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rsf2csf: Change first documentation line to active voice.
author Rik <octave@nomad.inbox5.com>
date Tue, 27 Jul 2010 10:46:11 -0700
parents 3140cb7a05a1
children 89f4d7e294cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
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eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
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4 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton
1
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5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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6 This file is part of Octave.
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7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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22 */
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23
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24 // Originally written by John C. Campbell <jcc@bevo.che.wisc.edu>
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25 //
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26 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
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27 // the following functions:
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28 //
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29 // popen
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30 // pclose
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31 // execute (now popen2.m)
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32 // sync_system (now merged with system)
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33 // async_system (now merged with system)
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34
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35 // Extensively revised by John W. Eaton <jwe@octave.org>,
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36 // April 1996.
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37
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38 #ifdef HAVE_CONFIG_H
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39 #include <config.h>
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40 #endif
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41
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42 #include <cerrno>
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43 #include <climits>
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44 #include <cstdio>
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45
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46 #include <iostream>
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47 #include <stack>
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48 #include <vector>
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49
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50 #include <sys/types.h>
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51 #include <unistd.h>
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52
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53 #ifdef HAVE_ZLIB_H
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54 #include <zlib.h>
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55 #endif
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56
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57 #include "error.h"
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58 #include "file-ops.h"
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59 #include "file-stat.h"
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60 #include "lo-ieee.h"
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61 #include "oct-env.h"
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62 #include "oct-locbuf.h"
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63
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64 #include "defun.h"
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65 #include "file-io.h"
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66 #include "load-path.h"
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67 #include "oct-fstrm.h"
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68 #include "oct-iostrm.h"
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69 #include "oct-map.h"
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70 #include "oct-obj.h"
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71 #include "oct-prcstrm.h"
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72 #include "oct-stream.h"
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73 #include "oct-strstrm.h"
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74 #include "pager.h"
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75 #include "sysdep.h"
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76 #include "utils.h"
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77 #include "variables.h"
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78
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79 static octave_value stdin_file;
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80 static octave_value stdout_file;
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81 static octave_value stderr_file;
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82
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83 static octave_stream stdin_stream;
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84 static octave_stream stdout_stream;
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85 static octave_stream stderr_stream;
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86
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87 void
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88 initialize_file_io (void)
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89 {
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90 stdin_stream = octave_istream::create (&std::cin, "stdin");
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91
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92 // This uses octave_stdout (see pager.h), not std::cout so that Octave's
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93 // standard output stream will pass through the pager.
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94
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95 stdout_stream = octave_ostream::create (&octave_stdout, "stdout");
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96
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97 stderr_stream = octave_ostream::create (&std::cerr, "stderr");
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98
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99 stdin_file = octave_stream_list::insert (stdin_stream);
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100 stdout_file = octave_stream_list::insert (stdout_stream);
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101 stderr_file = octave_stream_list::insert (stderr_stream);
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102 }
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103
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104 void
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105 close_files (void)
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106 {
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107 octave_stream_list::clear ();
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108 }
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109
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110 // List of files to delete when we exit or crash.
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111 //
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112 // FIXME -- this should really be static, but that causes
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113 // problems on some systems.
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114 std::stack <std::string> tmp_files;
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115
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116 void
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117 mark_for_deletion (const std::string& file)
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118 {
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119 tmp_files.push (file);
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120 }
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121
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122 void
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123 cleanup_tmp_files (void)
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124 {
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125 while (! tmp_files.empty ())
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126 {
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127 std::string filename = tmp_files.top ();
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128 tmp_files.pop ();
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129 gnulib::unlink (filename.c_str ());
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130 }
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131 }
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132
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133 static std::ios::openmode
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134 fopen_mode_to_ios_mode (const std::string& mode_arg)
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135 {
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136 std::ios::openmode retval = std::ios::in;
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137
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138 if (! mode_arg.empty ())
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139 {
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140 // Could probably be faster, but does it really matter?
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141
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142 std::string mode = mode_arg;
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143
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144 // 'W' and 'R' are accepted as 'w' and 'r', but we warn about
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145 // them because Matlab says they perform "automatic flushing"
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146 // but we don't know precisely what action that implies.
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147
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148 size_t pos = mode.find ('W');
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149
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150 if (pos != std::string::npos)
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151 {
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152 warning ("fopen: treating mode \"W\" as equivalent to \"w\"");
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
153 mode[pos] = 'w';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
154 }
7078
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
155
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
156 pos = mode.find ('R');
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
157
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
158 if (pos != std::string::npos)
10315
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parents: 10259
diff changeset
159 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
160 warning ("fopen: treating mode \"R\" as equivalent to \"r\"");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
161 mode[pos] = 'r';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
162 }
7078
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
163
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
164 pos = mode.find ('z');
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
165
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
166 if (pos != std::string::npos)
10315
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parents: 10259
diff changeset
167 {
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
168 #if defined (HAVE_ZLIB)
10315
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parents: 10259
diff changeset
169 mode.erase (pos, 1);
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
170 #else
10315
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John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
171 error ("this version of Octave does not support gzipped files");
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
172 #endif
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
173 }
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
174
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
175 if (! error_state)
10315
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John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
176 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
177 if (mode == "rt")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
178 retval = std::ios::in;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
179 else if (mode == "wt")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
180 retval = std::ios::out | std::ios::trunc;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
181 else if (mode == "at")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
182 retval = std::ios::out | std::ios::app;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
183 else if (mode == "r+t" || mode == "rt+")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
184 retval = std::ios::in | std::ios::out;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
185 else if (mode == "w+t" || mode == "wt+")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
186 retval = std::ios::in | std::ios::out | std::ios::trunc;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
187 else if (mode == "a+t" || mode == "at+")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
188 retval = std::ios::in | std::ios::out | std::ios::app;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
189 else if (mode == "rb" || mode == "r")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
190 retval = std::ios::in | std::ios::binary;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
191 else if (mode == "wb" || mode == "w")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
192 retval = std::ios::out | std::ios::trunc | std::ios::binary;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
193 else if (mode == "ab" || mode == "a")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
194 retval = std::ios::out | std::ios::app | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
195 else if (mode == "r+b" || mode == "rb+" || mode == "r+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
196 retval = std::ios::in | std::ios::out | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
197 else if (mode == "w+b" || mode == "wb+" || mode == "w+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
198 retval = (std::ios::in | std::ios::out | std::ios::trunc
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
199 | std::ios::binary);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
200 else if (mode == "a+b" || mode == "ab+" || mode == "a+")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
201 retval = (std::ios::in | std::ios::out | std::ios::app
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
202 | std::ios::binary);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
203 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
204 ::error ("invalid mode specified");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
205 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
206 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
207
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
208 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
209 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
210
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
211 DEFUN (fclose, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
212 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
213 @deftypefn {Built-in Function} {} fclose (@var{fid})\n\
4594
3a284f89aa41 [project @ 2003-11-12 02:27:28 by jwe]
jwe
parents: 4587
diff changeset
214 Closes the specified file. If successful, @code{fclose} returns 0,\n\
3a284f89aa41 [project @ 2003-11-12 02:27:28 by jwe]
jwe
parents: 4587
diff changeset
215 otherwise, it returns -1.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
216 @seealso{fopen, fseek, ftell}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
217 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
218 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
219 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
220
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
221 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
222
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
223 if (nargin == 1)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
224 retval = octave_stream_list::remove (args(0), "fclose");
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
225 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
226 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
227
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
228 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
229 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
230
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
231 DEFUN (fclear, args, ,
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
232 "-*- texinfo -*-\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
233 @deftypefn {Built-in Function} {} fclear (@var{fid})\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
234 Clear the stream state for the specified file.\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
235 @end deftypefn")
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
236 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
237 octave_value retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
238
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
239 int nargin = args.length ();
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
240
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
241 if (nargin == 1)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
242 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
243 int fid = octave_stream_list::get_file_number (args (0));
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
244
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
245 octave_stream os = octave_stream_list::lookup (fid, "fclear");
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
246
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
247 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
248 os.clearerr ();
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
249 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
250 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
251 print_usage ();
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
252
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
253 return retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
254 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
255
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
256 DEFUN (fflush, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
257 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
258 @deftypefn {Built-in Function} {} fflush (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
259 Flush output to @var{fid}. This is useful for ensuring that all\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
260 pending output makes it to the screen before some other event occurs.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
261 For example, it is always a good idea to flush the standard output\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
262 stream before calling @code{input}.\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
263 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
264 @code{fflush} returns 0 on success and an OS dependent error value\n\
10791
3140cb7a05a1 Add spellchecker scripts for Octave and run spellcheck of documentation
Rik <octave@nomad.inbox5.com>
parents: 10411
diff changeset
265 (@minus{}1 on Unix) on error.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
266 @seealso{fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
267 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
268 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
269 octave_value retval = -1;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
270
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
271 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
272
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
273 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
274 {
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5749
diff changeset
275 // FIXME -- any way to avoid special case for stdout?
2609
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
276
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
277 int fid = octave_stream_list::get_file_number (args (0));
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
278
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
279 if (fid == 1)
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
280 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
281 flush_octave_stdout ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
282
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
283 retval = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
284 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
285 else
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
286 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
287 octave_stream os = octave_stream_list::lookup (fid, "fflush");
2609
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
288
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
289 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
290 retval = os.flush ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
291 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
292 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
293 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
294 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
295
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
296 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
297 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
298
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
299 DEFUN (fgetl, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
300 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
301 @deftypefn {Built-in Function} {} fgetl (@var{fid}, @var{len})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
302 Read characters from a file, stopping after a newline, or EOF,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
303 or @var{len} characters have been read. The characters read, excluding\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
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304 the possible trailing newline, are returned as a string.\n\
1339
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305 \n\
3372
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306 If @var{len} is omitted, @code{fgetl} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
307 character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
308 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
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309 If there are no more characters to read, @code{fgetl} returns @minus{}1.\n\
5642
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310 @seealso{fread, fscanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
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parents: 5421
diff changeset
311 @end deftypefn")
1339
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312 {
4468
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313 static std::string who = "fgetl";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
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314
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315 octave_value_list retval;
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diff changeset
316
4233
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317 retval(1) = 0;
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
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318 retval(0) = -1;
1339
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319
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
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320 int nargin = args.length ();
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
jwe
parents: 1338
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321
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
jwe
parents: 1338
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322 if (nargin == 1 || nargin == 2)
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323 {
4468
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324 octave_stream os = octave_stream_list::lookup (args(0), who);
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parents: 1996
diff changeset
325
3341
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diff changeset
326 if (! error_state)
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327 {
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328 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
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329
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330 bool err = false;
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331
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332 std::string tmp = os.getl (len_arg, err, who);
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333
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334 if (! (error_state || err))
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335 {
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336 retval(1) = tmp.length ();
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337 retval(0) = tmp;
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338 }
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339 }
2095
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340 }
1339
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341 else
5823
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parents: 5775
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342 print_usage ();
1339
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
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343
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
jwe
parents: 1338
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344 return retval;
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
jwe
parents: 1338
diff changeset
345 }
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
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346
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347 DEFUN (fgets, args, ,
3372
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348 "-*- texinfo -*-\n\
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349 @deftypefn {Built-in Function} {} fgets (@var{fid}, @var{len})\n\
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350 Read characters from a file, stopping after a newline, or EOF,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
351 or @var{len} characters have been read. The characters read, including\n\
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352 the possible trailing newline, are returned as a string.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 506
diff changeset
353 \n\
3372
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parents: 3342
diff changeset
354 If @var{len} is omitted, @code{fgets} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
355 character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
356 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
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parents: 3342
diff changeset
357 If there are no more characters to read, @code{fgets} returns @minus{}1.\n\
7781
02a7fe6907d2 file-io.cc: added documentation
bill@denney.ws
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358 @seealso{fputs, fopen, fread, fscanf}\n\
5642
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parents: 5421
diff changeset
359 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 506
diff changeset
360 {
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361 static std::string who = "fgets";
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362
2599
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diff changeset
363 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
364
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
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diff changeset
365 retval(1) = 0.0;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
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366 retval(0) = -1.0;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 506
diff changeset
367
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
368 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
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parents: 506
diff changeset
369
1338
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parents: 1315
diff changeset
370 if (nargin == 1 || nargin == 2)
2095
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parents: 1996
diff changeset
371 {
4468
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parents: 4388
diff changeset
372 octave_stream os = octave_stream_list::lookup (args(0), who);
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
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parents: 1996
diff changeset
373
3341
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parents: 3340
diff changeset
374 if (! error_state)
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375 {
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diff changeset
376 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
377
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diff changeset
378 bool err = false;
2095
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diff changeset
379
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diff changeset
380 std::string tmp = os.gets (len_arg, err, who);
2095
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diff changeset
381
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diff changeset
382 if (! (error_state || err))
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diff changeset
383 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
384 retval(1) = tmp.length ();
57a59eae83cc untabify src C++ source files
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diff changeset
385 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
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diff changeset
386 }
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diff changeset
387 }
2095
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jwe
parents: 1996
diff changeset
388 }
1338
3d235e3c13c0 [project @ 1995-08-25 03:10:55 by jwe]
jwe
parents: 1315
diff changeset
389 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
390 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
391
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
392 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
393 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
394
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
395 DEFUN (fskipl, args, ,
531280b07625 implement fskipl
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parents: 9322
diff changeset
396 "-*- texinfo -*-\n\
531280b07625 implement fskipl
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parents: 9322
diff changeset
397 @deftypefn {Built-in Function} {} fskipl (@var{fid}, @var{count})\n\
9758
09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents: 9701
diff changeset
398 Skips a given number of lines, i.e., discards characters until an end-of-line\n\
9701
531280b07625 implement fskipl
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parents: 9322
diff changeset
399 is met exactly @var{count}-times, or end-of-file occurs.\n\
531280b07625 implement fskipl
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parents: 9322
diff changeset
400 Returns the number of lines skipped (end-of-line sequences encountered).\n\
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
401 If @var{count} is omitted, it defaults to 1. @var{count} may also be\n\
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
402 @code{Inf}, in which case lines are skipped to the end of file.\n\
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
403 This form is suitable for counting lines in a file.\n\
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
404 @seealso{fgetl, fgets}\n\
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
405 @end deftypefn")
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
406 {
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
407 static std::string who = "fskipl";
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
408
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
409 octave_value retval;
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
410
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
411 int nargin = args.length ();
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
412
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
413 if (nargin == 1 || nargin == 2)
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
414 {
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
415 octave_stream os = octave_stream_list::lookup (args(0), who);
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
416
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
417 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
418 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
419 octave_value count_arg = (nargin == 2) ? args(1) : octave_value ();
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
420
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
421 bool err = false;
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
422
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
423 long tmp = os.skipl (count_arg, err, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
424
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
425 if (! (error_state || err))
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
426 retval = tmp;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
427 }
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
428 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
429 else
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
430 print_usage ();
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
431
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
432 return retval;
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
433 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
434
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
435
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
436 static octave_stream
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
437 do_stream_open (const std::string& name, const std::string& mode,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
438 const std::string& arch, int& fid)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
439 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
440 octave_stream retval;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
441
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
442 fid = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
443
4036
1432e11733d1 [project @ 2002-08-12 18:38:40 by jwe]
jwe
parents: 4028
diff changeset
444 std::ios::openmode md = fopen_mode_to_ios_mode (mode);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
445
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
446 if (! error_state)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
447 {
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
448 oct_mach_info::float_format flt_fmt =
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
449 oct_mach_info::string_to_float_format (arch);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
450
4798
da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe]
jwe
parents: 4797
diff changeset
451 if (! error_state)
10315
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John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
452 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
453 std::string fname = file_ops::tilde_expand (name);
6159
645605133a6f [project @ 2006-11-14 02:55:05 by jwe]
jwe
parents: 6108
diff changeset
454
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
455 file_stat fs (fname);
7730
b68e44c90afe file-io.cc (do_stream_open): return -1 for directories
John W. Eaton <jwe@octave.org>
parents: 7708
diff changeset
456
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
457 if (! (md & std::ios::out
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
458 || octave_env::absolute_pathname (fname)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
459 || octave_env::rooted_relative_pathname (fname)))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
460 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
461 if (! fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
462 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
463 std::string tmp
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10197
diff changeset
464 = octave_env::make_absolute (load_path::find_file (fname));
6159
645605133a6f [project @ 2006-11-14 02:55:05 by jwe]
jwe
parents: 6108
diff changeset
465
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
466 if (! tmp.empty ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
467 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
468 warning_with_id ("Octave:fopen-file-in-path",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
469 "fopen: file found in load path");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
470 fname = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
471 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
472 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
473 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
474
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
475 if (! fs.is_dir ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
476 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
477 std::string tmode = mode;
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
478
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
479 // Use binary mode if 't' is not specified, but don't add
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
480 // 'b' if it is already present.
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
481
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
482 size_t bpos = tmode.find ('b');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
483 size_t tpos = tmode.find ('t');
7730
b68e44c90afe file-io.cc (do_stream_open): return -1 for directories
John W. Eaton <jwe@octave.org>
parents: 7708
diff changeset
484
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
485 if (bpos == std::string::npos && tpos == std::string::npos)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
486 tmode += 'b';
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
487
6905
aee959a21c4b [project @ 2007-09-17 16:00:30 by jwe]
jwe
parents: 6838
diff changeset
488 #if defined (HAVE_ZLIB)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
489 size_t pos = tmode.find ('z');
4798
da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe]
jwe
parents: 4797
diff changeset
490
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
491 if (pos != std::string::npos)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
492 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
493 tmode.erase (pos, 1);
7730
b68e44c90afe file-io.cc (do_stream_open): return -1 for directories
John W. Eaton <jwe@octave.org>
parents: 7708
diff changeset
494
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
495 gzFile fptr = ::gzopen (fname.c_str (), tmode.c_str ());
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
496
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
497 if (fptr)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
498 retval = octave_zstdiostream::create (fname, fptr, md, flt_fmt);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
499 else
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
500 retval.error (gnulib::strerror (errno));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
501 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
502 else
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
503 #endif
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
504 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
505 FILE *fptr = ::fopen (fname.c_str (), tmode.c_str ());
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
506
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
507 retval = octave_stdiostream::create (fname, fptr, md, flt_fmt);
5370
f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe]
jwe
parents: 5353
diff changeset
508
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
509 if (! fptr)
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
510 retval.error (gnulib::strerror (errno));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
511 }
7730
b68e44c90afe file-io.cc (do_stream_open): return -1 for directories
John W. Eaton <jwe@octave.org>
parents: 7708
diff changeset
512
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
513 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
514 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
515 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
516
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
517 return retval;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
518 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
519
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
520 static octave_stream
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
521 do_stream_open (const octave_value& tc_name, const octave_value& tc_mode,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
522 const octave_value& tc_arch, const char *fcn, int& fid)
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
523 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
524 octave_stream retval;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
525
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
526 fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
527
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
528 std::string name = tc_name.string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
529
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
530 if (! error_state)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
531 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
532 std::string mode = tc_mode.string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
533
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
534 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
535 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
536 std::string arch = tc_arch.string_value ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
537
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
538 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
539 retval = do_stream_open (name, mode, arch, fid);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
540 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
541 ::error ("%s: architecture type must be a string", fcn);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
542 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
543 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
544 ::error ("%s: file mode must be a string", fcn);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
545 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
546 else
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
547 ::error ("%s: file name must be a string", fcn);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
548
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
549 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
550 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
551
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
552 DEFUN (fopen, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
553 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
554 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} fopen (@var{name}, @var{mode}, @var{arch})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
555 @deftypefnx {Built-in Function} {@var{fid_list} =} fopen (\"all\")\n\
5353
df230b7df93c [project @ 2005-05-18 02:18:24 by jwe]
jwe
parents: 5333
diff changeset
556 @deftypefnx {Built-in Function} {[@var{file}, @var{mode}, @var{arch}] =} fopen (@var{fid})\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
557 The first form of the @code{fopen} function opens the named file with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
558 the specified mode (read-write, read-only, etc.) and architecture\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
559 interpretation (IEEE big endian, IEEE little endian, etc.), and returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
560 an integer value that may be used to refer to the file later. If an\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
561 error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
562 corresponding system error message. The @var{mode} is a one or two\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
563 character string that specifies whether the file is to be opened for\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
564 reading, writing, or both.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
565 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
566 The second form of the @code{fopen} function returns a vector of file ids\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
567 corresponding to all the currently open files, excluding the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
568 @code{stdin}, @code{stdout}, and @code{stderr} streams.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
569 \n\
5353
df230b7df93c [project @ 2005-05-18 02:18:24 by jwe]
jwe
parents: 5333
diff changeset
570 The third form of the @code{fopen} function returns information about the\n\
df230b7df93c [project @ 2005-05-18 02:18:24 by jwe]
jwe
parents: 5333
diff changeset
571 open file given its file id.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
572 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
573 For example,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
574 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
575 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
576 myfile = fopen (\"splat.dat\", \"r\", \"ieee-le\");\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
577 @end example\n\
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
578 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
579 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
580 opens the file @file{splat.dat} for reading. If necessary, binary\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
581 numeric values will be read assuming they are stored in IEEE format with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
582 the least significant bit first, and then converted to the native\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
583 representation.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
584 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
585 Opening a file that is already open simply opens it again and returns a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
586 separate file id. It is not an error to open a file several times,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
587 though writing to the same file through several different file ids may\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
588 produce unexpected results.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
589 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
590 The possible values @samp{mode} may have are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
591 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
592 @table @asis\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
593 @item @samp{r}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
594 Open a file for reading.\n\
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
595 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
596 @item @samp{w}\n\
7001
8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe]
jwe
parents: 6905
diff changeset
597 Open a file for writing. The previous contents are discarded.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
598 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
599 @item @samp{a}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
600 Open or create a file for writing at the end of the file.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
601 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
602 @item @samp{r+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
603 Open an existing file for reading and writing.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
604 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
605 @item @samp{w+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
606 Open a file for reading or writing. The previous contents are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
607 discarded.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
608 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
609 @item @samp{a+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
610 Open or create a file for reading or writing at the end of the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
611 file.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
612 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
613 \n\
4865
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
614 Append a \"t\" to the mode string to open the file in text mode or a\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
615 \"b\" to open in binary mode. On Windows and Macintosh systems, text\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
616 mode reading and writing automatically converts linefeeds to the\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
617 appropriate line end character for the system (carriage-return linefeed\n\
6665
cfb849d6f314 [project @ 2007-05-28 05:45:32 by jwe]
jwe
parents: 6483
diff changeset
618 on Windows, carriage-return on Macintosh). The default if no mode is\n\
4865
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
619 specified is binary mode.\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
620 \n\
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
621 Additionally, you may append a \"z\" to the mode string to open a\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
622 gzipped file for reading or writing. For this to be successful, you\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
623 must also open the file in binary mode.\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
624 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
625 The parameter @var{arch} is a string specifying the default data format\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
626 for the file. Valid values for @var{arch} are:\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
627 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
628 @table @asis\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
629 @samp{native}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
630 The format of the current machine (this is the default).\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
631 \n\
4082
b8bae1ba4651 [project @ 2002-10-01 18:10:05 by jwe]
jwe
parents: 4070
diff changeset
632 @samp{ieee-be}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
633 IEEE big endian format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
634 \n\
4082
b8bae1ba4651 [project @ 2002-10-01 18:10:05 by jwe]
jwe
parents: 4070
diff changeset
635 @samp{ieee-le}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
636 IEEE little endian format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
637 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
638 @samp{vaxd}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
639 VAX D floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
640 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
641 @samp{vaxg}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
642 VAX G floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
643 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
644 @samp{cray}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
645 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
646 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
647 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
648 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
649 however, conversions are currently only supported for @samp{native}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
650 @samp{ieee-be}, and @samp{ieee-le} formats.\n\
7781
02a7fe6907d2 file-io.cc: added documentation
bill@denney.ws
parents: 7768
diff changeset
651 @seealso{fclose, fgets, fputs, fread, fseek, ferror, fprintf, fscanf, ftell, fwrite}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
652 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
653 {
2599
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
654 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
655
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
656 retval(0) = -1.0;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
657
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
658 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
659
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
660 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
661 {
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
662 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
663 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
664 // If there is only one argument and it is a string but it
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
665 // is not the string "all", we assume it is a file to open
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
666 // with MODE = "r". To open a file called "all", you have
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
667 // to supply more than one argument.
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
668
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
669 if (args(0).string_value () == "all")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
670 return octave_stream_list::open_file_numbers ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
671 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
672 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
673 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
674 string_vector tmp = octave_stream_list::get_info (args(0));
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
675
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
676 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
677 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
678 retval(2) = tmp(2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
679 retval(1) = tmp(1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
680 retval(0) = tmp(0);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
681 }
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
682
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
683 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
684 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
685 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
686
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
687 if (nargin > 0 && nargin < 4)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
688 {
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
689 octave_value mode = (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
690 ? args(1) : octave_value ("r");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
691
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
692 octave_value arch = (nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
693 ? args(2) : octave_value ("native");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
694
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
695 int fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
696
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
697 octave_stream os = do_stream_open (args(0), mode, arch, "fopen", fid);
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
698
5370
f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe]
jwe
parents: 5353
diff changeset
699 if (os && ! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
700 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
701 retval(1) = "";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
702 retval(0) = octave_stream_list::insert (os);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
703 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
704 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
705 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
706 int error_number = 0;
5370
f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe]
jwe
parents: 5353
diff changeset
707
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
708 retval(1) = os.error (false, error_number);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
709 retval(0) = -1.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
710 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
711 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
712 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
713 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
714
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
715 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
716 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
717
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
718 DEFUN (freport, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
719 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
720 @deftypefn {Built-in Function} {} freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
721 Print a list of which files have been opened, and whether they are open\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
722 for reading, writing, or both. For example,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
723 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
724 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
725 @group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
726 freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
727 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
728 @print{} number mode name\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
729 @print{} \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
730 @print{} 0 r stdin\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
731 @print{} 1 w stdout\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
732 @print{} 2 w stderr\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
733 @print{} 3 r myfile\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
734 @end group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
735 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
736 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
737 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
738 octave_value_list retval;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
739
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
740 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
741
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
742 if (nargin > 0)
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
743 warning ("freport: ignoring extra arguments");
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
744
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
745 octave_stdout << octave_stream_list::list_open_files ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
746
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
747 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
748 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
749
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
750 DEFUN (frewind, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
751 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
752 @deftypefn {Built-in Function} {} frewind (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
753 Move the file pointer to the beginning of the file @var{fid}, returning\n\
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
754 0 for success, and -1 if an error was encountered. It is equivalent to\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
755 @code{fseek (@var{fid}, 0, SEEK_SET)}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
756 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
757 {
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
758 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
759
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
760 int result = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
761
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
762 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
763
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
764 if (nargin == 1)
1086
75fc98220389 [project @ 1995-01-31 04:17:15 by jwe]
jwe
parents: 1049
diff changeset
765 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
766 octave_stream os = octave_stream_list::lookup (args(0), "frewind");
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
767
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
768 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
769 result = os.rewind ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
770 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
771 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
772 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
773
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
774 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
775 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
776
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
777 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
778 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
779
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
780 DEFUN (fseek, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
781 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
782 @deftypefn {Built-in Function} {} fseek (@var{fid}, @var{offset}, @var{origin})\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
783 Set the file pointer to any location within the file @var{fid}.\n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
784 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
785 The pointer is positioned @var{offset} characters from the @var{origin},\n\
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9039
diff changeset
786 which may be one of the predefined variables @w{@code{SEEK_CUR}} (current\n\
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9039
diff changeset
787 position), @w{@code{SEEK_SET}} (beginning), or @w{@code{SEEK_END}} (end of\n\
9039
51dc9691f23f Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
788 file) or strings \"cof\", \"bof\" or \"eof\". If @var{origin} is omitted,\n\
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9039
diff changeset
789 @w{@code{SEEK_SET}} is assumed. The offset must be zero, or a value returned\n\
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9039
diff changeset
790 by @code{ftell} (in which case @var{origin} must be @w{@code{SEEK_SET}}).\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
791 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
792 Return 0 on success and -1 on error.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
793 @seealso{ftell, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
794 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
795 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
796 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
797
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
798 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
799
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
800 if (nargin == 2 || nargin == 3)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
801 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
802 octave_stream os = octave_stream_list::lookup (args(0), "fseek");
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
803
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
804 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
805 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
806 octave_value origin_arg = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
807 ? args(2) : octave_value (-1.0);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
808
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
809 retval = os.seek (args(1), origin_arg);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
810 }
368
5c987c27f3d7 [project @ 1994-02-16 08:33:09 by jwe]
jwe
parents: 367
diff changeset
811 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
812 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
813 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
814
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
815 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
816 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
817
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
818 DEFUN (ftell, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
819 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
820 @deftypefn {Built-in Function} {} ftell (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
821 Return the position of the file pointer as the number of characters\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
822 from the beginning of the file @var{fid}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
823 @seealso{fseek, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
824 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
825 {
4797
19b8225bdaa2 [project @ 2004-02-23 22:10:31 by jwe]
jwe
parents: 4726
diff changeset
826 octave_value retval = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
827
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
828 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
829
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
830 if (nargin == 1)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
831 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
832 octave_stream os = octave_stream_list::lookup (args(0), "ftell");
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
833
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
834 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
835 retval = os.tell ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
836 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
837 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
838 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
839
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
840 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
841 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
842
3737
b736f8b8f0a1 [project @ 2000-11-16 18:01:08 by jwe]
jwe
parents: 3569
diff changeset
843 DEFUN (fprintf, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
844 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
845 @deftypefn {Built-in Function} {} fprintf (@var{fid}, @var{template}, @dots{})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
846 This function is just like @code{printf}, except that the output is\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
847 written to the stream @var{fid} instead of @code{stdout}.\n\
8606
0611b48a2b61 file-io.cc (Ffprintf): doc fix
John W. Eaton <jwe@octave.org>
parents: 8377
diff changeset
848 If @var{fid} is omitted, the output is written to @code{stdout}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
849 @seealso{printf, sprintf, fread, fscanf, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
850 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
851 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
852 static std::string who = "fprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
853
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
854 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
855
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
856 int result = -1;
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
857
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
858 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
859
2875
2e45e7a3d45e [project @ 1997-04-24 08:56:20 by jwe]
jwe
parents: 2873
diff changeset
860 if (nargin > 1 || (nargin > 0 && args(0).is_string ()))
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
861 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
862 octave_stream os;
2873
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
863 int fmt_n = 0;
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
864
3737
b736f8b8f0a1 [project @ 2000-11-16 18:01:08 by jwe]
jwe
parents: 3569
diff changeset
865 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
866 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
867 os = octave_stream_list::lookup (1, who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
868 }
2873
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
869 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
870 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
871 fmt_n = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
872 os = octave_stream_list::lookup (args(0), who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
873 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
874
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
875 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
876 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
877 if (args(fmt_n).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
878 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
879 octave_value_list tmp_args;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
880
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
881 if (nargin > 1 + fmt_n)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
882 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
883 tmp_args.resize (nargin-fmt_n-1, octave_value ());
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
884
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
885 for (int i = fmt_n + 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
886 tmp_args(i-fmt_n-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
887 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
888
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
889 result = os.printf (args(fmt_n), tmp_args, who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
890 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
891 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
892 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
893 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
894 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
895 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
896 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
897
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
898 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
899 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
900
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
901 return retval;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
902 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
903
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
904 DEFUN (printf, args, nargout,
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
905 "-*- texinfo -*-\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
906 @deftypefn {Built-in Function} {} printf (@var{template}, @dots{})\n\
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
907 Print optional arguments under the control of the template string\n\
5653
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
908 @var{template} to the stream @code{stdout} and return the number of\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
909 characters printed.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
910 @ifclear OCTAVE_MANUAL\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
911 \n\
5653
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
912 See the Formatted Output section of the GNU Octave manual for a\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
913 complete description of the syntax of the template string.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
914 @end ifclear\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
915 @seealso{fprintf, sprintf, scanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
916 @end deftypefn")
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
917 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
918 static std::string who = "printf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
919
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
920 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
921
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
922 int result = -1;
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
923
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
924 int nargin = args.length ();
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
925
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
926 if (nargin > 0)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
927 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
928 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
929 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
930 octave_value_list tmp_args;
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
931
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
932 if (nargin > 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
933 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
934 tmp_args.resize (nargin-1, octave_value ());
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
935
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
936 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
937 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
938 }
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
939
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
940 result = stdout_stream.printf (args(0), tmp_args, who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
941 }
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
942 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
943 ::error ("%s: format must be a string", who.c_str ());
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
944 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
945 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
946 print_usage ();
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
947
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
948 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
949 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
950
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
951 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
952 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
953
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
954 DEFUN (fputs, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
955 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
956 @deftypefn {Built-in Function} {} fputs (@var{fid}, @var{string})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
957 Write a string to a file with no formatting.\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
958 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
959 Return a non-negative number on success and EOF on error.\n\
7781
02a7fe6907d2 file-io.cc: added documentation
bill@denney.ws
parents: 7768
diff changeset
960 @seealso{scanf, sscanf, fread, fprintf, fgets, fscanf}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
961 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
962 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
963 static std::string who = "fputs";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
964
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
965 octave_value retval = -1;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
966
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
967 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
968
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
969 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
970 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
971 octave_stream os = octave_stream_list::lookup (args(0), who);
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
972
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
973 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
974 retval = os.puts (args(1), who);
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
975 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
976 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
977 print_usage ();
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
978
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
979 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
980 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
981
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
982 DEFUN (puts, args, ,
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
983 "-*- texinfo -*-\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
984 @deftypefn {Built-in Function} {} puts (@var{string})\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
985 Write a string to the standard output with no formatting.\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
986 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
987 Return a non-negative number on success and EOF on error.\n\
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
988 @end deftypefn")
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
989 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
990 static std::string who = "puts";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
991
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
992 octave_value retval = -1;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
993
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
994 if (args.length () == 1)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
995 retval = stdout_stream.puts (args(0), who);
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
996 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
997 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
998
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
999 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1000 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1001
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1002 DEFUN (sprintf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1003 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1004 @deftypefn {Built-in Function} {} sprintf (@var{template}, @dots{})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1005 This is like @code{printf}, except that the output is returned as a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1006 string. Unlike the C library function, which requires you to provide a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1007 suitably sized string as an argument, Octave's @code{sprintf} function\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1008 returns the string, automatically sized to hold all of the items\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1009 converted.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1010 @seealso{printf, fprintf, sscanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1011 @end deftypefn")
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1012 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1013 static std::string who = "sprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1014
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1015 octave_value_list retval;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1016
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1017 int nargin = args.length ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1018
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1019 if (nargin > 0)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1020 {
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1021 retval(2) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1022 retval(1) = "unknown error";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1023 retval(0) = "";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1024
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1025 octave_ostrstream *ostr = new octave_ostrstream ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1026
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1027 octave_stream os (ostr);
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 610
diff changeset
1028
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1029 if (os.is_valid ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1030 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1031 octave_value fmt_arg = args(0);
6007
52b520087c50 [project @ 2006-09-27 15:05:53 by jwe]
jwe
parents: 5906
diff changeset
1032
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1033 if (fmt_arg.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1034 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1035 octave_value_list tmp_args;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1036
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1037 if (nargin > 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1038 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1039 tmp_args.resize (nargin-1, octave_value ());
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1040
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1041 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1042 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1043 }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 610
diff changeset
1044
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1045 retval(2) = os.printf (fmt_arg, tmp_args, who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1046 retval(1) = os.error ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1047 retval(0) = octave_value (ostr->str (),
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1048 fmt_arg.is_sq_string () ? '\'' : '"');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1049 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1050 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1051 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1052 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1053 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1054 ::error ("%s: unable to create output buffer", who.c_str ());
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1055 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1056 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1057 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1058
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1059 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1060 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1061
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1062 DEFUN (fscanf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1063 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1064 @deftypefn {Built-in Function} {[@var{val}, @var{count}] =} fscanf (@var{fid}, @var{template}, @var{size})\n\
7650
eb7bdde776f2 Texinfo fixes
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
1065 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}] =} fscanf (@var{fid}, @var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1066 In the first form, read from @var{fid} according to @var{template},\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1067 returning the result in the matrix @var{val}.\n\
2122
91d802f77456 [project @ 1996-05-12 07:08:38 by jwe]
jwe
parents: 2116
diff changeset
1068 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1069 The optional argument @var{size} specifies the amount of data to read\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1070 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1071 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1072 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1073 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1074 Read as much as possible, returning a column vector.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1075 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1076 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1077 Read up to @var{nr} elements, returning a column vector.\n\
2122
91d802f77456 [project @ 1996-05-12 07:08:38 by jwe]
jwe
parents: 2116
diff changeset
1078 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1079 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1080 Read as much as possible, returning a matrix with @var{nr} rows. If the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1081 number of elements read is not an exact multiple of @var{nr}, the last\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1082 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1083 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1084 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1085 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1086 @var{nr} rows. If the number of elements read is not an exact multiple\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1087 of @var{nr}, the last column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1088 @end table\n\
2122
91d802f77456 [project @ 1996-05-12 07:08:38 by jwe]
jwe
parents: 2116
diff changeset
1089 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1090 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1091 If @var{size} is omitted, a value of @code{Inf} is assumed.\n\
2122
91d802f77456 [project @ 1996-05-12 07:08:38 by jwe]
jwe
parents: 2116
diff changeset
1092 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1093 A string is returned if @var{template} specifies only character\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1094 conversions.\n\
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1095 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1096 The number of items successfully read is returned in @var{count}.\n\
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1097 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1098 In the second form, read from @var{fid} according to @var{template},\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1099 with each conversion specifier in @var{template} corresponding to a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1100 single scalar return value. This form is more `C-like', and also\n\
3491
2c7524ffdbf5 [project @ 2000-01-28 22:44:13 by jwe]
jwe
parents: 3458
diff changeset
1101 compatible with previous versions of Octave. The number of successful\n\
2c7524ffdbf5 [project @ 2000-01-28 22:44:13 by jwe]
jwe
parents: 3458
diff changeset
1102 conversions is returned in @var{count}\n\
5653
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
1103 @ifclear OCTAVE_MANUAL\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
1104 \n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
1105 See the Formatted Input section of the GNU Octave manual for a\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
1106 complete description of the syntax of the template string.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
1107 @end ifclear\n\
7781
02a7fe6907d2 file-io.cc: added documentation
bill@denney.ws
parents: 7768
diff changeset
1108 @seealso{scanf, sscanf, fread, fprintf, fgets, fputs}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1109 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1110 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1111 static std::string who = "fscanf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1112
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1113 octave_value_list retval;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1114
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1115 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1116
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1117 if (nargin == 3 && args(2).is_string ())
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1118 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1119 octave_stream os = octave_stream_list::lookup (args(0), who);
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1120
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1121 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1122 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1123 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1124 retval = os.oscanf (args(1), who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1125 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1126 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1127 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1128 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1129 else
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1130 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1131 retval (1) = 0.0;
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1132 retval (0) = Matrix ();
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1133
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1134 if (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1135 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1136 octave_stream os = octave_stream_list::lookup (args(0), who);
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1137
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1138 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1139 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1140 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1141 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1142 octave_idx_type count = 0;
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1143
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1144 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1145 ? args(2).vector_value ()
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
1146 : Array<double> (1, 1, lo_ieee_inf_value ());
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1147
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1148 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1149 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1150 octave_value tmp = os.scanf (args(1), size, count, who);
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1151
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1152 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1153 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1154 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1155 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1156 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1157 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1158 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1159 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1160 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1161 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1162 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1163 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1164 print_usage ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1165 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1166
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1167 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1168 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1169
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1170 DEFUN (sscanf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1171 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1172 @deftypefn {Built-in Function} {[@var{val}, @var{count}] =} sscanf (@var{string}, @var{template}, @var{size})\n\
7650
eb7bdde776f2 Texinfo fixes
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
1173 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}] =} sscanf (@var{string}, @var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1174 This is like @code{fscanf}, except that the characters are taken from the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1175 string @var{string} instead of from a stream. Reaching the end of the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1176 string is treated as an end-of-file condition.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1177 @seealso{fscanf, scanf, sprintf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1178 @end deftypefn")
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1179 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1180 static std::string who = "sscanf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1181
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1182 octave_value_list retval;
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1183
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
1184 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
1185
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1186 if (nargin == 3 && args(2).is_string ())
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1187 {
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1188 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1189 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1190 std::string data = args(0).string_value ();
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1191
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1192 octave_stream os = octave_istrstream::create (data);
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
1193
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1194 if (os.is_valid ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1195 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1196 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1197 retval = os.oscanf (args(1), who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1198 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1199 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1200 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1201 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1202 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1203 who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1204 }
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
1205 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1206 ::error ("%s: first argument must be a string", who.c_str ());
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1207 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1208 else
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1209 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1210 if (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1211 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1212 retval(3) = -1.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1213 retval(2) = "unknown error";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1214 retval(1) = 0.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1215 retval(0) = Matrix ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1216
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1217 if (args(0).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1218 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1219 std::string data = args(0).string_value ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1220
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1221 octave_stream os = octave_istrstream::create (data);
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1222
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1223 if (os.is_valid ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1224 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1225 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1226 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1227 octave_idx_type count = 0;
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1228
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1229 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1230 ? args(2).vector_value ()
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
1231 : Array<double> (1, 1, lo_ieee_inf_value ());
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1232
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1233 octave_value tmp = os.scanf (args(1), size, count, who);
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1234
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1235 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1236 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1237 // FIXME -- is this the right thing to do?
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1238 // Extract error message first, because getting
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1239 // position will clear it.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1240 std::string errmsg = os.error ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1241
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1242 retval(3) = os.tell () + 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1243 retval(2) = errmsg;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1244 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1245 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1246 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1247 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1248 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1249 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1250 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1251 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1252 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1253 who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1254 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1255 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1256 ::error ("%s: first argument must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1257 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1258 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1259 print_usage ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1260 }
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1261
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1262 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1263 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1264
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1265 DEFUN (scanf, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1266 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1267 @deftypefn {Built-in Function} {[@var{val}, @var{count}] =} scanf (@var{template}, @var{size})\n\
7650
eb7bdde776f2 Texinfo fixes
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
1268 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}]] =} scanf (@var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1269 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1270 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1271 It is currently not useful to call @code{scanf} in interactive\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1272 programs.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1273 @seealso{fscanf, sscanf, printf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1274 @end deftypefn")
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1275 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1276 int nargin = args.length ();
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1277
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1278 octave_value_list tmp_args (nargin+1, octave_value ());
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1279
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1280 tmp_args (0) = 0.0;
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1281 for (int i = 0; i < nargin; i++)
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1282 tmp_args (i+1) = args (i);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1283
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1284 return Ffscanf (tmp_args, nargout);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1285 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1286
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1287 static octave_value
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1288 do_fread (octave_stream& os, const octave_value& size_arg,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1289 const octave_value& prec_arg, const octave_value& skip_arg,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1290 const octave_value& arch_arg, octave_idx_type& count)
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1291 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1292 octave_value retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1293
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1294 count = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1295
3810
f19f00339363 [project @ 2001-03-29 21:03:01 by jwe]
jwe
parents: 3775
diff changeset
1296 Array<double> size = size_arg.vector_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1297
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1298 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1299 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1300 std::string prec = prec_arg.string_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1301
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1302 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1303 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1304 int block_size = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1305 oct_data_conv::data_type input_type;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1306 oct_data_conv::data_type output_type;
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1307
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1308 oct_data_conv::string_to_data_type (prec, block_size,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1309 input_type, output_type);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1310
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1311 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1312 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1313 int skip = skip_arg.int_value (true);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1314
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1315 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1316 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1317 std::string arch = arch_arg.string_value ();
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1318
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1319 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1320 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1321 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1322 = oct_mach_info::string_to_float_format (arch);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1323
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1324 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1325 retval = os.read (size, block_size, input_type,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1326 output_type, skip, flt_fmt, count);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1327 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1328 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1329 ::error ("fread: architecture type must be a string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1330 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1331 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1332 ::error ("fread: skip must be an integer");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1333 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1334 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1335 ::error ("fread: invalid data type specified");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1336 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1337 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1338 ::error ("fread: precision must be a string");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1339 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1340 else
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1341 ::error ("fread: invalid size specified");
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1342
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1343 return retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1344 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1345
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1346 DEFUN (fread, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1347 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1348 @deftypefn {Built-in Function} {[@var{val}, @var{count}] =} fread (@var{fid}, @var{size}, @var{precision}, @var{skip}, @var{arch})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1349 Read binary data of type @var{precision} from the specified file ID\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1350 @var{fid}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1351 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1352 The optional argument @var{size} specifies the amount of data to read\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1353 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1354 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1355 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1356 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1357 Read as much as possible, returning a column vector.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1358 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1359 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1360 Read up to @var{nr} elements, returning a column vector.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1361 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1362 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1363 Read as much as possible, returning a matrix with @var{nr} rows. If the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1364 number of elements read is not an exact multiple of @var{nr}, the last\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1365 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1366 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1367 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1368 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1369 @var{nr} rows. If the number of elements read is not an exact multiple\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1370 of @var{nr}, the last column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1371 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1372 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1373 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1374 If @var{size} is omitted, a value of @code{Inf} is assumed.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1375 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1376 The optional argument @var{precision} is a string specifying the type of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1377 data to read and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1378 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1379 @table @code\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1380 @item \"schar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1381 @itemx \"signed char\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1382 Signed character.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1383 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1384 @item \"uchar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1385 @itemx \"unsigned char\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1386 Unsigned character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1387 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1388 @item \"int8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1389 @itemx \"integer*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1390 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1391 8-bit signed integer.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1392 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1393 @item \"int16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1394 @itemx \"integer*2\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1395 16-bit signed integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1396 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1397 @item \"int32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1398 @itemx \"integer*4\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1399 32-bit signed integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1400 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1401 @item \"int64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1402 @itemx \"integer*8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1403 64-bit signed integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1404 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1405 @item \"uint8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1406 8-bit unsigned integer.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1407 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1408 @item \"uint16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1409 16-bit unsigned integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1410 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1411 @item \"uint32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1412 32-bit unsigned integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1413 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1414 @item \"uint64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1415 64-bit unsigned integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1416 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1417 @item \"single\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1418 @itemx \"float32\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1419 @itemx \"real*4\"\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1420 32-bit floating point number.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1421 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1422 @item \"double\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1423 @itemx \"float64\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1424 @itemx \"real*8\"\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1425 64-bit floating point number.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1426 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1427 @item \"char\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1428 @itemx \"char*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1429 Single character.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1430 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1431 @item \"short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1432 Short integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1433 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1434 @item \"int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1435 Integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1436 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1437 @item \"long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1438 Long integer (size is platform dependent).\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1439 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1440 @item \"ushort\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1441 @itemx \"unsigned short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1442 Unsigned short integer (size is platform dependent).\n\
4610
02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe]
jwe
parents: 4594
diff changeset
1443 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1444 @item \"uint\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1445 @itemx \"unsigned int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1446 Unsigned integer (size is platform dependent).\n\
4610
02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe]
jwe
parents: 4594
diff changeset
1447 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1448 @item \"ulong\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1449 @itemx \"unsigned long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1450 Unsigned long integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1451 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1452 @item \"float\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1453 Single precision floating point number (size is platform dependent).\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1454 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1455 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1456 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1457 The default precision is @code{\"uchar\"}.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1458 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1459 The @var{precision} argument may also specify an optional repeat\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1460 count. For example, @samp{32*single} causes @code{fread} to read\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1461 a block of 32 single precision floating point numbers. Reading in\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1462 blocks is useful in combination with the @var{skip} argument.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1463 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1464 The @var{precision} argument may also specify a type conversion.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1465 For example, @samp{int16=>int32} causes @code{fread} to read 16-bit\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1466 integer values and return an array of 32-bit integer values. By\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1467 default, @code{fread} returns a double precision array. The special\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1468 form @samp{*TYPE} is shorthand for @samp{TYPE=>TYPE}.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1469 \n\
7096
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1470 The conversion and repeat counts may be combined. For example, the\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1471 specification @samp{32*single=>single} causes @code{fread} to read\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1472 blocks of single precision floating point values and return an array\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1473 of single precision values instead of the default array of double\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1474 precision values.\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1475 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1476 The optional argument @var{skip} specifies the number of bytes to skip\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1477 after each element (or block of elements) is read. If it is not\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1478 specified, a value of 0 is assumed. If the final block read is not\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1479 complete, the final skip is omitted. For example,\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1480 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1481 @example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1482 fread (f, 10, \"3*single=>single\", 8)\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1483 @end example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1484 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1485 @noindent\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1486 will omit the final 8-byte skip because the last read will not be\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1487 a complete block of 3 values.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1488 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1489 The optional argument @var{arch} is a string specifying the data format\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1490 for the file. Valid values are\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1491 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1492 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1493 @item \"native\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1494 The format of the current machine.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1495 \n\
4546
a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe]
jwe
parents: 4537
diff changeset
1496 @item \"ieee-be\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1497 IEEE big endian.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1498 \n\
4546
a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe]
jwe
parents: 4537
diff changeset
1499 @item \"ieee-le\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1500 IEEE little endian.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1501 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1502 @item \"vaxd\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1503 VAX D floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1504 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1505 @item \"vaxg\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1506 VAX G floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1507 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1508 @item \"cray\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1509 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1510 @end table\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1511 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1512 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1513 Conversions are currently only supported for @code{\"ieee-be\"} and\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1514 @code{\"ieee-le\"} formats.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1515 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1516 The data read from the file is returned in @var{val}, and the number of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1517 values read is returned in @code{count}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1518 @seealso{fwrite, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1519 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1520 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1521 octave_value_list retval;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1522
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1523 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1524
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1525 if (nargin > 0 && nargin < 6)
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1526 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1527 retval(1) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1528 retval(0) = Matrix ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1529
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1530 octave_stream os = octave_stream_list::lookup (args(0), "fread");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1531
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1532 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1533 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1534 octave_value size = lo_ieee_inf_value ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1535 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1536 octave_value skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1537 octave_value arch = "unknown";
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1538
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1539 int idx = 1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1540
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1541 if (nargin > idx && ! args(idx).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1542 size = args(idx++);
4257
e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe]
jwe
parents: 4254
diff changeset
1543
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1544 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1545 prec = args(idx++);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1546
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1547 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1548 skip = args(idx++);
4257
e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe]
jwe
parents: 4254
diff changeset
1549
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1550 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1551 arch = args(idx++);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1552 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1553 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1554 arch = skip;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1555 skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1556 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1557
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1558 octave_idx_type count = -1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1559
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1560 octave_value tmp = do_fread (os, size, prec, skip, arch, count);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1561
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1562 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1563 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1564 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1565 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1566 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1567 print_usage ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1568
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1569 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1570 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1571
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1572 static int
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1573 do_fwrite (octave_stream& os, const octave_value& data,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1574 const octave_value& prec_arg, const octave_value& skip_arg,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1575 const octave_value& arch_arg)
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1576 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1577 int retval = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1578
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1579 std::string prec = prec_arg.string_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1580
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1581 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1582 {
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1583 int block_size = 1;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1584 oct_data_conv::data_type output_type;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1585
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1586 oct_data_conv::string_to_data_type (prec, block_size, output_type);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1587
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1588 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1589 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1590 int skip = skip_arg.int_value (true);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1591
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1592 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1593 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1594 std::string arch = arch_arg.string_value ();
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1595
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1596 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1597 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1598 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1599 = oct_mach_info::string_to_float_format (arch);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1600
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1601 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1602 retval = os.write (data, block_size, output_type,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1603 skip, flt_fmt);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1604 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1605 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1606 ::error ("fwrite: architecture type must be a string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1607 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1608 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1609 ::error ("fwrite: skip must be an integer");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1610 }
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1611 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1612 ::error ("fwrite: invalid precision specified");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1613 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1614 else
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1615 ::error ("fwrite: precision must be a string");
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1616
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1617 return retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1618 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1619
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1620 DEFUN (fwrite, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1621 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1622 @deftypefn {Built-in Function} {@var{count} =} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}, @var{arch})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1623 Write data in binary form of type @var{precision} to the specified file\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1624 ID @var{fid}, returning the number of values successfully written to the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1625 file.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1626 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1627 The argument @var{data} is a matrix of values that are to be written to\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1628 the file. The values are extracted in column-major order.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1629 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1630 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1631 optional, and are interpreted as described for @code{fread}.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1632 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1633 The behavior of @code{fwrite} is undefined if the values in @var{data}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1634 are too large to fit in the specified precision.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1635 @seealso{fread, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1636 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1637 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1638 octave_value retval = -1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1639
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1640 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1641
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1642 if (nargin > 1 && nargin < 6)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1643 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1644 octave_stream os = octave_stream_list::lookup (args(0), "fwrite");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1645
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1646 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1647 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1648 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1649 octave_value skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1650 octave_value arch = "unknown";
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1651
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1652 int idx = 1;
7708
b42abee70a98 fread, fwrite: allow SKIP arg to be omitted
John W. Eaton <jwe@octave.org>
parents: 7650
diff changeset
1653
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1654 octave_value data = args(idx++);
7708
b42abee70a98 fread, fwrite: allow SKIP arg to be omitted
John W. Eaton <jwe@octave.org>
parents: 7650
diff changeset
1655
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1656 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1657 prec = args(idx++);
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1658
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1659 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1660 skip = args(idx++);
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1661
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1662 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1663 arch = args(idx++);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1664 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1665 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1666 arch = skip;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1667 skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1668 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1669
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1670 double status = do_fwrite (os, data, prec, skip, arch);
2825
60ae49e1284f [project @ 1997-03-25 23:17:36 by jwe]
jwe
parents: 2802
diff changeset
1671
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1672 retval = status;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1673 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1674 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1675 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1676 print_usage ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1677
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1678 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1679 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1680
5906
bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe]
jwe
parents: 5823
diff changeset
1681 DEFUNX ("feof", Ffeof, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1682 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1683 @deftypefn {Built-in Function} {} feof (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1684 Return 1 if an end-of-file condition has been encountered for a given\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1685 file and 0 otherwise. Note that it will only return 1 if the end of the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1686 file has already been encountered, not if the next read operation will\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1687 result in an end-of-file condition.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1688 @seealso{fread, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1689 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1690 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1691 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1692
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1693 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1694
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1695 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1696 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1697 octave_stream os = octave_stream_list::lookup (args(0), "feof");
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1698
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1699 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1700 retval = os.eof () ? 1.0 : 0.0;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1701 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1702 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1703 print_usage ();
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1704
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1705 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1706 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1707
5906
bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe]
jwe
parents: 5823
diff changeset
1708 DEFUNX ("ferror", Fferror, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1709 "-*- texinfo -*-\n\
9797
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1710 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} ferror (@var{fid}, \"clear\")\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1711 Return 1 if an error condition has been encountered for the file ID\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1712 @var{fid} and 0 otherwise. Note that it will only return 1 if an error\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1713 has already been encountered, not if the next operation will result in\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1714 an error condition.\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1715 \n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1716 The second argument is optional. If it is supplied, also clear the\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1717 error condition.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1718 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1719 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1720 octave_value_list retval;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1721
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1722 int nargin = args.length ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1723
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1724 if (nargin == 1 || nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1725 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1726 octave_stream os = octave_stream_list::lookup (args(0), "ferror");
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1727
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1728 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1729 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1730 bool clear = false;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1731
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1732 if (nargin == 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1733 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1734 std::string opt = args(1).string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1735
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1736 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1737 clear = (opt == "clear");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1738 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1739 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1740 }
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
1741
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1742 int error_number = 0;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1743
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1744 std::string error_message = os.error (clear, error_number);
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1745
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1746 retval(1) = error_number;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1747 retval(0) = error_message;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1748 }
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1749 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1750 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1751 print_usage ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1752
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1753 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1754 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1755
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
1756 DEFUN (popen, args, ,
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1757 "-*- texinfo -*-\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1758 @deftypefn {Built-in Function} {@var{fid} =} popen (@var{command}, @var{mode})\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1759 Start a process and create a pipe. The name of the command to run is\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1760 given by @var{command}. The file identifier corresponding to the input\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1761 or output stream of the process is returned in @var{fid}. The argument\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1762 @var{mode} may be\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1763 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1764 @table @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1765 @item \"r\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1766 The pipe will be connected to the standard output of the process, and\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1767 open for reading.\n\
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1768 \n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1769 @item \"w\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1770 The pipe will be connected to the standard input of the process, and\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1771 open for writing.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1772 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1773 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1774 For example,\n\
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1775 \n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1776 @example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1777 @group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1778 fid = popen (\"ls -ltr / | tail -3\", \"r\");\n\
7768
a2d9f325b65a Use isschar instead of deprecated isstr
Rafael Laboissiere <rafael@debian.org>
parents: 7730
diff changeset
1779 while (ischar (s = fgets (fid)))\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1780 fputs (stdout, s);\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1781 endwhile\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1782 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1783 @print{} drwxr-xr-x 3 root root 1024 Feb 15 13:28 lib\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1784 @print{} drwxrwxrwt 15 root root 2048 Feb 17 14:53 tmp\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1785 @end group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1786 @end example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1787 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1788 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1789 octave_value retval = -1;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1790
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1791 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1792
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1793 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1794 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1795 std::string name = args(0).string_value ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1796
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1797 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1798 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1799 std::string mode = args(1).string_value ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1800
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1801 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1802 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1803 if (mode == "r")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1804 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1805 octave_stream ips = octave_iprocstream::create (name);
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1806
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1807 retval = octave_stream_list::insert (ips);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1808 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1809 else if (mode == "w")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1810 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1811 octave_stream ops = octave_oprocstream::create (name);
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1812
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1813 retval = octave_stream_list::insert (ops);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1814 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1815 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1816 ::error ("popen: invalid mode specified");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1817 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1818 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1819 ::error ("popen: mode must be a string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1820 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1821 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1822 ::error ("popen: name must be a string");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1823 }
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1824 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1825 print_usage ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1826
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1827 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1828 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1829
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
1830 DEFUN (pclose, args, ,
3381
69b167451491 [project @ 1999-12-15 20:48:10 by jwe]
jwe
parents: 3372
diff changeset
1831 "-*- texinfo -*-\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1832 @deftypefn {Built-in Function} {} pclose (@var{fid})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1833 Close a file identifier that was opened by @code{popen}. You may also\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1834 use @code{fclose} for the same purpose.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1835 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1836 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1837 octave_value retval = -1;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1838
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1839 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1840
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1841 if (nargin == 1)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1842 retval = octave_stream_list::remove (args(0), "pclose");
1377
44f5d41ff757 [project @ 1995-09-12 00:07:58 by jwe]
jwe
parents: 1363
diff changeset
1843 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1844 print_usage ();
1379
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1845
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1846 return retval;
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1847 }
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1848
10197
4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
1849 DEFUNX ("tmpnam", Ftmpnam, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1850 "-*- texinfo -*-\n\
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1851 @deftypefn {Built-in Function} {} tmpnam (@var{dir}, @var{prefix})\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1852 Return a unique temporary file name as a string.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1853 \n\
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1854 If @var{prefix} is omitted, a value of @code{\"oct-\"} is used.\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1855 If @var{dir} is also omitted, the default directory for temporary files\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1856 is used. If @var{dir} is provided, it must exist, otherwise the default\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1857 directory for temporary files is used. Since the named file is not\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1858 opened, by @code{tmpnam}, it is possible (though relatively unlikely)\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1859 that it will not be available by the time your program attempts to open it.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1860 @seealso{tmpfile, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1861 @end deftypefn")
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1862 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1863 octave_value retval;
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1864
2936
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1865 int len = args.length ();
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1866
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1867 if (len < 3)
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1868 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1869 std::string dir = len > 0 ? args(0).string_value () : std::string ();
2936
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1870
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1871 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1872 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1873 std::string pfx
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1874 = len > 1 ? args(1).string_value () : std::string ("oct-");
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1875
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1876 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1877 retval = octave_tempnam (dir, pfx);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1878 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1879 ::error ("expecting second argument to be a string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1880 }
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1881 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1882 ::error ("expecting first argument to be a string");
2936
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1883 }
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1884 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1885 print_usage ();
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1886
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1887 return retval;
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1888 }
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1889
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2442
diff changeset
1890 DEFALIAS (octave_tmp_file_name, tmpnam);
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2442
diff changeset
1891
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1892 DEFUN (tmpfile, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1893 "-*- texinfo -*-\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1894 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} tmpfile ()\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1895 Return the file ID corresponding to a new temporary file with a unique\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1896 name. The file is opened in binary read/write (@code{\"w+b\"}) mode.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1897 The file will be deleted automatically when it is closed or when Octave\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1898 exits.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1899 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1900 If successful, @var{fid} is a valid file ID and @var{msg} is an empty\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1901 string. Otherwise, @var{fid} is -1 and @var{msg} contains a\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1902 system-dependent error message.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1903 @seealso{tmpnam, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1904 @end deftypefn")
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1905 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1906 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1907
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1908 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1909 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1910
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1911 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1912
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1913 if (nargin == 0)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1914 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1915 FILE *fid = tmpfile ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1916
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1917 if (fid)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1918 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1919 std::string nm;
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1920
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1921 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b");
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1922
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1923 octave_stream s = octave_stdiostream::create (nm, fid, md);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1924
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1925 if (s)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1926 retval(0) = octave_stream_list::insert (s);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1927 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1928 error ("tmpfile: failed to create octave_stdiostream object");
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1929
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1930 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1931 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1932 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
1933 retval(1) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1934 retval(0) = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1935 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1936 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1937 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1938 print_usage ();
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1939
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1940 return retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1941 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1942
8792
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1943 #if defined (HAVE_MKSTEMPS)
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1944 // Prototype for mkstemps in libiberty
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1945 extern "C" int mkstemps (char *pattern, int suffix_len);
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1946 #endif
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1947
9236
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1948 #if ! defined (HAVE_MKSTEMP) && ! defined (HAVE_MKSTEMPS) && defined (_MSC_VER)
10259
65b41bc71f09 use gnulib fcntl module
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1949 #include <fcntl.h>
65b41bc71f09 use gnulib fcntl module
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1950 #include <sys/stat.h>
9236
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1951 int mkstemp (char *tmpl)
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1952 {
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1953 int ret=-1;
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1954 mktemp (tmpl);
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1955 ret = open (tmpl, O_RDWR | O_BINARY | O_CREAT | O_EXCL | _O_SHORT_LIVED,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1956 _S_IREAD | _S_IWRITE);
9236
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1957 return ret;
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1958 }
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1959 #define HAVE_MKSTEMP 1
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1960 #endif
c02224afead6 Add mkstemp implementation based on mktemp, for platforms missing it
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9209
diff changeset
1961
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1962 DEFUN (mkstemp, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1963 "-*- texinfo -*-\n\
5109
1e36493572a0 [project @ 2005-01-18 20:17:53 by jwe]
jwe
parents: 5102
diff changeset
1964 @deftypefn {Built-in Function} {[@var{fid}, @var{name}, @var{msg}] =} mkstemp (@var{template}, @var{delete})\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1965 Return the file ID corresponding to a new temporary file with a unique\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1966 name created from @var{template}. The last six characters of @var{template}\n\
5016
bdbee5282954 [project @ 2004-09-22 02:50:35 by jwe]
jwe
parents: 4944
diff changeset
1967 must be @code{XXXXXX} and these are replaced with a string that makes the\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1968 filename unique. The file is then created with mode read/write and\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1969 permissions that are system dependent (on GNU/Linux systems, the permissions\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1970 will be 0600 for versions of glibc 2.0.7 and later). The file is opened\n\
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9039
diff changeset
1971 with the @w{@code{O_EXCL}} flag.\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1972 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1973 If the optional argument @var{delete} is supplied and is true,\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1974 the file will be deleted automatically when Octave exits, or when\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1975 the function @code{purge_tmp_files} is called.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1976 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1977 If successful, @var{fid} is a valid file ID, @var{name} is the name of\n\
7001
8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe]
jwe
parents: 6905
diff changeset
1978 the file, and @var{msg} is an empty string. Otherwise, @var{fid}\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1979 is -1, @var{name} is empty, and @var{msg} contains a system-dependent\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1980 error message.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1981 @seealso{tmpfile, tmpnam, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1982 @end deftypefn")
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1983 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1984 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1985
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1986 retval(2) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1987 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1988 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1989
8792
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
1990 #if defined (HAVE_MKSTEMP) || defined (HAVE_MKSTEMPS)
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1991
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1992 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1993
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1994 if (nargin == 1 || nargin == 2)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1995 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1996 std::string tmpl8 = args(0).string_value ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1997
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1998 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1999 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2000 OCTAVE_LOCAL_BUFFER (char, tmp, tmpl8.size () + 1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2001 strcpy (tmp, tmpl8.c_str ());
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2002
8792
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
2003 #if defined (HAVE_MKSTEMP)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2004 int fd = mkstemp (tmp);
8792
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
2005 #else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2006 int fd = mkstemps (tmp, 0);
8792
bbb3fa6778f3 use mkstemps as replacement for mkstemp on mingw32
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents: 8773
diff changeset
2007 #endif
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2008
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2009 if (fd < 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2010 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
2011 retval(2) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2012 retval(0) = fd;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2013 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2014 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2015 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2016 const char *fopen_mode = "w+";
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2017
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2018 FILE *fid = fdopen (fd, fopen_mode);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2019
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2020 if (fid)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2021 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2022 std::string nm = tmp;
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2023
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2024 std::ios::openmode md = fopen_mode_to_ios_mode (fopen_mode);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2025
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2026 octave_stream s = octave_stdiostream::create (nm, fid, md);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2027
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2028 if (s)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2029 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2030 retval(1) = nm;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2031 retval(0) = octave_stream_list::insert (s);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2032
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2033 if (nargin == 2 && args(1).is_true ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2034 mark_for_deletion (nm);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2035 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2036 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2037 error ("mkstemp: failed to create octave_stdiostream object");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2038 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2039 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2040 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
2041 retval(2) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2042 retval(0) = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2043 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2044 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2045 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2046 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2047 error ("mkstemp: expecting string as first argument");
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2048 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2049 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2050 print_usage ();
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2051
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2052 #else
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2053 retval(2) = "mkstemp: not supported on this sytem";
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2054 #endif
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2055
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2056 return retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2057 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2058
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2059 static int
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2060 convert (int x, int ibase, int obase)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2061 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2062 int retval = 0;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2063
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2064 int tmp = x % obase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2065
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2066 if (tmp > ibase - 1)
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
2067 ::error ("umask: invalid digit");
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2068 else
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2069 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2070 retval = tmp;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2071 int mult = ibase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2072 while ((x = (x - tmp) / obase))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2073 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2074 tmp = x % obase;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2075 if (tmp > ibase - 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2076 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2077 ::error ("umask: invalid digit");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2078 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2079 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2080 retval += mult * tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2081 mult *= ibase;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2082 }
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2083 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2084
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2085 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2086 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2087
10197
4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
2088 DEFUNX ("umask", Fumask, args, ,
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2089 "-*- texinfo -*-\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2090 @deftypefn {Built-in Function} {} umask (@var{mask})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2091 Set the permission mask for file creation. The parameter @var{mask}\n\
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
2092 is an integer, interpreted as an octal number. If successful,\n\
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
2093 returns the previous value of the mask (as an integer to be\n\
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
2094 interpreted as an octal number); otherwise an error message is printed.\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2095 @end deftypefn")
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2096 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
2097 octave_value_list retval;
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2098
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2099 int status = 0;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2100
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2101 if (args.length () == 1)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2102 {
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2103 int mask = args(0).int_value (true);
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2104
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2105 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2106 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2107 if (mask < 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2108 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2109 status = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2110 ::error ("umask: MASK must be a positive integer value");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2111 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2112 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2113 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2114 int oct_mask = convert (mask, 8, 10);
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2115
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2116 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2117 status = convert (octave_umask (oct_mask), 10, 8);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2118 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2119 }
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2120 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2121 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2122 status = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2123 ::error ("umask: expecting integer argument");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2124 }
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2125 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2126 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2127 print_usage ();
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2128
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2129 if (status >= 0)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
2130 retval(0) = status;
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2131
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2132 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2133 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2134
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2135 static octave_value
6483
d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe]
jwe
parents: 6456
diff changeset
2136 const_value (const char *, const octave_value_list& args, int val)
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2137 {
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2138 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2139
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2140 int nargin = args.length ();
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2141
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2142 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2143 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2144 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2145 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2146
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2147 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2148 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2149
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2150 #if ! defined (P_tmpdir)
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2151 #define P_tmpdir "/tmp"
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2152 #endif
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2153
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2154 DEFUNX ("P_tmpdir", FP_tmpdir, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2155 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2156 @deftypefn {Built-in Function} {} P_tmpdir ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2157 Return the default name of the directory for temporary files on\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2158 this system. The name of this directory is system dependent.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2159 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2160 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2161 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2162
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2163 int nargin = args.length ();
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2164
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2165 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2166 retval = P_tmpdir;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2167 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2168 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2169
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2170 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2171 }
2341
6ee55c0f25a9 [project @ 1996-07-24 10:33:09 by jwe]
jwe
parents: 2324
diff changeset
2172
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2173 // NOTE: the values of SEEK_SET, SEEK_CUR, and SEEK_END have to be
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2174 // this way for Matlab compatibility.
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2175
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2176 DEFUNX ("SEEK_SET", FSEEK_SET, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2177 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2178 @deftypefn {Built-in Function} {} SEEK_SET ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2179 @deftypefnx {Built-in Function} {} SEEK_CUR ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2180 @deftypefnx {Built-in Function} {} SEEK_END ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2181 Return the value required to request that @code{fseek} perform\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2182 one of the following actions:\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2183 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2184 @item SEEK_SET\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2185 Position file relative to the beginning.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2186 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2187 @item SEEK_CUR\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2188 Position file relative to the current position.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2189 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2190 @item SEEK_END\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2191 Position file relative to the end.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2192 @end table\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2193 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2194 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2195 return const_value ("SEEK_SET", args, -1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2196 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2197
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2198 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2199 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2200 @deftypefn {Built-in Function} {} SEEK_CUR ()\n\
3458
d25bc039237b [project @ 2000-01-19 09:36:14 by jwe]
jwe
parents: 3448
diff changeset
2201 See SEEK_SET.\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2202 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2203 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2204 return const_value ("SEEK_CUR", args, 0);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2205 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2206
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2207 DEFUNX ("SEEK_END", FSEEK_END, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2208 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2209 @deftypefn {Built-in Function} {} SEEK_END ()\n\
3458
d25bc039237b [project @ 2000-01-19 09:36:14 by jwe]
jwe
parents: 3448
diff changeset
2210 See SEEK_SET.\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2211 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2212 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2213 return const_value ("SEEK_END", args, 1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2214 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2215
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2216 static octave_value
6483
d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe]
jwe
parents: 6456
diff changeset
2217 const_value (const char *, const octave_value_list& args,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2218 const octave_value& val)
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2219 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2220 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2221
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2222 int nargin = args.length ();
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2223
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2224 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2225 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2226 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2227 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2228
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2229 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2230 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2231
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2232 DEFUNX ("stdin", Fstdin, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2233 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2234 @deftypefn {Built-in Function} {} stdin ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2235 Return the numeric value corresponding to the standard input stream.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2236 When Octave is used interactively, this is filtered through the command\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2237 line editing functions.\n\
5333
ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe]
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diff changeset
2238 @seealso{stdout, stderr}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2239 @end deftypefn")
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parents: 5653
diff changeset
2240 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2241 return const_value ("stdin", args, stdin_file);
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diff changeset
2242 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
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diff changeset
2243
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2244 DEFUNX ("stdout", Fstdout, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2245 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2246 @deftypefn {Built-in Function} {} stdout ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2247 Return the numeric value corresponding to the standard output stream.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2248 Data written to the standard output is normally filtered through the pager.\n\
5333
ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe]
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parents: 5325
diff changeset
2249 @seealso{stdin, stderr}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2250 @end deftypefn")
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diff changeset
2251 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2252 return const_value ("stdout", args, stdout_file);
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diff changeset
2253 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
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diff changeset
2254
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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parents: 5653
diff changeset
2255 DEFUNX ("stderr", Fstderr, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2256 "-*- texinfo -*-\n\
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diff changeset
2257 @deftypefn {Built-in Function} {} stderr ()\n\
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diff changeset
2258 Return the numeric value corresponding to the standard error stream.\n\
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diff changeset
2259 Even if paging is turned on, the standard error is not sent to the\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2260 pager. It is useful for error messages and prompts.\n\
5333
ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe]
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diff changeset
2261 @seealso{stdin, stdout}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2262 @end deftypefn")
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diff changeset
2263 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
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diff changeset
2264 return const_value ("stderr", args, stderr_file);
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
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parents: 2148
diff changeset
2265 }