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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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1192
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24 #include <config.h> |
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523
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25 #endif |
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26 |
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1341
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27 #include <cerrno> |
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28 #include <cstdio> |
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29 #include <cstddef> |
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30 #include <cstdlib> |
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31 #include <cstring> |
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32 |
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1728
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33 #include <string> |
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34 |
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1832
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35 #ifdef HAVE_UNISTD_H |
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2442
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36 #ifdef HAVE_SYS_TYPES_H |
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1832
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37 #include <sys/types.h> |
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2442
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38 #endif |
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1832
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39 #include <unistd.h> |
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40 #endif |
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41 |
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2926
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42 #include "file-ops.h" |
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43 #include "file-stat.h" |
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44 #include "glob-match.h" |
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4051
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45 #include "lo-sstream.h" |
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2926
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46 #include "oct-env.h" |
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1755
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47 #include "str-vec.h" |
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48 |
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5102
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49 #include "Cell.h" |
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1355
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50 #include "defun.h" |
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1781
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51 #include "dir-ops.h" |
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1355
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52 #include "dirfns.h" |
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53 #include "error.h" |
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1402
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54 #include "gripes.h" |
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1750
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55 #include "oct-obj.h" |
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1355
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56 #include "pager.h" |
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57 #include "procstream.h" |
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58 #include "sysdep.h" |
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1750
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59 #include "toplev.h" |
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1449
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60 #include "unwind-prot.h" |
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523
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61 #include "utils.h" |
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1742
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62 #include "variables.h" |
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63 |
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2926
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64 // XXX FIXME XXX -- changing the plotter directory should be handled |
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65 // by registering a function for octave_env::chdir to call so that |
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66 // this function can be eliminated. |
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67 |
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1328
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68 static int |
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3523
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69 octave_change_to_directory (const std::string& newdir) |
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1328
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70 { |
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2926
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71 int cd_ok = octave_env::chdir (newdir); |
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72 |
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73 if (cd_ok) |
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5102
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74 // XXX FIXME XXX -- this should be handled as a list of functions |
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75 // to call so users can add their own chdir handlers. |
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76 /* do_external_plotter_cd (newdir) */; |
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1328
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77 else |
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3531
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78 { |
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79 using namespace std; |
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80 |
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81 error ("%s: %s", newdir.c_str (), strerror (errno)); |
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82 } |
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1328
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83 |
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84 return cd_ok; |
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85 } |
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86 |
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4208
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87 DEFCMD (cd, args, , |
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3301
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88 "-*- texinfo -*-\n\ |
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89 @deffn {Command} cd dir\n\ |
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90 @deffnx {Command} chdir dir\n\ |
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91 Change the current working directory to @var{dir}. If @var{dir} is\n\ |
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92 omitted, the current directory is changed to the users home\n\ |
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93 directory. For example,\n\ |
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94 \n\ |
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3301
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95 @example\n\ |
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96 cd ~/octave\n\ |
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97 @end example\n\ |
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98 \n\ |
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99 @noindent\n\ |
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100 Changes the current working directory to @file{~/octave}. If the\n\ |
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101 directory does not exist, an error message is printed and the working\n\ |
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102 directory is not changed.\n\ |
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103 @end deffn") |
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104 { |
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2086
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105 octave_value_list retval; |
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106 |
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1755
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107 int argc = args.length () + 1; |
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108 |
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1965
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109 string_vector argv = args.make_argv ("cd"); |
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110 |
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111 if (error_state) |
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112 return retval; |
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113 |
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114 if (argc > 1) |
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115 { |
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3523
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116 std::string dirname = file_ops::tilde_expand (argv[1]); |
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117 |
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1750
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118 if (dirname.length () > 0 |
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119 && ! octave_change_to_directory (dirname)) |
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120 { |
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121 return retval; |
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122 } |
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123 } |
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124 else |
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125 { |
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3523
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126 std::string home_dir = octave_env::get_home_directory (); |
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127 |
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128 if (home_dir.empty () || ! octave_change_to_directory (home_dir)) |
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129 return retval; |
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130 } |
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131 |
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132 return retval; |
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133 } |
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134 |
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611
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135 DEFALIAS (chdir, cd); |
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136 |
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661
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137 // Get a directory listing. |
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138 |
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1965
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139 static void |
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140 cleanup_iprocstream (void *p) |
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141 { |
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2800
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142 delete static_cast <iprocstream *> (p); |
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1965
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143 } |
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144 |
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4691
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145 DEFCMD (ls, args, nargout, |
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3301
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146 "-*- texinfo -*-\n\ |
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147 @deffn {Command} ls options\n\ |
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148 List directory contents. For example,\n\ |
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149 \n\ |
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3301
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150 @example\n\ |
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151 ls -l\n\ |
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152 @print{} total 12\n\ |
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153 @print{} -rw-r--r-- 1 jwe users 4488 Aug 19 04:02 foo.m\n\ |
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154 @print{} -rw-r--r-- 1 jwe users 1315 Aug 17 23:14 bar.m\n\ |
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155 @end example\n\ |
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156 \n\ |
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157 The @code{dir} and @code{ls} commands are implemented by calling your\n\ |
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158 system's directory listing command, so the available options may vary\n\ |
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159 from system to system.\n\ |
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160 @end deffn") |
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523
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161 { |
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4691
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162 octave_value retval; |
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163 |
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164 int argc = args.length () + 1; |
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165 |
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1965
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166 string_vector argv = args.make_argv ("ls"); |
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167 |
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168 if (error_state) |
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169 return retval; |
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170 |
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4051
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171 OSSTREAM ls_buf; |
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172 |
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173 ls_buf << "ls -C "; |
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174 for (int i = 1; i < argc; i++) |
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2926
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175 ls_buf << file_ops::tilde_expand (argv[i]) << " "; |
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176 |
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4051
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177 ls_buf << OSSTREAM_ENDS; |
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178 |
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4051
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179 iprocstream *cmd = new iprocstream (OSSTREAM_STR (ls_buf)); |
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180 |
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4051
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181 OSSTREAM_FREEZE (ls_buf); |
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1469
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182 |
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2985
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183 unwind_protect::add (cleanup_iprocstream, cmd); |
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184 |
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1449
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185 if (cmd && *cmd) |
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186 { |
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3147
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187 char ch; |
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188 |
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4691
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189 OSSTREAM output_buf; |
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190 |
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4489
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191 for (;;) |
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192 { |
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193 if (cmd->get (ch)) |
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4691
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194 { |
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195 octave_stdout << ch; |
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196 output_buf << ch; |
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197 } |
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4489
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198 else |
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5144
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199 break; |
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4489
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200 } |
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4691
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201 |
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202 output_buf << OSSTREAM_ENDS; |
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203 |
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204 if (nargout > 0) |
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205 retval = OSSTREAM_STR (output_buf); |
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206 |
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207 OSSTREAM_FREEZE (output_buf); |
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1449
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208 } |
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209 else |
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210 error ("couldn't start process for ls!"); |
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211 |
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2985
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212 unwind_protect::run (); |
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213 |
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214 return retval; |
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215 } |
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216 |
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1957
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217 DEFUN (pwd, , nargout, |
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218 "-*- texinfo -*-\n\ |
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219 @deftypefn {Built-in Function} {} pwd ()\n\ |
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220 Return the current working directory.\n\ |
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221 @end deftypefn") |
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222 { |
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4233
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223 octave_value retval; |
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224 |
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3523
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225 std::string directory = octave_env::getcwd (); |
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226 |
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2926
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227 if (directory.empty ()) |
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228 warning ("pwd: can't find working directory!"); |
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229 else |
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230 { |
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1592
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231 if (nargout == 0) |
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2095
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232 octave_stdout << directory << "\n"; |
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1592
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233 else |
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234 retval = directory; |
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523
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235 } |
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1592
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236 |
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523
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237 return retval; |
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238 } |
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239 |
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1957
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240 DEFUN (readdir, args, , |
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3301
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241 "-*- texinfo -*-\n\ |
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242 @deftypefn {Built-in Function} {[@var{files}, @var{err}, @var{msg}] =} readdir (@var{dir})\n\ |
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4691
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243 Return names of the files in the directory @var{dir} as a cell array of\n\ |
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244 strings. If an error occurs, return an empty cell array in @var{files}.\n\ |
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245 \n\ |
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3301
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246 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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247 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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248 system-dependent error message.\n\ |
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249 @end deftypefn") |
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1389
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250 { |
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2086
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251 octave_value_list retval; |
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252 |
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3523
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253 retval(2) = std::string (); |
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2669
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254 retval(1) = -1.0; |
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4691
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255 retval(0) = Cell (); |
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2669
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256 |
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1401
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257 if (args.length () == 1) |
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1389
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258 { |
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3523
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259 std::string dirname = args(0).string_value (); |
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260 |
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1401
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261 if (error_state) |
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1781
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262 gripe_wrong_type_arg ("readdir", args(0)); |
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1401
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263 else |
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264 { |
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2926
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265 dir_entry dir (file_ops::tilde_expand (dirname)); |
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266 |
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1401
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267 if (dir) |
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1389
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268 { |
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1781
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269 string_vector dirlist = dir.read (); |
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4691
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270 retval(0) = Cell (dirlist.qsort ()); |
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2669
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271 retval(1) = 0.0; |
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1401
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272 } |
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273 else |
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274 { |
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2669
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275 retval(2) = dir.error (); |
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1401
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276 } |
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1389
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277 } |
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278 } |
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279 else |
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280 print_usage ("readdir"); |
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281 |
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1401
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282 return retval; |
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283 } |
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284 |
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285 // XXX FIXME XXX -- should probably also allow second arg to specify |
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286 // mode. |
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287 |
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1957
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288 DEFUN (mkdir, args, , |
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3301
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289 "-*- texinfo -*-\n\ |
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4928
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290 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} mkdir (@var{dir})\n\ |
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3301
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291 Create a directory named @var{dir}.\n\ |
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1401
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292 \n\ |
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3301
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293 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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294 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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295 system-dependent error message.\n\ |
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296 @end deftypefn") |
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1401
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297 { |
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2086
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298 octave_value_list retval; |
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1401
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299 |
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3523
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300 retval(1) = std::string (); |
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2669
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301 retval(0) = -1.0; |
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1401
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302 |
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303 if (args.length () == 1) |
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304 { |
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3523
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305 std::string dirname = args(0).string_value (); |
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1401
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306 |
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307 if (error_state) |
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1402
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308 gripe_wrong_type_arg ("mkdir", args(0)); |
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1489
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309 else |
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1401
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310 { |
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3523
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311 std::string msg; |
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2669
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312 |
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2926
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313 int status = file_ops::mkdir (file_ops::tilde_expand (dirname), |
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314 0777, msg); |
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1489
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315 |
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4233
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316 retval(0) = status; |
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2669
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317 |
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318 if (status < 0) |
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319 retval(1) = msg; |
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1401
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320 } |
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321 } |
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322 else |
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323 print_usage ("mkdir"); |
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324 |
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325 return retval; |
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326 } |
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327 |
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1957
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328 DEFUN (rmdir, args, , |
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3301
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329 "-*- texinfo -*-\n\ |
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330 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} rmdir (@var{dir})\n\ |
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331 Remove the directory named @var{dir}.\n\ |
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1401
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332 \n\ |
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3301
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333 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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334 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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335 system-dependent error message.\n\ |
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336 @end deftypefn") |
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1401
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337 { |
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2086
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338 octave_value_list retval; |
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1401
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339 |
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3523
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340 retval(1) = std::string (); |
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2669
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341 retval(0) = -1.0; |
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1401
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342 |
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343 if (args.length () == 1) |
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344 { |
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3523
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345 std::string dirname = args(0).string_value (); |
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1401
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346 |
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347 if (error_state) |
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1402
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348 gripe_wrong_type_arg ("rmdir", args(0)); |
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1489
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349 else |
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1401
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350 { |
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3523
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351 std::string msg; |
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2669
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352 |
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2926
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353 int status = file_ops::rmdir (file_ops::tilde_expand (dirname), msg); |
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1489
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354 |
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4233
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355 retval(0) = status; |
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2669
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356 |
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357 if (status < 0) |
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358 retval(1) = msg; |
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1401
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359 } |
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360 } |
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1389
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361 else |
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1401
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362 print_usage ("rmdir"); |
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363 |
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364 return retval; |
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365 } |
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366 |
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3710
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367 DEFUN (link, args, , |
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368 "-*- texinfo -*-\n\ |
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369 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} link (@var{old}, @var{new})\n\ |
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370 Create a new link (also known as a hard link) to an existing file.\n\ |
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371 \n\ |
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372 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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373 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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374 system-dependent error message.\n\ |
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375 @end deftypefn") |
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376 { |
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377 octave_value_list retval; |
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378 |
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379 retval(1) = std::string (); |
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380 retval(0) = -1.0; |
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381 |
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382 if (args.length () == 2) |
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383 { |
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384 std::string from = args(0).string_value (); |
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385 |
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386 if (error_state) |
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387 gripe_wrong_type_arg ("link", args(0)); |
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388 else |
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389 { |
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390 std::string to = args(1).string_value (); |
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391 |
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392 if (error_state) |
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393 gripe_wrong_type_arg ("link", args(1)); |
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394 else |
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395 { |
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396 std::string msg; |
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397 |
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398 int status = file_ops::link (from, to, msg); |
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399 |
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4233
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400 retval(0) = status; |
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3710
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401 |
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402 if (status < 0) |
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403 retval(1) = msg; |
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404 } |
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405 } |
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406 } |
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407 else |
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408 print_usage ("link"); |
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409 |
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410 return retval; |
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411 } |
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412 |
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413 DEFUN (symlink, args, , |
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414 "-*- texinfo -*-\n\ |
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415 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} symlink (@var{old}, @var{new})\n\ |
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416 Create a symbolic link @var{new} which contains the string @var{old}.\n\ |
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417 \n\ |
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418 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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|
419 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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|
420 system-dependent error message.\n\ |
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421 @end deftypefn") |
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422 { |
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423 octave_value_list retval; |
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424 |
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425 retval(1) = std::string (); |
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|
426 retval(0) = -1.0; |
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427 |
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428 if (args.length () == 2) |
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|
429 { |
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430 std::string from = args(0).string_value (); |
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431 |
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|
432 if (error_state) |
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433 gripe_wrong_type_arg ("symlink", args(0)); |
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|
434 else |
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435 { |
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436 std::string to = args(1).string_value (); |
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437 |
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|
438 if (error_state) |
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|
439 gripe_wrong_type_arg ("symlink", args(1)); |
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|
440 else |
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441 { |
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|
442 std::string msg; |
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443 |
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|
444 int status = file_ops::symlink (from, to, msg); |
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445 |
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4233
|
446 retval(0) = status; |
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3710
|
447 |
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|
448 if (status < 0) |
|
|
449 retval(1) = msg; |
|
|
450 } |
|
|
451 } |
|
|
452 } |
|
|
453 else |
|
|
454 print_usage ("symlink"); |
|
|
455 |
|
|
456 return retval; |
|
|
457 } |
|
|
458 |
|
|
459 DEFUN (readlink, args, , |
|
|
460 "-*- texinfo -*-\n\ |
|
4169
|
461 @deftypefn {Built-in Function} {[@var{result}, @var{err}, @var{msg}] =} readlink (@var{symlink})\n\ |
|
3710
|
462 Read the value of the symbolic link @var{symlink}.\n\ |
|
|
463 \n\ |
|
|
464 If successful, @var{result} contains the contents of the symbolic link\n\ |
|
|
465 @var{symlink}, @var{err} is 0 and @var{msg} is an empty string.\n\ |
|
|
466 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
|
|
467 system-dependent error message.\n\ |
|
|
468 @end deftypefn") |
|
|
469 { |
|
|
470 octave_value_list retval; |
|
|
471 |
|
|
472 retval(2) = std::string (); |
|
|
473 retval(1) = -1.0; |
|
|
474 retval(0) = std::string (); |
|
|
475 |
|
|
476 if (args.length () == 1) |
|
|
477 { |
|
|
478 std::string symlink = args(0).string_value (); |
|
|
479 |
|
|
480 if (error_state) |
|
|
481 gripe_wrong_type_arg ("readlink", args(0)); |
|
|
482 else |
|
|
483 { |
|
|
484 std::string result; |
|
|
485 std::string msg; |
|
|
486 |
|
|
487 int status = file_ops::readlink (symlink, result, msg); |
|
|
488 |
|
|
489 retval(0) = result; |
|
|
490 |
|
4233
|
491 retval(1) = status; |
|
3710
|
492 |
|
|
493 if (status < 0) |
|
|
494 retval(2) = msg; |
|
|
495 } |
|
|
496 } |
|
|
497 else |
|
|
498 print_usage ("readlink"); |
|
|
499 |
|
|
500 return retval; |
|
|
501 } |
|
|
502 |
|
1957
|
503 DEFUN (rename, args, , |
|
3301
|
504 "-*- texinfo -*-\n\ |
|
|
505 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} rename (@var{old}, @var{new})\n\ |
|
|
506 Change the name of file @var{old} to @var{new}.\n\ |
|
1401
|
507 \n\ |
|
3301
|
508 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
|
|
509 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
|
|
510 system-dependent error message.\n\ |
|
|
511 @end deftypefn") |
|
1401
|
512 { |
|
2086
|
513 octave_value_list retval; |
|
1401
|
514 |
|
3523
|
515 retval(1) = std::string (); |
|
2669
|
516 retval(0) = -1.0; |
|
1401
|
517 |
|
|
518 if (args.length () == 2) |
|
|
519 { |
|
3523
|
520 std::string from = args(0).string_value (); |
|
1728
|
521 |
|
1401
|
522 if (error_state) |
|
1402
|
523 gripe_wrong_type_arg ("rename", args(0)); |
|
|
524 else |
|
1401
|
525 { |
|
3523
|
526 std::string to = args(1).string_value (); |
|
1728
|
527 |
|
1402
|
528 if (error_state) |
|
|
529 gripe_wrong_type_arg ("rename", args(1)); |
|
2669
|
530 else |
|
1402
|
531 { |
|
3523
|
532 std::string msg; |
|
2669
|
533 |
|
2926
|
534 int status = file_ops::rename (from, to, msg); |
|
2669
|
535 |
|
4233
|
536 retval(0) = status; |
|
2669
|
537 |
|
|
538 if (status < 0) |
|
|
539 retval(1) = msg; |
|
1402
|
540 } |
|
1401
|
541 } |
|
|
542 } |
|
|
543 else |
|
|
544 print_usage ("rename"); |
|
|
545 |
|
1389
|
546 return retval; |
|
|
547 } |
|
|
548 |
|
2495
|
549 DEFUN (glob, args, , |
|
3301
|
550 "-*- texinfo -*-\n\ |
|
|
551 @deftypefn {Built-in Function} {} glob (@var{pattern})\n\ |
|
4691
|
552 Given an array of strings in @var{pattern}, return a cell array of file\n\ |
|
|
553 names that match any of them, or an empty cell array if no patterns match.\n\ |
|
3690
|
554 Tilde expansion is performed on each of the patterns before looking for\n\ |
|
3301
|
555 matching file names. For example,\n\ |
|
2495
|
556 \n\ |
|
3301
|
557 @example\n\ |
|
|
558 @group\n\ |
|
|
559 glob (\"/vm*\")\n\ |
|
|
560 @result{} \"/vmlinuz\"\n\ |
|
|
561 @end group\n\ |
|
|
562 @end example\n\ |
|
|
563 @end deftypefn") |
|
2495
|
564 { |
|
|
565 octave_value retval; |
|
|
566 |
|
|
567 if (args.length () == 1) |
|
|
568 { |
|
|
569 string_vector pat = args(0).all_strings (); |
|
|
570 |
|
|
571 if (error_state) |
|
|
572 gripe_wrong_type_arg ("glob", args(0)); |
|
|
573 else |
|
|
574 { |
|
2926
|
575 glob_match pattern (file_ops::tilde_expand (pat)); |
|
2495
|
576 |
|
4691
|
577 retval = Cell (pattern.glob ()); |
|
2495
|
578 } |
|
|
579 } |
|
|
580 else |
|
|
581 print_usage ("glob"); |
|
|
582 |
|
|
583 return retval; |
|
|
584 } |
|
|
585 |
|
2496
|
586 DEFUN (fnmatch, args, , |
|
3301
|
587 "-*- texinfo -*-\n\ |
|
|
588 @deftypefn {Built-in Function} {} fnmatch (@var{pattern}, @var{string})\n\ |
|
|
589 Return 1 or zero for each element of @var{string} that matches any of\n\ |
|
|
590 the elements of the string array @var{pattern}, using the rules of\n\ |
|
|
591 filename pattern matching. For example,\n\ |
|
2496
|
592 \n\ |
|
3301
|
593 @example\n\ |
|
|
594 @group\n\ |
|
|
595 fnmatch (\"a*b\", [\"ab\"; \"axyzb\"; \"xyzab\"])\n\ |
|
|
596 @result{} [ 1; 1; 0 ]\n\ |
|
|
597 @end group\n\ |
|
|
598 @end example\n\ |
|
|
599 @end deftypefn") |
|
2496
|
600 { |
|
|
601 octave_value retval; |
|
|
602 |
|
|
603 if (args.length () == 2) |
|
|
604 { |
|
|
605 string_vector pat = args(0).all_strings (); |
|
|
606 string_vector str = args(1).all_strings (); |
|
|
607 |
|
|
608 if (error_state) |
|
|
609 gripe_wrong_type_arg ("fnmatch", args(0)); |
|
|
610 else |
|
|
611 { |
|
2926
|
612 glob_match pattern (file_ops::tilde_expand (pat)); |
|
2496
|
613 |
|
|
614 Array<bool> tmp = pattern.match (str); |
|
|
615 |
|
|
616 int n = tmp.length (); |
|
|
617 |
|
|
618 ColumnVector result (n); |
|
|
619 |
|
|
620 for (int i = 0; i < n; i++) |
|
|
621 result(i) = tmp(i); |
|
|
622 |
|
3418
|
623 retval = result; |
|
2496
|
624 } |
|
|
625 } |
|
|
626 else |
|
|
627 print_usage ("fnmatch"); |
|
|
628 |
|
|
629 return retval; |
|
|
630 } |
|
|
631 |
|
4264
|
632 void |
|
|
633 symbols_of_dirfns (void) |
|
|
634 { |
|
|
635 DEFCONST (filesep, file_ops::dir_sep_str, |
|
|
636 "-*- texinfo -*-\n\ |
|
|
637 @defvr {Built-in Variable} filesep\n\ |
|
|
638 The character used to separate directory names. The value\n\ |
|
|
639 of this variable is system dependent.\n\ |
|
|
640 @end defvr"); |
|
|
641 |
|
|
642 } |
|
|
643 |
|
523
|
644 /* |
|
|
645 ;;; Local Variables: *** |
|
|
646 ;;; mode: C++ *** |
|
|
647 ;;; End: *** |
|
|
648 */ |
