Mercurial > hg > octave-nkf
annotate libinterp/corefcn/load-save.cc @ 20830:b65888ec820e draft default tip gccjit
dmalcom gcc jit import
author | Stefan Mahr <dac922@gmx.de> |
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date | Fri, 27 Feb 2015 16:59:36 +0100 |
parents | 1690807b226c |
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rev | line source |
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6763 | 1 /* |
604 | 2 |
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3 Copyright (C) 1994-2015 John W. Eaton |
604 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
604 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
604 | 20 |
21 */ | |
22 | |
3911 | 23 // Author: John W. Eaton. |
24 // HDF5 support by Steven G. Johnson <stevenj@alum.mit.edu> | |
25 // Matlab v5 support by James R. Van Zandt <jrv@vanzandt.mv.com> | |
3687 | 26 |
604 | 27 #ifdef HAVE_CONFIG_H |
1192 | 28 #include <config.h> |
604 | 29 #endif |
30 | |
1343 | 31 #include <cfloat> |
32 #include <cstring> | |
33 #include <cctype> | |
34 | |
4249 | 35 #include <fstream> |
3503 | 36 #include <iomanip> |
37 #include <iostream> | |
5765 | 38 #include <sstream> |
1728 | 39 #include <string> |
40 | |
9946 | 41 #include "strftime.h" |
42 | |
1961 | 43 #include "byte-swap.h" |
44 #include "data-conv.h" | |
2926 | 45 #include "file-ops.h" |
6159 | 46 #include "file-stat.h" |
2926 | 47 #include "glob-match.h" |
2890 | 48 #include "lo-mappers.h" |
2318 | 49 #include "mach-info.h" |
3185 | 50 #include "oct-env.h" |
3258 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1755 | 53 #include "str-vec.h" |
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54 #include "oct-locbuf.h" |
1755 | 55 |
4332 | 56 #include "Cell.h" |
1352 | 57 #include "defun.h" |
604 | 58 #include "error.h" |
777 | 59 #include "gripes.h" |
6159 | 60 #include "load-path.h" |
1352 | 61 #include "load-save.h" |
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62 #include "oct-hdf5.h" |
1750 | 63 #include "oct-obj.h" |
3687 | 64 #include "oct-map.h" |
4332 | 65 #include "ov-cell.h" |
1352 | 66 #include "pager.h" |
1750 | 67 #include "pt-exp.h" |
1352 | 68 #include "symtab.h" |
69 #include "sysdep.h" | |
70 #include "unwind-prot.h" | |
604 | 71 #include "utils.h" |
2371 | 72 #include "variables.h" |
3185 | 73 #include "version.h" |
3688 | 74 #include "dMatrix.h" |
75 | |
4633 | 76 #include "ls-hdf5.h" |
77 #include "ls-mat-ascii.h" | |
78 #include "ls-mat4.h" | |
79 #include "ls-mat5.h" | |
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80 #include "ls-oct-text.h" |
4633 | 81 #include "ls-oct-binary.h" |
3688 | 82 |
10309 | 83 // Remove gnulib definitions, if any. |
84 #ifdef close | |
85 #undef close | |
86 #endif | |
87 #ifdef open | |
88 #undef open | |
5269 | 89 #endif |
90 | |
10309 | 91 #ifdef HAVE_ZLIB |
92 #include "zfstream.h" | |
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93 #endif |
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94 |
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95 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 96 static bool Vcrash_dumps_octave_core = true; |
3189 | 97 |
4791 | 98 // The maximum amount of memory (in kilobytes) that we will attempt to |
99 // write to the Octave core file. | |
5794 | 100 static double Voctave_core_file_limit = -1.0; |
4791 | 101 |
102 // The name of the Octave core file. | |
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103 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 104 |
3687 | 105 // The default output format. May be one of "binary", "text", |
106 // "mat-binary", or "hdf5". | |
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107 static std::string Vsave_default_options = "-text"; |
2194 | 108 |
5284 | 109 // The output format for Octave core files. |
5794 | 110 static std::string Voctave_core_file_options = "-binary"; |
111 | |
112 static std::string | |
113 default_save_header_format (void) | |
114 { | |
115 return | |
116 std::string ("# Created by Octave " OCTAVE_VERSION | |
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117 ", %a %b %d %H:%M:%S %Y %Z <") |
5794 | 118 + octave_env::get_user_name () |
119 + std::string ("@") | |
120 + octave_env::get_host_name () | |
121 + std::string (">"); | |
122 } | |
4788 | 123 |
3709 | 124 // The format string for the comment line at the top of text-format |
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125 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 126 // no newline characters. |
5794 | 127 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 128 |
5369 | 129 static void |
130 gripe_file_open (const std::string& fcn, const std::string& file) | |
131 { | |
132 if (fcn == "load") | |
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133 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 134 else if (fcn == "save") |
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135 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 136 else |
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137 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 138 } |
139 | |
7336 | 140 // Install a variable with name NAME and the value VAL in the |
141 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 142 |
143 static void | |
7336 | 144 install_loaded_variable (const std::string& name, |
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145 const octave_value& val, |
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146 bool global, const std::string& /*doc*/) |
604 | 147 { |
148 if (global) | |
149 { | |
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150 symbol_table::clear (name); |
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151 symbol_table::mark_global (name); |
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152 symbol_table::global_assign (name, val); |
604 | 153 } |
154 else | |
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155 symbol_table::assign (name, val); |
604 | 156 } |
157 | |
3019 | 158 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 159 |
3013 | 160 static bool |
3769 | 161 matches_patterns (const string_vector& patterns, int pat_idx, |
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162 int num_pat, const std::string& name) |
604 | 163 { |
1755 | 164 for (int i = pat_idx; i < num_pat; i++) |
604 | 165 { |
1792 | 166 glob_match pattern (patterns[i]); |
3013 | 167 |
1792 | 168 if (pattern.match (name)) |
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169 return true; |
604 | 170 } |
3688 | 171 |
3013 | 172 return false; |
604 | 173 } |
174 | |
4329 | 175 int |
3523 | 176 read_binary_file_header (std::istream& is, bool& swap, |
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177 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 178 { |
3552 | 179 const int magic_len = 10; |
180 char magic[magic_len+1]; | |
5760 | 181 is.read (magic, magic_len); |
604 | 182 magic[magic_len] = '\0'; |
3688 | 183 |
604 | 184 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 185 swap = oct_mach_info::words_big_endian (); |
604 | 186 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 187 swap = ! oct_mach_info::words_big_endian (); |
604 | 188 else |
189 { | |
190 if (! quiet) | |
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191 error ("load: unable to read read binary file"); |
604 | 192 return -1; |
193 } | |
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194 |
604 | 195 char tmp = 0; |
5760 | 196 is.read (&tmp, 1); |
604 | 197 |
2318 | 198 flt_fmt = mopt_digit_to_float_format (tmp); |
199 | |
4574 | 200 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 201 { |
202 if (! quiet) | |
203 error ("load: unrecognized binary format!"); | |
3688 | 204 |
604 | 205 return -1; |
206 } | |
207 | |
208 return 0; | |
209 } | |
210 | |
5269 | 211 #ifdef HAVE_ZLIB |
212 static bool | |
213 check_gzip_magic (const std::string& fname) | |
214 { | |
215 bool retval = false; | |
216 std::ifstream file (fname.c_str ()); | |
217 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
218 | |
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219 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f |
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220 && magic[1] == 0x8b) |
5269 | 221 retval = true; |
222 | |
223 file.close (); | |
224 return retval; | |
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225 } |
5269 | 226 #endif |
227 | |
604 | 228 static load_save_format |
6625 | 229 get_file_format (std::istream& file, const std::string& filename) |
604 | 230 { |
231 load_save_format retval = LS_UNKNOWN; | |
232 | |
4574 | 233 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 234 |
3019 | 235 bool swap = false; |
236 | |
237 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 238 retval = LS_BINARY; |
239 else | |
240 { | |
6202 | 241 file.clear (); |
3538 | 242 file.seekg (0, std::ios::beg); |
604 | 243 |
5828 | 244 int32_t mopt, nr, nc, imag, len; |
1180 | 245 |
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246 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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247 true); |
1180 | 248 |
249 if (! err) | |
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250 retval = LS_MAT_BINARY; |
604 | 251 else |
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252 { |
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253 file.clear (); |
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254 file.seekg (0, std::ios::beg); |
604 | 255 |
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256 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 257 |
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258 if (! err) |
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259 { |
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260 file.clear (); |
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261 file.seekg (0, std::ios::beg); |
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262 retval = LS_MAT5_BINARY; |
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263 } |
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264 else |
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265 { |
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266 file.clear (); |
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267 file.seekg (0, std::ios::beg); |
3688 | 268 |
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269 std::string name_val = extract_keyword (file, "name"); |
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270 std::string type_val = extract_keyword (file, "type"); |
4171 | 271 |
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272 if (name_val.empty () != true && type_val.empty () != true) |
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273 retval = LS_TEXT; |
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274 else |
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275 { |
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276 file.clear (); |
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277 file.seekg (0, std::ios::beg); |
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278 |
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279 // FIXME: looks_like_mat_ascii_file does not check to see |
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280 // whether the file contains numbers. It just skips comments |
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281 // and checks for the same number of words on each line. We |
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282 // may need a better check here. The best way to do that |
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283 // might be just to try to read the file and see if it works. |
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284 |
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285 if (looks_like_mat_ascii_file (file, filename)) |
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286 retval = LS_MAT_ASCII; |
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287 } |
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288 } |
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289 } |
604 | 290 } |
291 | |
5269 | 292 return retval; |
293 } | |
5977 | 294 |
5269 | 295 static load_save_format |
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296 get_file_format (const std::string& fname, const std::string& orig_fname, |
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297 bool &use_zlib, bool quiet = false) |
5269 | 298 { |
299 load_save_format retval = LS_UNKNOWN; | |
300 | |
301 #ifdef HAVE_HDF5 | |
302 // check this before we open the file | |
303 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
304 return LS_HDF5; | |
305 #endif /* HAVE_HDF5 */ | |
604 | 306 |
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307 #ifdef HAVE_ZLIB |
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308 use_zlib = check_gzip_magic (fname); |
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309 #else |
5269 | 310 use_zlib = false; |
5977 | 311 #endif |
5269 | 312 |
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313 if (! use_zlib) |
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314 { |
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315 std::ifstream file (fname.c_str ()); |
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316 if (file) |
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317 { |
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318 retval = get_file_format (file, orig_fname); |
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319 file.close (); |
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320 } |
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321 else if (! quiet) |
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322 gripe_file_open ("load", orig_fname); |
5269 | 323 } |
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324 #ifdef HAVE_ZLIB |
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325 else |
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326 { |
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327 gzifstream gzfile (fname.c_str ()); |
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328 if (gzfile) |
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329 { |
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330 retval = get_file_format (gzfile, orig_fname); |
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331 gzfile.close (); |
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332 } |
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333 else if (! quiet) |
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334 gripe_file_open ("load", orig_fname); |
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335 } |
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336 #endif |
604 | 337 |
338 return retval; | |
339 } | |
340 | |
4329 | 341 octave_value |
7336 | 342 do_load (std::istream& stream, const std::string& orig_fname, |
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343 load_save_format format, oct_mach_info::float_format flt_fmt, |
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344 bool list_only, bool swap, bool verbose, |
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345 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 346 { |
3727 | 347 octave_value retval; |
348 | |
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349 octave_scalar_map retstruct; |
604 | 350 |
5765 | 351 std::ostringstream output_buf; |
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352 std::list<std::string> symbol_names; |
4051 | 353 |
5754 | 354 octave_idx_type count = 0; |
4051 | 355 |
604 | 356 for (;;) |
357 { | |
3019 | 358 bool global = false; |
2086 | 359 octave_value tc; |
604 | 360 |
4171 | 361 std::string name; |
362 std::string doc; | |
604 | 363 |
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364 switch (format.type) |
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365 { |
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366 case LS_TEXT: |
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367 name = read_text_data (stream, orig_fname, global, tc, count); |
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368 break; |
604 | 369 |
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370 case LS_BINARY: |
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371 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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372 global, tc, doc); |
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373 break; |
604 | 374 |
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375 case LS_MAT_ASCII: |
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376 name = read_mat_ascii_data (stream, orig_fname, tc); |
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377 break; |
2511 | 378 |
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379 case LS_MAT_BINARY: |
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380 name = read_mat_binary_data (stream, orig_fname, tc); |
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381 break; |
604 | 382 |
3687 | 383 #ifdef HAVE_HDF5 |
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384 case LS_HDF5: |
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385 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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386 argv, argv_idx, argc); |
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387 break; |
3687 | 388 #endif /* HAVE_HDF5 */ |
389 | |
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390 case LS_MAT5_BINARY: |
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391 case LS_MAT7_BINARY: |
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392 name = read_mat5_binary_element (stream, orig_fname, swap, |
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393 global, tc); |
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394 break; |
3688 | 395 |
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396 default: |
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397 gripe_unrecognized_data_fmt ("load"); |
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398 break; |
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399 } |
604 | 400 |
4171 | 401 if (error_state || stream.eof () || name.empty ()) |
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402 break; |
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403 else |
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404 { |
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405 if (tc.is_defined ()) |
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406 { |
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407 if (format == LS_MAT_ASCII && argv_idx < argc) |
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408 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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409 orig_fname.c_str ()); |
3136 | 410 |
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411 if (format == LS_MAT_ASCII |
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412 || argv_idx == argc |
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413 || matches_patterns (argv, argv_idx, argc, name)) |
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414 { |
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415 count++; |
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416 if (list_only) |
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417 { |
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418 if (verbose) |
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419 { |
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420 if (count == 1) |
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421 output_buf |
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422 << "type rows cols name\n" |
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423 << "==== ==== ==== ====\n"; |
621 | 424 |
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425 output_buf |
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426 << std::setiosflags (std::ios::left) |
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427 << std::setw (16) << tc.type_name () . c_str () |
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428 << std::setiosflags (std::ios::right) |
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429 << std::setw (7) << tc.rows () |
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430 << std::setw (7) << tc.columns () |
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431 << " " << name << "\n"; |
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432 } |
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433 else |
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434 symbol_names.push_back (name); |
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435 } |
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436 else |
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437 { |
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438 if (nargout == 1) |
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439 { |
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440 if (format == LS_MAT_ASCII) |
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441 retval = tc; |
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442 else |
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443 retstruct.assign (name, tc); |
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444 } |
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445 else |
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446 install_loaded_variable (name, tc, global, doc); |
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447 } |
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448 } |
2511 | 449 |
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450 // Only attempt to read one item from a headless text file. |
2511 | 451 |
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452 if (format == LS_MAT_ASCII) |
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453 break; |
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454 } |
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455 else |
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456 error ("load: unable to load variable '%s'", name.c_str ()); |
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457 } |
604 | 458 } |
459 | |
621 | 460 if (list_only && count) |
461 { | |
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462 if (verbose) |
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463 { |
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464 std::string msg = output_buf.str (); |
2095 | 465 |
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466 if (nargout > 0) |
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467 retval = msg; |
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468 else |
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469 octave_stdout << msg; |
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470 } |
621 | 471 else |
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472 { |
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473 if (nargout > 0) |
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474 retval = Cell (string_vector (symbol_names)); |
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475 else |
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476 { |
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477 string_vector names (symbol_names); |
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478 |
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479 names.list_in_columns (octave_stdout); |
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480 |
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481 octave_stdout << "\n"; |
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482 } |
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483 } |
621 | 484 } |
6639 | 485 else if (retstruct.nfields () != 0) |
3727 | 486 retval = retstruct; |
621 | 487 |
863 | 488 return retval; |
489 } | |
490 | |
6159 | 491 std::string |
492 find_file_to_load (const std::string& name, const std::string& orig_name) | |
493 { | |
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494 std::string fname = find_data_file_in_load_path ("load", name, true); |
6159 | 495 |
6838 | 496 size_t dot_pos = fname.rfind ("."); |
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497 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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498 |
8021 | 499 if (dot_pos == std::string::npos |
500 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 501 { |
6838 | 502 // Either no '.' in name or no '.' appears after last directory |
503 // separator. | |
504 | |
6159 | 505 file_stat fs (fname); |
506 | |
6584 | 507 if (! (fs.exists () && fs.is_reg ())) |
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508 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 509 } |
510 else | |
511 { | |
512 file_stat fs (fname); | |
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513 |
6584 | 514 if (! (fs.exists () && fs.is_reg ())) |
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515 { |
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516 fname = ""; |
6159 | 517 |
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518 error ("load: unable to find file %s", orig_name.c_str ()); |
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519 } |
6159 | 520 } |
521 | |
522 return fname; | |
523 } | |
524 | |
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525 bool |
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526 is_octave_data_file (const std::string& fname) |
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527 { |
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528 bool use_zlib = false; |
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529 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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530 } |
6159 | 531 |
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532 DEFUN (load, args, nargout, |
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533 "-*- texinfo -*-\n\ |
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534 @deftypefn {Command} {} load file\n\ |
11547 | 535 @deftypefnx {Command} {} load options file\n\ |
536 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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537 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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538 @deftypefnx {Command} {} load file options\n\ |
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539 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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540 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 541 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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542 @var{file}.\n\ |
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543 \n\ |
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544 If no variables are specified then all variables found in the\n\ |
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545 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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546 can be full names or use a pattern syntax. The format of the file is\n\ |
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547 automatically detected but may be overridden by supplying the appropriate\n\ |
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548 option.\n\ |
863 | 549 \n\ |
5665 | 550 If load is invoked using the functional form\n\ |
551 \n\ | |
552 @example\n\ | |
7247 | 553 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 554 @end example\n\ |
555 \n\ | |
556 @noindent\n\ | |
557 then the @var{options}, @var{file}, and variable name arguments\n\ | |
558 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
559 \n\ | |
3372 | 560 If a variable that is not marked as global is loaded from a file when a\n\ |
561 global symbol with the same name already exists, it is loaded in the\n\ | |
562 global symbol table. Also, if a variable is marked as global in a file\n\ | |
563 and a local symbol exists, the local symbol is moved to the global\n\ | |
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564 symbol table and given the value from the file.\n\ |
863 | 565 \n\ |
3727 | 566 If invoked with a single output argument, Octave returns data instead\n\ |
567 of inserting variables in the symbol table. If the data file contains\n\ | |
568 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
569 returned. Otherwise, @code{load} returns a structure with members\n\ | |
570 corresponding to the names of the variables in the file.\n\ | |
571 \n\ | |
3372 | 572 The @code{load} command can read data stored in Octave's text and\n\ |
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573 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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574 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 575 detect the type of file and do conversion from different floating point\n\ |
576 formats (currently only IEEE big and little endian, though other formats\n\ | |
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577 may be added in the future).\n\ |
3372 | 578 \n\ |
579 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 580 \n\ |
3372 | 581 @table @code\n\ |
582 @item -force\n\ | |
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583 This option is accepted for backward compatibility but is ignored.\n\ |
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584 Octave now overwrites variables currently in memory with\n\ |
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585 those of the same name found in the file.\n\ |
3372 | 586 \n\ |
587 @item -ascii\n\ | |
5938 | 588 Force Octave to assume the file contains columns of numbers in text format\n\ |
589 without any header or other information. Data in the file will be loaded\n\ | |
590 as a single numeric matrix with the name of the variable derived from the\n\ | |
591 name of the file.\n\ | |
5197 | 592 \n\ |
3372 | 593 @item -binary\n\ |
594 Force Octave to assume the file is in Octave's binary format.\n\ | |
595 \n\ | |
3687 | 596 @item -hdf5\n\ |
10840 | 597 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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598 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 599 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 600 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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601 skip some datasets in formats that it cannot support. This format is\n\ |
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602 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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603 \n\ |
3687 | 604 @item -import\n\ |
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605 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 606 Octave can now support multi-dimensional HDF data and automatically\n\ |
607 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 608 \n\ |
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609 @item -mat\n\ |
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610 @itemx -mat-binary\n\ |
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611 @itemx -6\n\ |
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612 @itemx -v6\n\ |
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613 @itemx -7\n\ |
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614 @itemx -v7\n\ |
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615 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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616 format.\n\ |
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617 \n\ |
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618 @item -mat4-binary\n\ |
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619 @itemx -4\n\ |
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620 @itemx -v4\n\ |
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621 @itemx -V4\n\ |
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622 Force Octave to assume the file is in the binary format written by\n\ |
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623 @sc{matlab} version 4.\n\ |
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624 \n\ |
5198 | 625 @item -text\n\ |
5197 | 626 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 627 @end table\n\ |
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628 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 629 @end deftypefn") |
863 | 630 { |
2086 | 631 octave_value_list retval; |
863 | 632 |
1755 | 633 int argc = args.length () + 1; |
634 | |
1968 | 635 string_vector argv = args.make_argv ("load"); |
1755 | 636 |
637 if (error_state) | |
638 return retval; | |
863 | 639 |
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640 int i = 1; |
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641 std::string orig_fname = ""; |
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642 |
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643 // Function called with Matlab-style ["filename", options] syntax |
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644 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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645 { |
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646 orig_fname = argv[1]; |
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647 i++; |
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648 } |
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649 |
1358 | 650 // It isn't necessary to have the default load format stored in a |
651 // user preference variable since we can determine the type of file | |
652 // as we are reading. | |
863 | 653 |
654 load_save_format format = LS_UNKNOWN; | |
655 | |
3019 | 656 bool list_only = false; |
657 bool verbose = false; | |
863 | 658 |
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659 //for (i; i < argc; i++) |
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660 for (; i < argc; i++) |
863 | 661 { |
1755 | 662 if (argv[i] == "-force" || argv[i] == "-f") |
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663 { |
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664 // Silently ignore this |
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665 // warning ("load: -force ignored"); |
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666 } |
1755 | 667 else if (argv[i] == "-list" || argv[i] == "-l") |
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668 { |
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669 list_only = true; |
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670 } |
1755 | 671 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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672 { |
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673 verbose = true; |
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674 } |
1755 | 675 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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676 { |
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677 format = LS_MAT_ASCII; |
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678 } |
1755 | 679 else if (argv[i] == "-binary" || argv[i] == "-b") |
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680 { |
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681 format = LS_BINARY; |
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682 } |
5269 | 683 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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684 || argv[i] == "-6" || argv[i] == "-v6") |
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685 { |
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686 format = LS_MAT5_BINARY; |
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687 } |
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688 else if (argv[i] == "-7" || argv[i] == "-v7") |
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689 { |
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690 format = LS_MAT7_BINARY; |
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691 } |
5256 | 692 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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693 || argv[i] == "-v4" || argv[i] == "-4") |
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694 { |
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695 format = LS_MAT_BINARY; |
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696 } |
3687 | 697 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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698 { |
3687 | 699 #ifdef HAVE_HDF5 |
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700 format = LS_HDF5; |
3687 | 701 #else /* ! HAVE_HDF5 */ |
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702 error ("load: octave executable was not linked with HDF5 library"); |
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703 return retval; |
3687 | 704 #endif /* ! HAVE_HDF5 */ |
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705 } |
3687 | 706 else if (argv[i] == "-import" || argv[i] == "-i") |
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707 { |
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708 warning ("load: -import ignored"); |
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709 } |
5197 | 710 else if (argv[i] == "-text" || argv[i] == "-t") |
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711 { |
20657
c6224b4e7774
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712 format = LS_TEXT; |
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713 } |
863 | 714 else |
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715 break; |
863 | 716 } |
717 | |
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718 if (orig_fname == "") |
863 | 719 { |
12895
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|
720 if (i == argc) |
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721 { |
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Allow Matlab-style syntax for load command (Bug #33527).
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722 print_usage (); |
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Allow Matlab-style syntax for load command (Bug #33527).
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723 return retval; |
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Allow Matlab-style syntax for load command (Bug #33527).
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|
724 } |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
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|
725 else |
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|
726 orig_fname = argv[i]; |
863 | 727 } |
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728 else |
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|
729 i--; |
863 | 730 |
4574 | 731 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 732 |
3019 | 733 bool swap = false; |
863 | 734 |
12895
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|
735 if (orig_fname == "-") |
863 | 736 { |
1755 | 737 i++; |
863 | 738 |
3687 | 739 #ifdef HAVE_HDF5 |
740 if (format == LS_HDF5) | |
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741 error ("load: cannot read HDF5 format from stdin"); |
3687 | 742 else |
743 #endif /* HAVE_HDF5 */ | |
863 | 744 if (format != LS_UNKNOWN) |
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745 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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diff
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|
746 // FIXME: if we have already seen EOF on a previous call, |
870f3e12e163
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Rik <rik@octave.org>
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|
747 // how do we fix up the state of std::cin so that we can get |
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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748 // additional input? I'm afraid that we can't fix this |
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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|
749 // using std::cin only. |
3531 | 750 |
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751 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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752 list_only, swap, verbose, argv, i, argc, |
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753 nargout); |
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754 } |
863 | 755 else |
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756 error ("load: must specify file format if reading from stdin"); |
863 | 757 } |
758 else | |
759 { | |
12895
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diff
changeset
|
760 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 761 |
762 fname = find_file_to_load (fname, orig_fname); | |
863 | 763 |
6159 | 764 if (error_state) |
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|
765 return retval; |
6159 | 766 |
767 bool use_zlib = false; | |
5089 | 768 |
863 | 769 if (format == LS_UNKNOWN) |
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770 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 771 |
3687 | 772 #ifdef HAVE_HDF5 |
773 if (format == LS_HDF5) | |
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|
774 { |
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775 i++; |
3687 | 776 |
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777 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 778 |
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779 if (hdf5_file.file_id >= 0) |
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780 { |
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781 retval = do_load (hdf5_file, orig_fname, format, |
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782 flt_fmt, list_only, swap, verbose, |
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783 argv, i, argc, nargout); |
4844 | 784 |
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785 hdf5_file.close (); |
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786 } |
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787 else |
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788 gripe_file_open ("load", orig_fname); |
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789 } |
3687 | 790 else |
791 #endif /* HAVE_HDF5 */ | |
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792 // don't insert any statements here; the "else" above has to |
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793 // go with the "if" below!!!!! |
863 | 794 if (format != LS_UNKNOWN) |
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795 { |
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796 i++; |
863 | 797 |
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798 // Always open in binary mode and handle various |
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799 // line-endings explicitly. |
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800 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 801 |
5269 | 802 #ifdef HAVE_ZLIB |
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803 if (use_zlib) |
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804 { |
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805 gzifstream file (fname.c_str (), mode); |
863 | 806 |
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807 if (file) |
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808 { |
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809 if (format == LS_BINARY) |
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810 { |
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811 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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|
812 { |
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|
813 if (file) file.close (); |
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|
814 return retval; |
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|
815 } |
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|
816 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
changeset
|
817 else if (format == LS_MAT5_BINARY |
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818 || format == LS_MAT7_BINARY) |
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|
819 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
820 if (read_mat5_binary_file_header (file, swap, false, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
821 orig_fname) < 0) |
10315
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822 { |
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|
823 if (file) file.close (); |
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|
824 return retval; |
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|
825 } |
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|
826 } |
5269 | 827 |
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828 retval = do_load (file, orig_fname, format, |
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829 flt_fmt, list_only, swap, verbose, |
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830 argv, i, argc, nargout); |
5269 | 831 |
10315
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832 file.close (); |
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|
833 } |
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|
834 else |
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835 gripe_file_open ("load", orig_fname); |
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836 } |
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837 else |
5269 | 838 #endif |
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839 { |
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840 std::ifstream file (fname.c_str (), mode); |
5269 | 841 |
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842 if (file) |
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843 { |
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844 if (format == LS_BINARY) |
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845 { |
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846 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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847 { |
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848 if (file) file.close (); |
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849 return retval; |
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850 } |
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851 } |
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852 else if (format == LS_MAT5_BINARY |
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853 || format == LS_MAT7_BINARY) |
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854 { |
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855 if (read_mat5_binary_file_header (file, swap, false, |
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856 orig_fname) < 0) |
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857 { |
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858 if (file) file.close (); |
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859 return retval; |
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860 } |
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861 } |
5269 | 862 |
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863 retval = do_load (file, orig_fname, format, |
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864 flt_fmt, list_only, swap, verbose, |
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865 argv, i, argc, nargout); |
5269 | 866 |
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867 file.close (); |
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868 } |
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869 else |
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870 error ("load: unable to open input file '%s'", |
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871 orig_fname.c_str ()); |
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872 } |
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873 } |
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874 else |
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875 { |
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876 error ("load: unable to determine file format of '%s'", |
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877 orig_fname.c_str ()); |
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878 } |
863 | 879 } |
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880 |
604 | 881 return retval; |
882 } | |
883 | |
3019 | 884 // Return TRUE if PATTERN has any special globbing chars in it. |
885 | |
886 static bool | |
3523 | 887 glob_pattern_p (const std::string& pattern) |
604 | 888 { |
889 int open = 0; | |
890 | |
1755 | 891 int len = pattern.length (); |
892 | |
893 for (int i = 0; i < len; i++) | |
604 | 894 { |
1755 | 895 char c = pattern[i]; |
896 | |
604 | 897 switch (c) |
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898 { |
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899 case '?': |
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900 case '*': |
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901 return true; |
604 | 902 |
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903 case '[': // Only accept an open brace if there is a close |
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904 open++; // brace to match it. Bracket expressions must be |
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905 continue; // complete, according to Posix.2 |
604 | 906 |
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907 case ']': |
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908 if (open) |
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909 return true; |
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910 continue; |
4402 | 911 |
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912 case '\\': |
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913 if (i == len - 1) |
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914 return false; |
604 | 915 |
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916 default: |
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917 continue; |
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918 } |
604 | 919 } |
920 | |
3019 | 921 return false; |
604 | 922 } |
923 | |
4791 | 924 static void |
925 do_save (std::ostream& os, const octave_value& tc, | |
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926 const std::string& name, const std::string& help, |
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927 bool global, load_save_format fmt, bool save_as_floats) |
604 | 928 { |
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929 switch (fmt.type) |
604 | 930 { |
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931 case LS_TEXT: |
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932 save_text_data (os, tc, name, global, 0); |
604 | 933 break; |
934 | |
935 case LS_BINARY: | |
630 | 936 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 937 break; |
938 | |
5938 | 939 case LS_MAT_ASCII: |
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940 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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941 fmt.opts & LS_MAT_ASCII_TABS)) |
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942 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 943 break; |
944 | |
667 | 945 case LS_MAT_BINARY: |
946 save_mat_binary_data (os, tc, name); | |
947 break; | |
948 | |
3687 | 949 #ifdef HAVE_HDF5 |
950 case LS_HDF5: | |
951 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
952 break; | |
953 #endif /* HAVE_HDF5 */ | |
954 | |
3688 | 955 case LS_MAT5_BINARY: |
5269 | 956 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
957 break; | |
958 | |
959 case LS_MAT7_BINARY: | |
960 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 961 break; |
962 | |
604 | 963 default: |
775 | 964 gripe_unrecognized_data_fmt ("save"); |
604 | 965 break; |
966 } | |
967 } | |
968 | |
4791 | 969 // Save the info from SR on stream OS in the format specified by FMT. |
970 | |
971 void | |
7336 | 972 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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973 load_save_format fmt, bool save_as_floats) |
4791 | 974 { |
7336 | 975 octave_value val = sr.varval (); |
4791 | 976 |
7336 | 977 if (val.is_defined ()) |
4791 | 978 { |
7336 | 979 std::string name = sr.name (); |
980 std::string help; | |
981 bool global = sr.is_global (); | |
4791 | 982 |
7336 | 983 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 984 } |
985 } | |
986 | |
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987 // save fields of a scalar structure STR matching PATTERN on stream OS |
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988 // in the format specified by FMT. |
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989 |
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990 static size_t |
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991 save_fields (std::ostream& os, const octave_scalar_map& m, |
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992 const std::string& pattern, |
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993 load_save_format fmt, bool save_as_floats) |
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994 { |
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995 glob_match pat (pattern); |
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996 |
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997 size_t saved = 0; |
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998 |
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999 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1000 { |
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1001 std::string empty_str; |
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1002 |
14861
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1003 if (pat.match (m.key (p))) |
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1004 { |
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1005 do_save (os, m.contents (p), m.key (p), empty_str, |
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1006 0, fmt, save_as_floats); |
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1007 |
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1008 saved++; |
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1009 } |
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1010 } |
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1011 |
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1012 return saved; |
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1013 } |
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1014 |
604 | 1015 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1016 // format specified by FMT. |
604 | 1017 |
7336 | 1018 static size_t |
5794 | 1019 save_vars (std::ostream& os, const std::string& pattern, |
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1020 load_save_format fmt, bool save_as_floats) |
604 | 1021 { |
7336 | 1022 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1023 | |
1024 size_t saved = 0; | |
3355 | 1025 |
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1026 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1027 const_vars_iterator; |
3355 | 1028 |
7336 | 1029 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1030 { |
7336 | 1031 do_save (os, *p, fmt, save_as_floats); |
620 | 1032 |
1033 if (error_state) | |
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1034 break; |
7336 | 1035 |
1036 saved++; | |
620 | 1037 } |
604 | 1038 |
1039 return saved; | |
1040 } | |
1041 | |
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1042 static string_vector |
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1043 parse_save_options (const string_vector &argv, |
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1044 load_save_format &format, bool &append, |
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1045 bool &save_as_floats, bool &use_zlib) |
604 | 1046 { |
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1047 string_vector retval; |
20442
a9574e3c6e9e
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1048 int argc = argv.numel (); |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1049 |
18099
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
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17861
diff
changeset
|
1050 bool do_double = false; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
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diff
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|
1051 bool do_tabs = false; |
8418
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
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|
1052 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1053 for (int i = 0; i < argc; i++) |
5284 | 1054 { |
1055 if (argv[i] == "-append") | |
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|
1056 { |
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|
1057 append = true; |
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|
1058 } |
5284 | 1059 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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|
1060 { |
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1061 format = LS_MAT_ASCII; |
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|
1062 } |
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|
1063 else if (argv[i] == "-double") |
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|
1064 { |
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|
1065 do_double = true; |
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|
1066 } |
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|
1067 else if (argv[i] == "-tabs") |
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|
1068 { |
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|
1069 do_tabs = true; |
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|
1070 } |
5284 | 1071 else if (argv[i] == "-text" || argv[i] == "-t") |
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|
1072 { |
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20653
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|
1073 format = LS_TEXT; |
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1074 } |
5284 | 1075 else if (argv[i] == "-binary" || argv[i] == "-b") |
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|
1076 { |
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|
1077 format = LS_BINARY; |
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|
1078 } |
5284 | 1079 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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|
1080 { |
3687 | 1081 #ifdef HAVE_HDF5 |
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|
1082 format = LS_HDF5; |
5284 | 1083 #else /* ! HAVE_HDF5 */ |
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|
1084 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1085 #endif /* ! HAVE_HDF5 */ |
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|
1086 } |
11586
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|
1087 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1088 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1089 || argv[i] == "-V6") |
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|
1090 { |
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1091 format = LS_MAT5_BINARY; |
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1092 } |
5284 | 1093 #ifdef HAVE_ZLIB |
11586
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1094 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1095 || argv[i] == "-v7" || argv[i] == "-V7") |
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1096 { |
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|
1097 format = LS_MAT7_BINARY; |
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|
1098 } |
5284 | 1099 #endif |
1100 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1101 || argv[i] == "-v4" || argv[i] == "-4") |
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1102 { |
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1103 format = LS_MAT_BINARY; |
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1104 } |
5284 | 1105 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1106 { |
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|
1107 format = LS_BINARY; |
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1108 save_as_floats = true; |
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1109 } |
5284 | 1110 else if (argv[i] == "-float-hdf5") |
10315
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1111 { |
5284 | 1112 #ifdef HAVE_HDF5 |
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1113 format = LS_HDF5; |
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1114 save_as_floats = true; |
5284 | 1115 #else /* ! HAVE_HDF5 */ |
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1116 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1117 #endif /* ! HAVE_HDF5 */ |
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1118 } |
5284 | 1119 #ifdef HAVE_ZLIB |
1120 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1121 { |
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1122 use_zlib = true; |
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1123 } |
5284 | 1124 #endif |
15571
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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|
1125 else if (argv[i] == "-struct") |
7b9551c65b7b
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Rik <rik@octave.org>
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|
1126 { |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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|
1127 retval.append (argv[i]); |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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|
1128 } |
18510
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
Mike Miller <mtmiller@ieee.org>
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17861
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changeset
|
1129 else if (argv[i][0] == '-' && argv[i] != "-") |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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|
1130 { |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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15467
diff
changeset
|
1131 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
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Rik <rik@octave.org>
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1132 } |
5284 | 1133 else |
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1134 retval.append (argv[i]); |
5284 | 1135 } |
1136 | |
8418
679c22082ac7
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1137 if (do_double) |
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1138 { |
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|
1139 if (format == LS_MAT_ASCII) |
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1140 format.opts |= LS_MAT_ASCII_LONG; |
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1141 else |
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1142 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1143 } |
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1144 |
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1145 if (do_tabs) |
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1146 { |
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1147 if (format == LS_MAT_ASCII) |
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1148 format.opts |= LS_MAT_ASCII_TABS; |
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1149 else |
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1150 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1151 } |
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1152 |
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1153 return retval; |
5284 | 1154 } |
1155 | |
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1156 static string_vector |
11586
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1157 parse_save_options (const std::string &arg, load_save_format &format, |
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1158 bool &append, bool &save_as_floats, |
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1159 bool &use_zlib) |
5284 | 1160 { |
5765 | 1161 std::istringstream is (arg); |
5284 | 1162 std::string str; |
1163 string_vector argv; | |
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1164 |
5765 | 1165 while (! is.eof ()) |
5284 | 1166 { |
1167 is >> str; | |
1168 argv.append (str); | |
1169 } | |
1170 | |
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1171 return parse_save_options (argv, format, append, save_as_floats, |
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1172 use_zlib); |
604 | 1173 } |
1174 | |
4329 | 1175 void |
3523 | 1176 write_header (std::ostream& os, load_save_format format) |
863 | 1177 { |
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1178 switch (format.type) |
863 | 1179 { |
3185 | 1180 case LS_BINARY: |
1181 { | |
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1182 os << (oct_mach_info::words_big_endian () |
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1183 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1184 |
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1185 oct_mach_info::float_format flt_fmt = |
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1186 oct_mach_info::native_float_format (); |
3185 | 1187 |
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1188 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1189 |
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1190 os.write (&tmp, 1); |
3185 | 1191 } |
3688 | 1192 break; |
1193 | |
1194 case LS_MAT5_BINARY: | |
5269 | 1195 case LS_MAT7_BINARY: |
3688 | 1196 { |
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1197 char const * versionmagic; |
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1198 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1199 char headertext[128]; |
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1200 octave_gmtime now; |
3688 | 1201 |
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1202 // ISO 8601 format date |
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1203 const char *matlab_format = "MATLAB 5.0 MAT-file, written by Octave " |
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1204 OCTAVE_VERSION ", %Y-%m-%d %T UTC"; |
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1205 std::string comment_string = now.strftime (matlab_format); |
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1206 |
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1207 size_t len = std::min (comment_string.length (), static_cast<size_t> (124)); |
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1208 memset (headertext, ' ', 124); |
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1209 memcpy (headertext, comment_string.data (), len); |
3688 | 1210 |
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1211 // The first pair of bytes give the version of the MAT file |
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1212 // format. The second pair of bytes form a magic number which |
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1213 // signals a MAT file. MAT file data are always written in |
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1214 // native byte order. The order of the bytes in the second |
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1215 // pair indicates whether the file was written by a big- or |
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1216 // little-endian machine. However, the version number is |
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1217 // written in the *opposite* byte order from everything else! |
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1218 if (number == 1) |
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1219 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1220 else |
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1221 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1222 |
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1223 memcpy (headertext+124, versionmagic, 4); |
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1224 os.write (headertext, 128); |
3688 | 1225 } |
1226 | |
1227 break; | |
3185 | 1228 |
3687 | 1229 #ifdef HAVE_HDF5 |
1230 case LS_HDF5: | |
1231 #endif /* HAVE_HDF5 */ | |
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
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diff
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|
1232 case LS_TEXT: |
3185 | 1233 { |
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1234 octave_localtime now; |
3709 | 1235 |
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|
1236 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1237 |
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1238 if (! comment_string.empty ()) |
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1239 { |
3687 | 1240 #ifdef HAVE_HDF5 |
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1241 if (format == LS_HDF5) |
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1242 { |
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1243 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1244 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1245 } |
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1246 else |
3687 | 1247 #endif /* HAVE_HDF5 */ |
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1248 os << comment_string << "\n"; |
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1249 } |
3185 | 1250 } |
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175b392e91fe
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Rik <rik@octave.org>
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|
1251 break; |
3185 | 1252 |
1253 default: | |
1254 break; | |
863 | 1255 } |
1256 } | |
1257 | |
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|
1258 void |
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1259 octave_prepare_hdf5 (void) |
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1260 { |
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|
1261 #ifdef HAVE_HDF5 |
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1262 H5dont_atexit (); |
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|
1263 #endif |
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1264 } |
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|
1265 |
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1266 void |
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|
1267 octave_finalize_hdf5 (void) |
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1268 { |
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|
1269 #ifdef HAVE_HDF5 |
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|
1270 H5close (); |
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1271 #endif |
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1272 } |
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1273 |
863 | 1274 static void |
3769 | 1275 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1276 std::ostream& os, load_save_format fmt, |
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1277 bool save_as_floats, bool write_header_info) |
863 | 1278 { |
3185 | 1279 if (write_header_info) |
1280 write_header (os, fmt); | |
863 | 1281 |
1755 | 1282 if (argv_idx == argc) |
863 | 1283 { |
5794 | 1284 save_vars (os, "*", fmt, save_as_floats); |
863 | 1285 } |
7635
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Jaroslav Hajek <highegg@gmail.com>
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1286 else if (argv[argv_idx] == "-struct") |
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1287 { |
11586
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1288 if (++argv_idx >= argc) |
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1289 { |
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1290 error ("save: missing struct name"); |
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1291 return; |
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1292 } |
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1293 |
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1294 std::string struct_name = argv[argv_idx]; |
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1295 |
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1296 if (! symbol_table::is_variable (struct_name)) |
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1297 { |
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|
1298 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1299 return; |
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1300 } |
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|
1301 |
16442
302157614308
deprecate symbol_table::varref functions
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|
1302 octave_value struct_var = symbol_table::varval (struct_name); |
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1303 |
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1304 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1305 { |
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1306 error ("save: '%s' is not a scalar structure", |
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1307 struct_name.c_str ()); |
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1308 return; |
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1309 } |
11059
4ffa19147604
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Jaroslav Hajek <highegg@gmail.com>
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|
1310 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1311 |
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1312 ++argv_idx; |
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1313 |
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1314 if (argv_idx < argc) |
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1315 { |
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1316 for (int i = argv_idx; i < argc; i++) |
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1317 { |
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1318 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1319 save_as_floats)) |
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1320 { |
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1321 warning ("save: no such field '%s.%s'", |
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1322 struct_name.c_str (), argv[i].c_str ()); |
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1323 } |
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1324 } |
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1325 } |
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1326 else |
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1327 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1328 } |
863 | 1329 else |
1330 { | |
1755 | 1331 for (int i = argv_idx; i < argc; i++) |
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1332 { |
17349
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
Rik <rik@octave.org>
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|
1333 if (argv[i] == "") |
cb27dbf9e4ba
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|
1334 continue; // Skip empty vars for Matlab compatibility |
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1335 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1336 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1337 } |
863 | 1338 } |
1339 } | |
1340 | |
5284 | 1341 static void |
1342 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1343 bool save_as_floats) |
4791 | 1344 { |
1345 write_header (os, fmt); | |
1346 | |
7767
71f068b22fcc
scope and context fixes for function handles
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1347 std::list<symbol_table::symbol_record> vars |
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1348 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1349 |
1350 double save_mem_size = 0; | |
1351 | |
17787
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1352 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1353 const_vars_iterator; |
7336 | 1354 |
1355 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1356 { |
7336 | 1357 octave_value val = p->varval (); |
4791 | 1358 |
7336 | 1359 if (val.is_defined ()) |
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1360 { |
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1361 std::string name = p->name (); |
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1362 std::string help; |
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1363 bool global = p->is_global (); |
4791 | 1364 |
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1365 double val_size = val.byte_size () / 1024; |
4791 | 1366 |
17787
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1367 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1368 |
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1369 if (Voctave_core_file_limit < 0 |
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1370 || save_mem_size + val_size < Voctave_core_file_limit) |
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1371 { |
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1372 save_mem_size += val_size; |
4791 | 1373 |
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1374 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1375 |
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1376 if (error_state) |
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1377 break; |
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1378 } |
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1379 } |
4791 | 1380 } |
1381 | |
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|
1382 message (0, "save to '%s' complete", fname); |
4791 | 1383 } |
1384 | |
1385 void | |
1386 dump_octave_core (void) | |
1380 | 1387 { |
3189 | 1388 if (Vcrash_dumps_octave_core) |
1380 | 1389 { |
17787
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1390 // FIXME: should choose better file name? |
3189 | 1391 |
4791 | 1392 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1393 |
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|
1394 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1395 |
5284 | 1396 load_save_format format = LS_BINARY; |
1397 | |
1398 bool save_as_floats = false; | |
1399 | |
1400 bool append = false; | |
3189 | 1401 |
5284 | 1402 bool use_zlib = false; |
1403 | |
11586
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strip trailing whitespace from source files
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1404 parse_save_options (Voctave_core_file_options, format, append, |
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1405 save_as_floats, use_zlib); |
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|
1406 |
5284 | 1407 std::ios::openmode mode = std::ios::out; |
4791 | 1408 |
6625 | 1409 // Matlab v7 files are always compressed |
1410 if (format == LS_MAT7_BINARY) | |
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1411 use_zlib = false; |
6625 | 1412 |
4791 | 1413 if (format == LS_BINARY |
1414 #ifdef HAVE_HDF5 | |
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1415 || format == LS_HDF5 |
4791 | 1416 #endif |
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1417 || format == LS_MAT_BINARY |
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1418 || format == LS_MAT5_BINARY |
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1419 || format == LS_MAT7_BINARY) |
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1420 mode |= std::ios::binary; |
3189 | 1421 |
5284 | 1422 mode |= append ? std::ios::ate : std::ios::trunc; |
1423 | |
3687 | 1424 #ifdef HAVE_HDF5 |
1425 if (format == LS_HDF5) | |
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1426 { |
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|
1427 hdf5_ofstream file (fname, mode); |
3687 | 1428 |
10315
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1429 if (file.file_id >= 0) |
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|
1430 { |
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1431 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1432 |
10315
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1433 file.close (); |
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1434 } |
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1435 else |
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|
1436 warning ("unable to open '%s' for writing...", fname); |
10315
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1437 } |
3189 | 1438 else |
3687 | 1439 #endif /* HAVE_HDF5 */ |
10315
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1440 // don't insert any commands here! The open brace below must |
57a59eae83cc
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1441 // go with the else above! |
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1442 { |
5284 | 1443 #ifdef HAVE_ZLIB |
10315
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1444 if (use_zlib) |
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1445 { |
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1446 gzofstream file (fname, mode); |
4791 | 1447 |
10315
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|
1448 if (file) |
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|
1449 { |
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|
1450 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1451 |
10315
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|
1452 file.close (); |
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|
1453 } |
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|
1454 else |
15466
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John W. Eaton <jwe@octave.org>
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|
1455 warning ("unable to open '%s' for writing...", fname); |
10315
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1456 } |
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|
1457 else |
5284 | 1458 #endif |
10315
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1459 { |
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|
1460 std::ofstream file (fname, mode); |
11586
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strip trailing whitespace from source files
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|
1461 |
10315
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|
1462 if (file) |
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|
1463 { |
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|
1464 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1465 |
10315
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|
1466 file.close (); |
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|
1467 } |
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|
1468 else |
15466
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John W. Eaton <jwe@octave.org>
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|
1469 warning ("unable to open '%s' for writing...", fname); |
10315
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|
1470 } |
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|
1471 } |
1380 | 1472 } |
1473 } | |
1474 | |
20022
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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19898
diff
changeset
|
1475 DEFUN (save, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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diff
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|
1476 "-*- texinfo -*-\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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11547
diff
changeset
|
1477 @deftypefn {Command} {} save file\n\ |
11547 | 1478 @deftypefnx {Command} {} save options file\n\ |
1479 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1480 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
20022
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
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|
1481 @deftypefnx {Command} {} save @code{\"-\"} @var{v1} @var{v2} @dots{}\n\ |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
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|
1482 @deftypefnx {Built-in Function} {@var{s} =} save (@code{\"-\"} @var{v1} @var{v2} @dots{})\n\ |
7247 | 1483 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
20382
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20071
diff
changeset
|
1484 @var{file}.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
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diff
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|
1485 \n\ |
4f45eaf83908
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Rik <rik@octave.org>
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20071
diff
changeset
|
1486 The special filename @samp{-} may be used to return the\n\ |
19344
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1487 content of the variables as a string. If no variable names are listed,\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1488 Octave saves all the variables in the current scope. Otherwise, full\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1489 variable names or pattern syntax can be used to specify the variables to\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1490 save. If the @option{-struct} modifier is used, fields @var{f1} @var{f2}\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1491 @dots{} of the scalar structure @var{STRUCT} are saved as if they were\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1492 variables with corresponding names. Valid options for the @code{save}\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1493 command are listed in the following table. Options that modify the output\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19222
diff
changeset
|
1494 format override the format specified by @code{save_default_options}.\n\ |
3372 | 1495 \n\ |
5665 | 1496 If save is invoked using the functional form\n\ |
1497 \n\ | |
1498 @example\n\ | |
7247 | 1499 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1500 @end example\n\ |
1501 \n\ | |
1502 @noindent\n\ | |
1503 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1504 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1505 \n\ |
20022
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if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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|
1506 If called with a filename of @qcode{\"-\"}, write the output to stdout\n\ |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
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|
1507 if nargout is 0, otherwise return the output in a character string.\n\ |
bafcfc5b99af
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|
1508 \n\ |
3372 | 1509 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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12642
diff
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|
1510 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
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|
1511 Append to the destination instead of overwriting.\n\ |
13929
9cae456085c2
Grammarcheck of documentation before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
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13026
diff
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|
1512 \n\ |
3372 | 1513 @item -ascii\n\ |
9306
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|
1514 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1515 \n\ |
3372 | 1516 @item -binary\n\ |
1517 Save the data in Octave's binary data format.\n\ | |
1518 \n\ | |
1519 @item -float-binary\n\ | |
1520 Save the data in Octave's binary data format but only using single\n\ | |
9306
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|
1521 precision. Only use this format if you know that all the\n\ |
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|
1522 values to be saved can be represented in single precision.\n\ |
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|
1523 \n\ |
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|
1524 @item -hdf5\n\ |
10840 | 1525 Save the data in @sc{hdf5} format.\n\ |
9306
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|
1526 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1527 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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|
1528 This format is only available if Octave was built with a link to the\n\ |
b64b82721062
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|
1529 @sc{hdf5} libraries.\n\ |
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1530 \n\ |
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|
1531 @item -float-hdf5\n\ |
10840 | 1532 Save the data in @sc{hdf5} format but only using single precision.\n\ |
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|
1533 Only use this format if you know that all the\n\ |
3372 | 1534 values to be saved can be represented in single precision.\n\ |
1535 \n\ | |
17170
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doc: Periodic grammarcheck of documentation.
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changeset
|
1536 @item -V7\n\ |
5269 | 1537 @itemx -v7\n\ |
1538 @itemx -7\n\ | |
1539 @itemx -mat7-binary\n\ | |
12160
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|
1540 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
b64b82721062
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|
1541 \n\ |
17170
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Rik <rik@octave.org>
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16892
diff
changeset
|
1542 @item -V6\n\ |
5284 | 1543 @itemx -v6\n\ |
5269 | 1544 @itemx -6\n\ |
1545 @itemx -mat\n\ | |
4884 | 1546 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9039
diff
changeset
|
1547 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1548 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
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changeset
|
1549 @item -V4\n\ |
5256 | 1550 @itemx -v4\n\ |
1551 @itemx -4\n\ | |
1552 @itemx -mat4-binary\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
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diff
changeset
|
1553 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1554 \n\ |
9306
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|
1555 @item -text\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1556 Save the data in Octave's text data format. (default).\n\ |
3687 | 1557 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
16892
diff
changeset
|
1558 @item -zip\n\ |
5269 | 1559 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1560 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1561 that are compressed with gzip outside of octave, and gzip can equally be\n\ |
12160
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
1562 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
1563 This option is only available if Octave was built with a link to the zlib\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
1564 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
1565 @end table\n\ |
604 | 1566 \n\ |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1567 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1568 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
parents:
14268
diff
changeset
|
1569 \n\ |
3372 | 1570 @table @code\n\ |
1571 @item ?\n\ | |
1572 Match any single character.\n\ | |
1573 \n\ | |
1574 @item *\n\ | |
1575 Match zero or more characters.\n\ | |
1576 \n\ | |
1577 @item [ @var{list} ]\n\ | |
1578 Match the list of characters specified by @var{list}. If the first\n\ | |
1579 character is @code{!} or @code{^}, match all characters except those\n\ | |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1580 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
12642
f96b9b9f141b
doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1581 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
John W. Eaton <jwe@octave.org>
parents:
7635
diff
changeset
|
1582 \n\ |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1583 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1584 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1585 \n\ |
3372 | 1586 @end table\n\ |
1587 \n\ | |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1588 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1589 @samp{-ascii} format, saving global\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1590 variables also saves the global status of the variable. If the variable\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1591 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1592 global variable.\n\ |
1593 \n\ | |
1594 The command\n\ | |
1595 \n\ | |
1596 @example\n\ | |
1597 save -binary data a b*\n\ | |
1598 @end example\n\ | |
1599 \n\ | |
1600 @noindent\n\ | |
1601 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1602 the file @file{data} in Octave's binary format.\n\ | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1603 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1604 @end deftypefn") |
604 | 1605 { |
2086 | 1606 octave_value_list retval; |
604 | 1607 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1608 string_vector argv = args.make_argv (); |
1755 | 1609 |
1610 if (error_state) | |
1611 return retval; | |
604 | 1612 |
1358 | 1613 // Here is where we would get the default save format if it were |
1614 // stored in a user preference variable. | |
604 | 1615 |
3019 | 1616 bool save_as_floats = false; |
630 | 1617 |
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20653
diff
changeset
|
1618 load_save_format format = LS_TEXT; |
604 | 1619 |
3185 | 1620 bool append = false; |
1621 | |
5269 | 1622 bool use_zlib = false; |
1623 | |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1624 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1625 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1626 use_zlib); |
5351 | 1627 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1628 // override from command line |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1629 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1630 use_zlib); |
20442
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20382
diff
changeset
|
1631 int argc = argv.numel (); |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1632 int i = 0; |
5197 | 1633 |
5284 | 1634 if (error_state) |
1635 return retval; | |
604 | 1636 |
2057 | 1637 if (i == argc) |
604 | 1638 { |
5823 | 1639 print_usage (); |
604 | 1640 return retval; |
1641 } | |
1642 | |
20657
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20653
diff
changeset
|
1643 if (save_as_floats && format == LS_TEXT) |
630 | 1644 { |
20658
1690807b226c
Fix incorrect error message when saving with -text and -float-binary options.
Rik <rik@octave.org>
parents:
20657
diff
changeset
|
1645 error ("save: cannot specify both -text and -float-binary"); |
630 | 1646 return retval; |
1647 } | |
1648 | |
1755 | 1649 if (argv[i] == "-") |
604 | 1650 { |
1755 | 1651 i++; |
863 | 1652 |
3687 | 1653 #ifdef HAVE_HDF5 |
1654 if (format == LS_HDF5) | |
4687 | 1655 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1656 else |
1657 #endif /* HAVE_HDF5 */ | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1658 // don't insert any commands here! the brace below must go |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1659 // with the "else" above! |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1660 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1661 if (append) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1662 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1663 |
20022
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1664 if (nargout == 0) |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1665 save_vars (argv, i, argc, std::cout, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1666 else |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1667 { |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1668 std::ostringstream output_buf; |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1669 save_vars (argv, i, argc, output_buf, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1670 retval = octave_value (output_buf.str()); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19898
diff
changeset
|
1671 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1672 } |
604 | 1673 } |
1755 | 1674 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
diff
changeset
|
1675 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1676 |
1677 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1678 { | |
5823 | 1679 print_usage (); |
604 | 1680 return retval; |
1681 } | |
1682 else | |
1683 { | |
3523 | 1684 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1685 |
1686 i++; | |
604 | 1687 |
6625 | 1688 // Matlab v7 files are always compressed |
1689 if (format == LS_MAT7_BINARY) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1690 use_zlib = false; |
6625 | 1691 |
6759 | 1692 std::ios::openmode mode |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1693 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1694 |
4791 | 1695 if (format == LS_BINARY |
1696 #ifdef HAVE_HDF5 | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1697 || format == LS_HDF5 |
4791 | 1698 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1699 || format == LS_MAT_BINARY |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1700 || format == LS_MAT5_BINARY |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1701 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1702 mode |= std::ios::binary; |
3538 | 1703 |
3687 | 1704 #ifdef HAVE_HDF5 |
1705 if (format == LS_HDF5) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1706 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
1707 // FIXME: It should be possible to append to HDF5 files. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1708 if (append) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1709 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1710 error ("save: appending to HDF5 files is not implemented"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1711 return retval; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1712 } |
6759 | 1713 |
20071
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
20022
diff
changeset
|
1714 bool write_header_info |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
20022
diff
changeset
|
1715 = ! (append && H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1716 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1717 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1718 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1719 if (hdf5_file.file_id != -1) |
57a59eae83cc
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diff
changeset
|
1720 { |
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changeset
|
1721 save_vars (argv, i, argc, hdf5_file, format, |
57a59eae83cc
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changeset
|
1722 save_as_floats, write_header_info); |
3687 | 1723 |
10315
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untabify src C++ source files
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parents:
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diff
changeset
|
1724 hdf5_file.close (); |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1725 } |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1726 else |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1727 { |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1728 gripe_file_open ("save", fname); |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1729 return retval; |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1730 } |
10315
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untabify src C++ source files
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|
1731 } |
863 | 1732 else |
3687 | 1733 #endif /* HAVE_HDF5 */ |
10315
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untabify src C++ source files
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changeset
|
1734 // don't insert any statements here! The brace below must go |
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|
1735 // with the "else" above! |
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|
1736 { |
5269 | 1737 #ifdef HAVE_ZLIB |
10315
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untabify src C++ source files
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changeset
|
1738 if (use_zlib) |
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|
1739 { |
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untabify src C++ source files
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changeset
|
1740 gzofstream file (fname.c_str (), mode); |
5269 | 1741 |
10315
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diff
changeset
|
1742 if (file) |
57a59eae83cc
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|
1743 { |
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changeset
|
1744 bool write_header_info = ! file.tellp (); |
6760 | 1745 |
10315
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untabify src C++ source files
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changeset
|
1746 save_vars (argv, i, argc, file, format, |
57a59eae83cc
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|
1747 save_as_floats, write_header_info); |
5269 | 1748 |
10315
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changeset
|
1749 file.close (); |
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|
1750 } |
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|
1751 else |
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|
1752 { |
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changeset
|
1753 gripe_file_open ("save", fname); |
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changeset
|
1754 return retval; |
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|
1755 } |
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|
1756 } |
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|
1757 else |
5269 | 1758 #endif |
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|
1759 { |
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1760 std::ofstream file (fname.c_str (), mode); |
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1761 |
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1762 if (file) |
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1763 { |
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1764 bool write_header_info = ! file.tellp (); |
6760 | 1765 |
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1766 save_vars (argv, i, argc, file, format, |
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1767 save_as_floats, write_header_info); |
5269 | 1768 |
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1769 file.close (); |
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1770 } |
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1771 else |
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1772 { |
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1773 gripe_file_open ("save", fname); |
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1774 return retval; |
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1775 } |
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1776 } |
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1777 } |
604 | 1778 } |
1779 | |
1780 return retval; | |
1781 } | |
1782 | |
5794 | 1783 DEFUN (crash_dumps_octave_core, args, nargout, |
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1784 "-*- texinfo -*-\n\ |
10840 | 1785 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1786 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1787 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1788 Query or set the internal variable that controls whether Octave tries\n\ |
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1789 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1790 crashes or receives a hangup, terminate or similar signal.\n\ |
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1791 \n\ |
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1792 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1793 variable is changed locally for the function and any subroutines it calls.\n\ |
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1794 The original variable value is restored when exiting the function.\n\ |
5794 | 1795 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1796 @end deftypefn") | |
2194 | 1797 { |
5794 | 1798 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1799 } |
1800 | |
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1801 DEFUN (save_default_options, args, nargout, |
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1802 "-*- texinfo -*-\n\ |
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1803 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1804 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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1805 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1806 Query or set the internal variable that specifies the default options\n\ |
1807 for the @code{save} command, and defines the default format.\n\ | |
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1808 \n\ |
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1809 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1810 The default value is @option{-text}.\n\ |
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1811 \n\ |
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1812 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1813 variable is changed locally for the function and any subroutines it calls.\n\ |
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1814 The original variable value is restored when exiting the function.\n\ |
5794 | 1815 @seealso{save}\n\ |
1816 @end deftypefn") | |
4788 | 1817 { |
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1818 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1819 } |
1820 | |
5794 | 1821 DEFUN (octave_core_file_limit, args, nargout, |
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1822 "-*- texinfo -*-\n\ |
10840 | 1823 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1824 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1825 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1826 Query or set the internal variable that specifies the maximum amount\n\ |
1827 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1828 attempt to save when writing data to the crash dump file (the name of\n\ | |
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1829 the file is specified by @var{octave_core_file_name}).\n\ |
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1830 \n\ |
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1831 If @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1832 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1833 size of the file. If a text file format is used, then the file could\n\ | |
1834 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1835 \n\ |
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1836 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1837 variable is changed locally for the function and any subroutines it calls.\n\ |
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1838 The original variable value is restored when exiting the function.\n\ |
5794 | 1839 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1840 @end deftypefn") | |
3709 | 1841 { |
5794 | 1842 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1843 } |
1844 | |
5794 | 1845 DEFUN (octave_core_file_name, args, nargout, |
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1846 "-*- texinfo -*-\n\ |
10840 | 1847 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1848 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1849 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1850 Query or set the internal variable that specifies the name of the file\n\ |
1851 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1852 \n\ |
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1853 The default value is @qcode{\"octave-workspace\"}\n\ |
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1854 \n\ |
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1855 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1856 variable is changed locally for the function and any subroutines it calls.\n\ |
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1857 The original variable value is restored when exiting the function.\n\ |
5794 | 1858 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1859 @end deftypefn") | |
2194 | 1860 { |
5794 | 1861 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1862 } | |
4791 | 1863 |
5794 | 1864 DEFUN (octave_core_file_options, args, nargout, |
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1865 "-*- texinfo -*-\n\ |
10840 | 1866 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1867 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1868 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1869 Query or set the internal variable that specifies the options used for\n\ |
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1870 saving the workspace data if Octave aborts.\n\ |
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1871 \n\ |
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1872 The value of @code{octave_core_file_options} should follow the same format\n\ |
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1873 as the options for the @code{save} function. The default value is Octave's\n\ |
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1874 binary format.\n\ |
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1875 \n\ |
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1876 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1877 variable is changed locally for the function and any subroutines it calls.\n\ |
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1878 The original variable value is restored when exiting the function.\n\ |
5642 | 1879 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1880 @end deftypefn") |
1881 { | |
1882 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1883 } | |
2194 | 1884 |
5794 | 1885 DEFUN (save_header_format_string, args, nargout, |
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1886 "-*- texinfo -*-\n\ |
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1887 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1888 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1889 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1890 Query or set the internal variable that specifies the format\n\ |
1891 string used for the comment line written at the beginning of\n\ | |
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1892 text-format data files saved by Octave.\n\ |
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1893 \n\ |
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1894 The format string is passed to @code{strftime} and should begin with the\n\ |
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1895 character @samp{#} and contain no newline characters. If the value of\n\ |
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1896 @code{save_header_format_string} is the empty string, the header comment is\n\ |
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1897 omitted from text-format data files. The default value is\n\ |
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1898 @c Set example in small font to prevent overfull line\n\ |
3709 | 1899 \n\ |
7031 | 1900 @smallexample\n\ |
4060 | 1901 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1902 @end smallexample\n\ |
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1903 \n\ |
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1904 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1905 variable is changed locally for the function and any subroutines it calls.\n\ |
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1906 The original variable value is restored when exiting the function.\n\ |
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1907 @seealso{strftime, save}\n\ |
5794 | 1908 @end deftypefn") |
1909 { | |
1910 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1911 } |