Mercurial > octave-nkf
annotate libinterp/corefcn/load-save.cc @ 19421:616f2b22787b stable
Issue error if load file format cannot be determined (bug #43575).
* load-save.cc: Add an else clause that issues an error if the format is still
LS_UNKNOWN by the end of the function.
author | Rik <rik@octave.org> |
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date | Sat, 06 Dec 2014 07:42:18 -0800 |
parents | 9a70705dc616 |
children | 1572b5276b9a |
rev | line source |
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6763 | 1 /* |
604 | 2 |
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maint: Update copyright notices for release.
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3 Copyright (C) 1994-2013 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" |
1750 | 62 #include "oct-obj.h" |
3687 | 63 #include "oct-map.h" |
4332 | 64 #include "ov-cell.h" |
1352 | 65 #include "pager.h" |
1750 | 66 #include "pt-exp.h" |
1352 | 67 #include "symtab.h" |
68 #include "sysdep.h" | |
69 #include "unwind-prot.h" | |
604 | 70 #include "utils.h" |
2371 | 71 #include "variables.h" |
3185 | 72 #include "version.h" |
3688 | 73 #include "dMatrix.h" |
74 | |
4633 | 75 #include "ls-hdf5.h" |
76 #include "ls-mat-ascii.h" | |
77 #include "ls-mat4.h" | |
78 #include "ls-mat5.h" | |
79 #include "ls-oct-ascii.h" | |
80 #include "ls-oct-binary.h" | |
3688 | 81 |
10309 | 82 // Remove gnulib definitions, if any. |
83 #ifdef close | |
84 #undef close | |
85 #endif | |
86 #ifdef open | |
87 #undef open | |
5269 | 88 #endif |
89 | |
10309 | 90 #ifdef HAVE_ZLIB |
91 #include "zfstream.h" | |
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92 #endif |
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93 |
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94 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 95 static bool Vcrash_dumps_octave_core = true; |
3189 | 96 |
4791 | 97 // The maximum amount of memory (in kilobytes) that we will attempt to |
98 // write to the Octave core file. | |
5794 | 99 static double Voctave_core_file_limit = -1.0; |
4791 | 100 |
101 // The name of the Octave core file. | |
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102 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 103 |
3687 | 104 // The default output format. May be one of "binary", "text", |
105 // "mat-binary", or "hdf5". | |
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106 static std::string Vsave_default_options = "-text"; |
2194 | 107 |
5284 | 108 // The output format for Octave core files. |
5794 | 109 static std::string Voctave_core_file_options = "-binary"; |
110 | |
111 static std::string | |
112 default_save_header_format (void) | |
113 { | |
114 return | |
115 std::string ("# Created by Octave " OCTAVE_VERSION | |
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116 ", %a %b %d %H:%M:%S %Y %Z <") |
5794 | 117 + octave_env::get_user_name () |
118 + std::string ("@") | |
119 + octave_env::get_host_name () | |
120 + std::string (">"); | |
121 } | |
4788 | 122 |
3709 | 123 // The format string for the comment line at the top of text-format |
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124 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 125 // no newline characters. |
5794 | 126 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 127 |
5369 | 128 static void |
129 gripe_file_open (const std::string& fcn, const std::string& file) | |
130 { | |
131 if (fcn == "load") | |
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132 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 133 else if (fcn == "save") |
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134 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 135 else |
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136 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 137 } |
138 | |
7336 | 139 // Install a variable with name NAME and the value VAL in the |
140 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 141 |
142 static void | |
7336 | 143 install_loaded_variable (const std::string& name, |
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144 const octave_value& val, |
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145 bool global, const std::string& /*doc*/) |
604 | 146 { |
147 if (global) | |
148 { | |
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149 symbol_table::clear (name); |
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150 symbol_table::mark_global (name); |
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151 symbol_table::global_assign (name, val); |
604 | 152 } |
153 else | |
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154 symbol_table::assign (name, val); |
604 | 155 } |
156 | |
3019 | 157 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 158 |
3013 | 159 static bool |
3769 | 160 matches_patterns (const string_vector& patterns, int pat_idx, |
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161 int num_pat, const std::string& name) |
604 | 162 { |
1755 | 163 for (int i = pat_idx; i < num_pat; i++) |
604 | 164 { |
1792 | 165 glob_match pattern (patterns[i]); |
3013 | 166 |
1792 | 167 if (pattern.match (name)) |
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168 return true; |
604 | 169 } |
3688 | 170 |
3013 | 171 return false; |
604 | 172 } |
173 | |
4329 | 174 int |
3523 | 175 read_binary_file_header (std::istream& is, bool& swap, |
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176 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 177 { |
3552 | 178 const int magic_len = 10; |
179 char magic[magic_len+1]; | |
5760 | 180 is.read (magic, magic_len); |
604 | 181 magic[magic_len] = '\0'; |
3688 | 182 |
604 | 183 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 184 swap = oct_mach_info::words_big_endian (); |
604 | 185 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 186 swap = ! oct_mach_info::words_big_endian (); |
604 | 187 else |
188 { | |
189 if (! quiet) | |
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190 error ("load: unable to read read binary file"); |
604 | 191 return -1; |
192 } | |
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193 |
604 | 194 char tmp = 0; |
5760 | 195 is.read (&tmp, 1); |
604 | 196 |
2318 | 197 flt_fmt = mopt_digit_to_float_format (tmp); |
198 | |
4574 | 199 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 200 { |
201 if (! quiet) | |
202 error ("load: unrecognized binary format!"); | |
3688 | 203 |
604 | 204 return -1; |
205 } | |
206 | |
207 return 0; | |
208 } | |
209 | |
5269 | 210 #ifdef HAVE_ZLIB |
211 static bool | |
212 check_gzip_magic (const std::string& fname) | |
213 { | |
214 bool retval = false; | |
215 std::ifstream file (fname.c_str ()); | |
216 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
217 | |
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218 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f && |
5269 | 219 magic[1] == 0x8b) |
220 retval = true; | |
221 | |
222 file.close (); | |
223 return retval; | |
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224 } |
5269 | 225 #endif |
226 | |
604 | 227 static load_save_format |
6625 | 228 get_file_format (std::istream& file, const std::string& filename) |
604 | 229 { |
230 load_save_format retval = LS_UNKNOWN; | |
231 | |
4574 | 232 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 233 |
3019 | 234 bool swap = false; |
235 | |
236 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 237 retval = LS_BINARY; |
238 else | |
239 { | |
6202 | 240 file.clear (); |
3538 | 241 file.seekg (0, std::ios::beg); |
604 | 242 |
5828 | 243 int32_t mopt, nr, nc, imag, len; |
1180 | 244 |
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245 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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246 true); |
1180 | 247 |
248 if (! err) | |
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249 retval = LS_MAT_BINARY; |
604 | 250 else |
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251 { |
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252 file.clear (); |
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253 file.seekg (0, std::ios::beg); |
604 | 254 |
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255 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 256 |
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257 if (! err) |
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258 { |
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259 file.clear (); |
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260 file.seekg (0, std::ios::beg); |
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261 retval = LS_MAT5_BINARY; |
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262 } |
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263 else |
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264 { |
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265 file.clear (); |
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266 file.seekg (0, std::ios::beg); |
3688 | 267 |
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268 std::string name_val = extract_keyword (file, "name"); |
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269 std::string type_val = extract_keyword (file, "type"); |
4171 | 270 |
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271 if (name_val.empty () != true && type_val.empty () != true) |
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272 retval = LS_ASCII; |
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273 else |
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274 { |
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275 file.clear (); |
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276 file.seekg (0, std::ios::beg); |
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277 |
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278 // FIXME: looks_like_mat_ascii_file does not check to see |
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279 // whether the file contains numbers. It just skips comments |
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280 // and checks for the same number of words on each line. We |
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281 // may need a better check here. The best way to do that |
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282 // might be just to try to read the file and see if it works. |
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283 |
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284 if (looks_like_mat_ascii_file (file, filename)) |
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285 retval = LS_MAT_ASCII; |
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286 } |
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287 } |
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288 } |
604 | 289 } |
290 | |
5269 | 291 return retval; |
292 } | |
5977 | 293 |
5269 | 294 static load_save_format |
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295 get_file_format (const std::string& fname, const std::string& orig_fname, |
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296 bool &use_zlib, bool quiet = false) |
5269 | 297 { |
298 load_save_format retval = LS_UNKNOWN; | |
299 | |
300 #ifdef HAVE_HDF5 | |
301 // check this before we open the file | |
302 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
303 return LS_HDF5; | |
304 #endif /* HAVE_HDF5 */ | |
604 | 305 |
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306 #ifdef HAVE_ZLIB |
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307 use_zlib = check_gzip_magic (fname); |
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308 #else |
5269 | 309 use_zlib = false; |
5977 | 310 #endif |
5269 | 311 |
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312 if (! use_zlib) |
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313 { |
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314 std::ifstream file (fname.c_str ()); |
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315 if (file) |
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316 { |
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317 retval = get_file_format (file, orig_fname); |
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318 file.close (); |
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319 } |
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320 else if (! quiet) |
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321 gripe_file_open ("load", orig_fname); |
5269 | 322 } |
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323 #ifdef HAVE_ZLIB |
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324 else |
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325 { |
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326 gzifstream gzfile (fname.c_str ()); |
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327 if (gzfile) |
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328 { |
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329 retval = get_file_format (gzfile, orig_fname); |
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330 gzfile.close (); |
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331 } |
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332 else if (! quiet) |
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333 gripe_file_open ("load", orig_fname); |
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334 } |
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335 #endif |
604 | 336 |
337 return retval; | |
338 } | |
339 | |
4329 | 340 octave_value |
7336 | 341 do_load (std::istream& stream, const std::string& orig_fname, |
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342 load_save_format format, oct_mach_info::float_format flt_fmt, |
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343 bool list_only, bool swap, bool verbose, |
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344 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 345 { |
3727 | 346 octave_value retval; |
347 | |
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348 octave_scalar_map retstruct; |
604 | 349 |
5765 | 350 std::ostringstream output_buf; |
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351 std::list<std::string> symbol_names; |
4051 | 352 |
5754 | 353 octave_idx_type count = 0; |
4051 | 354 |
604 | 355 for (;;) |
356 { | |
3019 | 357 bool global = false; |
2086 | 358 octave_value tc; |
604 | 359 |
4171 | 360 std::string name; |
361 std::string doc; | |
604 | 362 |
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363 switch (format.type) |
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364 { |
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365 case LS_ASCII: |
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366 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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367 break; |
604 | 368 |
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369 case LS_BINARY: |
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370 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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371 global, tc, doc); |
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372 break; |
604 | 373 |
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374 case LS_MAT_ASCII: |
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375 name = read_mat_ascii_data (stream, orig_fname, tc); |
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376 break; |
2511 | 377 |
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378 case LS_MAT_BINARY: |
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379 name = read_mat_binary_data (stream, orig_fname, tc); |
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380 break; |
604 | 381 |
3687 | 382 #ifdef HAVE_HDF5 |
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383 case LS_HDF5: |
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384 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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385 argv, argv_idx, argc); |
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386 break; |
3687 | 387 #endif /* HAVE_HDF5 */ |
388 | |
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389 case LS_MAT5_BINARY: |
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390 case LS_MAT7_BINARY: |
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391 name = read_mat5_binary_element (stream, orig_fname, swap, |
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392 global, tc); |
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393 break; |
3688 | 394 |
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395 default: |
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396 gripe_unrecognized_data_fmt ("load"); |
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397 break; |
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398 } |
604 | 399 |
4171 | 400 if (error_state || stream.eof () || name.empty ()) |
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401 break; |
4171 | 402 else if (! error_state && ! name.empty ()) |
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403 { |
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404 if (tc.is_defined ()) |
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405 { |
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406 if (format == LS_MAT_ASCII && argv_idx < argc) |
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407 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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408 orig_fname.c_str ()); |
3136 | 409 |
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410 if (format == LS_MAT_ASCII |
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411 || argv_idx == argc |
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412 || matches_patterns (argv, argv_idx, argc, name)) |
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413 { |
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414 count++; |
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415 if (list_only) |
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416 { |
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417 if (verbose) |
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418 { |
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419 if (count == 1) |
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420 output_buf |
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421 << "type rows cols name\n" |
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422 << "==== ==== ==== ====\n"; |
621 | 423 |
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424 output_buf |
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425 << std::setiosflags (std::ios::left) |
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426 << std::setw (16) << tc.type_name () . c_str () |
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427 << std::setiosflags (std::ios::right) |
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428 << std::setw (7) << tc.rows () |
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429 << std::setw (7) << tc.columns () |
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430 << " " << name << "\n"; |
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431 } |
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432 else |
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433 symbol_names.push_back (name); |
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434 } |
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435 else |
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436 { |
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437 if (nargout == 1) |
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438 { |
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439 if (format == LS_MAT_ASCII) |
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440 retval = tc; |
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441 else |
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442 retstruct.assign (name, tc); |
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443 } |
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444 else |
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445 install_loaded_variable (name, tc, global, doc); |
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446 } |
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447 } |
2511 | 448 |
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449 // Only attempt to read one item from a headless text file. |
2511 | 450 |
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451 if (format == LS_MAT_ASCII) |
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452 break; |
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453 } |
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454 else |
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455 error ("load: unable to load variable '%s'", name.c_str ()); |
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456 } |
604 | 457 else |
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458 { |
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459 if (count == 0) |
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460 error ("load: are you sure '%s' is an Octave data file?", |
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461 orig_fname.c_str ()); |
604 | 462 |
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463 break; |
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464 } |
604 | 465 } |
466 | |
621 | 467 if (list_only && count) |
468 { | |
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469 if (verbose) |
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470 { |
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471 std::string msg = output_buf.str (); |
2095 | 472 |
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473 if (nargout > 0) |
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474 retval = msg; |
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475 else |
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476 octave_stdout << msg; |
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477 } |
621 | 478 else |
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479 { |
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480 if (nargout > 0) |
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481 retval = Cell (string_vector (symbol_names)); |
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482 else |
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483 { |
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484 string_vector names (symbol_names); |
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485 |
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486 names.list_in_columns (octave_stdout); |
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487 |
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488 octave_stdout << "\n"; |
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489 } |
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490 } |
621 | 491 } |
6639 | 492 else if (retstruct.nfields () != 0) |
3727 | 493 retval = retstruct; |
621 | 494 |
863 | 495 return retval; |
496 } | |
497 | |
6159 | 498 std::string |
499 find_file_to_load (const std::string& name, const std::string& orig_name) | |
500 { | |
501 std::string fname = name; | |
502 | |
6838 | 503 if (! (octave_env::absolute_pathname (fname) |
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504 || octave_env::rooted_relative_pathname (fname))) |
6159 | 505 { |
506 file_stat fs (fname); | |
507 | |
6584 | 508 if (! (fs.exists () && fs.is_reg ())) |
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509 { |
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510 std::string tmp |
10250 | 511 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 512 |
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513 if (! tmp.empty ()) |
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514 { |
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515 warning_with_id ("Octave:load-file-in-path", |
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516 "load: file found in load path"); |
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517 fname = tmp; |
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518 } |
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519 } |
6159 | 520 } |
521 | |
6838 | 522 size_t dot_pos = fname.rfind ("."); |
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523 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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524 |
8021 | 525 if (dot_pos == std::string::npos |
526 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 527 { |
6838 | 528 // Either no '.' in name or no '.' appears after last directory |
529 // separator. | |
530 | |
6159 | 531 file_stat fs (fname); |
532 | |
6584 | 533 if (! (fs.exists () && fs.is_reg ())) |
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534 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 535 } |
536 else | |
537 { | |
538 file_stat fs (fname); | |
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539 |
6584 | 540 if (! (fs.exists () && fs.is_reg ())) |
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541 { |
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542 fname = ""; |
6159 | 543 |
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544 error ("load: unable to find file %s", orig_name.c_str ()); |
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545 } |
6159 | 546 } |
547 | |
548 return fname; | |
549 } | |
550 | |
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551 bool |
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552 is_octave_data_file (const std::string& fname) |
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553 { |
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554 bool use_zlib = false; |
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555 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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556 } |
6159 | 557 |
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558 DEFUN (load, args, nargout, |
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559 "-*- texinfo -*-\n\ |
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560 @deftypefn {Command} {} load file\n\ |
11547 | 561 @deftypefnx {Command} {} load options file\n\ |
562 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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563 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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564 @deftypefnx {Command} {} load file options\n\ |
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565 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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566 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 567 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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568 @var{file}. If no variables are specified then all variables found in the\n\ |
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569 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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570 can be full names or use a pattern syntax. The format of the file is\n\ |
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571 automatically detected but may be overridden by supplying the appropriate\n\ |
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572 option.\n\ |
863 | 573 \n\ |
5665 | 574 If load is invoked using the functional form\n\ |
575 \n\ | |
576 @example\n\ | |
7247 | 577 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 578 @end example\n\ |
579 \n\ | |
580 @noindent\n\ | |
581 then the @var{options}, @var{file}, and variable name arguments\n\ | |
582 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
583 \n\ | |
3372 | 584 If a variable that is not marked as global is loaded from a file when a\n\ |
585 global symbol with the same name already exists, it is loaded in the\n\ | |
586 global symbol table. Also, if a variable is marked as global in a file\n\ | |
587 and a local symbol exists, the local symbol is moved to the global\n\ | |
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588 symbol table and given the value from the file.\n\ |
863 | 589 \n\ |
3727 | 590 If invoked with a single output argument, Octave returns data instead\n\ |
591 of inserting variables in the symbol table. If the data file contains\n\ | |
592 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
593 returned. Otherwise, @code{load} returns a structure with members\n\ | |
594 corresponding to the names of the variables in the file.\n\ | |
595 \n\ | |
3372 | 596 The @code{load} command can read data stored in Octave's text and\n\ |
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597 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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598 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 599 detect the type of file and do conversion from different floating point\n\ |
600 formats (currently only IEEE big and little endian, though other formats\n\ | |
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601 may be added in the future).\n\ |
3372 | 602 \n\ |
603 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 604 \n\ |
3372 | 605 @table @code\n\ |
606 @item -force\n\ | |
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607 This option is accepted for backward compatibility but is ignored.\n\ |
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608 Octave now overwrites variables currently in memory with\n\ |
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609 those of the same name found in the file.\n\ |
3372 | 610 \n\ |
611 @item -ascii\n\ | |
5938 | 612 Force Octave to assume the file contains columns of numbers in text format\n\ |
613 without any header or other information. Data in the file will be loaded\n\ | |
614 as a single numeric matrix with the name of the variable derived from the\n\ | |
615 name of the file.\n\ | |
5197 | 616 \n\ |
3372 | 617 @item -binary\n\ |
618 Force Octave to assume the file is in Octave's binary format.\n\ | |
619 \n\ | |
3687 | 620 @item -hdf5\n\ |
10840 | 621 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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622 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 623 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 624 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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625 skip some datasets in formats that it cannot support. This format is\n\ |
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626 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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627 \n\ |
3687 | 628 @item -import\n\ |
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629 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 630 Octave can now support multi-dimensional HDF data and automatically\n\ |
631 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 632 \n\ |
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633 @item -mat\n\ |
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634 @itemx -mat-binary\n\ |
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635 @itemx -6\n\ |
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636 @itemx -v6\n\ |
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637 @itemx -7\n\ |
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638 @itemx -v7\n\ |
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639 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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640 format.\n\ |
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641 \n\ |
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642 @item -mat4-binary\n\ |
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643 @itemx -4\n\ |
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644 @itemx -v4\n\ |
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645 @itemx -V4\n\ |
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646 Force Octave to assume the file is in the binary format written by\n\ |
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647 @sc{matlab} version 4.\n\ |
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648 \n\ |
5198 | 649 @item -text\n\ |
5197 | 650 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 651 @end table\n\ |
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652 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 653 @end deftypefn") |
863 | 654 { |
2086 | 655 octave_value_list retval; |
863 | 656 |
1755 | 657 int argc = args.length () + 1; |
658 | |
1968 | 659 string_vector argv = args.make_argv ("load"); |
1755 | 660 |
661 if (error_state) | |
662 return retval; | |
863 | 663 |
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664 int i = 1; |
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665 std::string orig_fname = ""; |
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666 |
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667 // Function called with Matlab-style ["filename", options] syntax |
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668 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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669 { |
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670 orig_fname = argv[1]; |
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671 i++; |
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672 } |
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673 |
1358 | 674 // It isn't necessary to have the default load format stored in a |
675 // user preference variable since we can determine the type of file | |
676 // as we are reading. | |
863 | 677 |
678 load_save_format format = LS_UNKNOWN; | |
679 | |
3019 | 680 bool list_only = false; |
681 bool verbose = false; | |
863 | 682 |
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683 //for (i; i < argc; i++) |
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684 for (; i < argc; i++) |
863 | 685 { |
1755 | 686 if (argv[i] == "-force" || argv[i] == "-f") |
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687 { |
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688 // Silently ignore this |
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689 // warning ("load: -force ignored"); |
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690 } |
1755 | 691 else if (argv[i] == "-list" || argv[i] == "-l") |
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692 { |
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693 list_only = true; |
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694 } |
1755 | 695 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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696 { |
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697 verbose = true; |
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698 } |
1755 | 699 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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700 { |
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701 format = LS_MAT_ASCII; |
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702 } |
1755 | 703 else if (argv[i] == "-binary" || argv[i] == "-b") |
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704 { |
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705 format = LS_BINARY; |
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706 } |
5269 | 707 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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708 || argv[i] == "-6" || argv[i] == "-v6") |
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709 { |
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710 format = LS_MAT5_BINARY; |
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711 } |
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712 else if (argv[i] == "-7" || argv[i] == "-v7") |
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713 { |
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714 format = LS_MAT7_BINARY; |
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715 } |
5256 | 716 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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717 || argv[i] == "-v4" || argv[i] == "-4") |
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718 { |
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719 format = LS_MAT_BINARY; |
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720 } |
3687 | 721 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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722 { |
3687 | 723 #ifdef HAVE_HDF5 |
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724 format = LS_HDF5; |
3687 | 725 #else /* ! HAVE_HDF5 */ |
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726 error ("load: octave executable was not linked with HDF5 library"); |
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727 return retval; |
3687 | 728 #endif /* ! HAVE_HDF5 */ |
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729 } |
3687 | 730 else if (argv[i] == "-import" || argv[i] == "-i") |
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731 { |
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732 warning ("load: -import ignored"); |
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733 } |
5197 | 734 else if (argv[i] == "-text" || argv[i] == "-t") |
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735 { |
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736 format = LS_ASCII; |
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737 } |
863 | 738 else |
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739 break; |
863 | 740 } |
741 | |
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742 if (orig_fname == "") |
863 | 743 { |
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744 if (i == argc) |
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745 { |
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746 print_usage (); |
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747 return retval; |
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748 } |
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749 else |
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750 orig_fname = argv[i]; |
863 | 751 } |
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752 else |
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753 i--; |
863 | 754 |
4574 | 755 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 756 |
3019 | 757 bool swap = false; |
863 | 758 |
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759 if (orig_fname == "-") |
863 | 760 { |
1755 | 761 i++; |
863 | 762 |
3687 | 763 #ifdef HAVE_HDF5 |
764 if (format == LS_HDF5) | |
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765 error ("load: cannot read HDF5 format from stdin"); |
3687 | 766 else |
767 #endif /* HAVE_HDF5 */ | |
863 | 768 if (format != LS_UNKNOWN) |
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769 { |
17861
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770 // FIXME: if we have already seen EOF on a previous call, |
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771 // how do we fix up the state of std::cin so that we can get |
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772 // additional input? I'm afraid that we can't fix this |
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773 // using std::cin only. |
3531 | 774 |
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775 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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776 list_only, swap, verbose, argv, i, argc, |
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777 nargout); |
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778 } |
863 | 779 else |
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780 error ("load: must specify file format if reading from stdin"); |
863 | 781 } |
782 else | |
783 { | |
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784 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 785 |
786 fname = find_file_to_load (fname, orig_fname); | |
863 | 787 |
6159 | 788 if (error_state) |
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789 return retval; |
6159 | 790 |
791 bool use_zlib = false; | |
5089 | 792 |
863 | 793 if (format == LS_UNKNOWN) |
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794 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 795 |
3687 | 796 #ifdef HAVE_HDF5 |
797 if (format == LS_HDF5) | |
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798 { |
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799 i++; |
3687 | 800 |
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801 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 802 |
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803 if (hdf5_file.file_id >= 0) |
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804 { |
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805 retval = do_load (hdf5_file, orig_fname, format, |
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806 flt_fmt, list_only, swap, verbose, |
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807 argv, i, argc, nargout); |
4844 | 808 |
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809 hdf5_file.close (); |
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810 } |
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811 else |
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812 gripe_file_open ("load", orig_fname); |
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813 } |
3687 | 814 else |
815 #endif /* HAVE_HDF5 */ | |
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816 // don't insert any statements here; the "else" above has to |
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817 // go with the "if" below!!!!! |
863 | 818 if (format != LS_UNKNOWN) |
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819 { |
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820 i++; |
863 | 821 |
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822 // Always open in binary mode and handle various |
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823 // line-endings explicitly. |
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824 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 825 |
5269 | 826 #ifdef HAVE_ZLIB |
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827 if (use_zlib) |
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828 { |
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829 gzifstream file (fname.c_str (), mode); |
863 | 830 |
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831 if (file) |
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832 { |
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833 if (format == LS_BINARY) |
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834 { |
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835 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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836 { |
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837 if (file) file.close (); |
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838 return retval; |
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839 } |
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840 } |
11586
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841 else if (format == LS_MAT5_BINARY |
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842 || format == LS_MAT7_BINARY) |
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843 { |
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844 if (read_mat5_binary_file_header (file, swap, false, |
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845 orig_fname) < 0) |
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846 { |
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847 if (file) file.close (); |
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848 return retval; |
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849 } |
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850 } |
5269 | 851 |
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852 retval = do_load (file, orig_fname, format, |
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853 flt_fmt, list_only, swap, verbose, |
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854 argv, i, argc, nargout); |
5269 | 855 |
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856 file.close (); |
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857 } |
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858 else |
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859 gripe_file_open ("load", orig_fname); |
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860 } |
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861 else |
5269 | 862 #endif |
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863 { |
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864 std::ifstream file (fname.c_str (), mode); |
5269 | 865 |
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866 if (file) |
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867 { |
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868 if (format == LS_BINARY) |
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869 { |
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870 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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871 { |
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872 if (file) file.close (); |
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873 return retval; |
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874 } |
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875 } |
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876 else if (format == LS_MAT5_BINARY |
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877 || format == LS_MAT7_BINARY) |
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878 { |
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879 if (read_mat5_binary_file_header (file, swap, false, |
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880 orig_fname) < 0) |
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881 { |
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882 if (file) file.close (); |
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883 return retval; |
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884 } |
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885 } |
5269 | 886 |
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887 retval = do_load (file, orig_fname, format, |
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888 flt_fmt, list_only, swap, verbose, |
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889 argv, i, argc, nargout); |
5269 | 890 |
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891 file.close (); |
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892 } |
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893 else |
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894 error ("load: unable to open input file '%s'", |
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895 orig_fname.c_str ()); |
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896 } |
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897 } |
19421
616f2b22787b
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|
898 else |
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|
899 { |
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900 error ("load: unable to determine file format of '%s'", |
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901 orig_fname.c_str ()); |
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Issue error if load file format cannot be determined (bug #43575).
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902 } |
863 | 903 } |
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904 |
604 | 905 return retval; |
906 } | |
907 | |
3019 | 908 // Return TRUE if PATTERN has any special globbing chars in it. |
909 | |
910 static bool | |
3523 | 911 glob_pattern_p (const std::string& pattern) |
604 | 912 { |
913 int open = 0; | |
914 | |
1755 | 915 int len = pattern.length (); |
916 | |
917 for (int i = 0; i < len; i++) | |
604 | 918 { |
1755 | 919 char c = pattern[i]; |
920 | |
604 | 921 switch (c) |
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922 { |
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923 case '?': |
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924 case '*': |
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925 return true; |
604 | 926 |
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927 case '[': // Only accept an open brace if there is a close |
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928 open++; // brace to match it. Bracket expressions must be |
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929 continue; // complete, according to Posix.2 |
604 | 930 |
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931 case ']': |
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932 if (open) |
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933 return true; |
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934 continue; |
4402 | 935 |
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936 case '\\': |
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937 if (i == len - 1) |
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938 return false; |
604 | 939 |
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940 default: |
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941 continue; |
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942 } |
604 | 943 } |
944 | |
3019 | 945 return false; |
604 | 946 } |
947 | |
4791 | 948 static void |
949 do_save (std::ostream& os, const octave_value& tc, | |
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950 const std::string& name, const std::string& help, |
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951 bool global, load_save_format fmt, bool save_as_floats) |
604 | 952 { |
8425
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support -tabs option for save -ascii
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|
953 switch (fmt.type) |
604 | 954 { |
955 case LS_ASCII: | |
6974 | 956 save_ascii_data (os, tc, name, global, 0); |
604 | 957 break; |
958 | |
959 case LS_BINARY: | |
630 | 960 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 961 break; |
962 | |
5938 | 963 case LS_MAT_ASCII: |
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964 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
8425
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965 fmt.opts & LS_MAT_ASCII_TABS)) |
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966 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 967 break; |
968 | |
667 | 969 case LS_MAT_BINARY: |
970 save_mat_binary_data (os, tc, name); | |
971 break; | |
972 | |
3687 | 973 #ifdef HAVE_HDF5 |
974 case LS_HDF5: | |
975 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
976 break; | |
977 #endif /* HAVE_HDF5 */ | |
978 | |
3688 | 979 case LS_MAT5_BINARY: |
5269 | 980 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
981 break; | |
982 | |
983 case LS_MAT7_BINARY: | |
984 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 985 break; |
986 | |
604 | 987 default: |
775 | 988 gripe_unrecognized_data_fmt ("save"); |
604 | 989 break; |
990 } | |
991 } | |
992 | |
4791 | 993 // Save the info from SR on stream OS in the format specified by FMT. |
994 | |
995 void | |
7336 | 996 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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997 load_save_format fmt, bool save_as_floats) |
4791 | 998 { |
7336 | 999 octave_value val = sr.varval (); |
4791 | 1000 |
7336 | 1001 if (val.is_defined ()) |
4791 | 1002 { |
7336 | 1003 std::string name = sr.name (); |
1004 std::string help; | |
1005 bool global = sr.is_global (); | |
4791 | 1006 |
7336 | 1007 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 1008 } |
1009 } | |
1010 | |
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1011 // save fields of a scalar structure STR matching PATTERN on stream OS |
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1012 // in the format specified by FMT. |
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1013 |
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1014 static size_t |
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1015 save_fields (std::ostream& os, const octave_scalar_map& m, |
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1016 const std::string& pattern, |
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1017 load_save_format fmt, bool save_as_floats) |
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1018 { |
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1019 glob_match pat (pattern); |
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1020 |
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1021 size_t saved = 0; |
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1022 |
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1023 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1024 { |
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1025 std::string empty_str; |
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1026 |
14861
f7afecdd87ef
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1027 if (pat.match (m.key (p))) |
7635
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1028 { |
11059
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1029 do_save (os, m.contents (p), m.key (p), empty_str, |
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1030 0, fmt, save_as_floats); |
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1031 |
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1032 saved++; |
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1033 } |
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1034 } |
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1035 |
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1036 return saved; |
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1037 } |
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1038 |
604 | 1039 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1040 // format specified by FMT. |
604 | 1041 |
7336 | 1042 static size_t |
5794 | 1043 save_vars (std::ostream& os, const std::string& pattern, |
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1044 load_save_format fmt, bool save_as_floats) |
604 | 1045 { |
7336 | 1046 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1047 | |
1048 size_t saved = 0; | |
3355 | 1049 |
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1050 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1051 const_vars_iterator; |
3355 | 1052 |
7336 | 1053 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1054 { |
7336 | 1055 do_save (os, *p, fmt, save_as_floats); |
620 | 1056 |
1057 if (error_state) | |
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1058 break; |
7336 | 1059 |
1060 saved++; | |
620 | 1061 } |
604 | 1062 |
1063 return saved; | |
1064 } | |
1065 | |
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1066 static string_vector |
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fix default_save_options parsing and allow mixing options with other arguments.
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1067 parse_save_options (const string_vector &argv, |
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1068 load_save_format &format, bool &append, |
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1069 bool &save_as_floats, bool &use_zlib) |
604 | 1070 { |
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|
1071 string_vector retval; |
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1072 int argc = argv.length (); |
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1073 |
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|
1074 bool do_double = false, do_tabs = false; |
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1075 |
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1076 for (int i = 0; i < argc; i++) |
5284 | 1077 { |
1078 if (argv[i] == "-append") | |
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1079 { |
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1080 append = true; |
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1081 } |
5284 | 1082 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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1083 { |
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1084 format = LS_MAT_ASCII; |
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1085 } |
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1086 else if (argv[i] == "-double") |
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1087 { |
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1088 do_double = true; |
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1089 } |
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1090 else if (argv[i] == "-tabs") |
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1091 { |
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1092 do_tabs = true; |
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1093 } |
5284 | 1094 else if (argv[i] == "-text" || argv[i] == "-t") |
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1095 { |
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1096 format = LS_ASCII; |
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1097 } |
5284 | 1098 else if (argv[i] == "-binary" || argv[i] == "-b") |
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1099 { |
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1100 format = LS_BINARY; |
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1101 } |
5284 | 1102 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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1103 { |
3687 | 1104 #ifdef HAVE_HDF5 |
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1105 format = LS_HDF5; |
5284 | 1106 #else /* ! HAVE_HDF5 */ |
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1107 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1108 #endif /* ! HAVE_HDF5 */ |
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1109 } |
11586
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1110 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1111 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1112 || argv[i] == "-V6") |
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1113 { |
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1114 format = LS_MAT5_BINARY; |
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1115 } |
5284 | 1116 #ifdef HAVE_ZLIB |
11586
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1117 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1118 || argv[i] == "-v7" || argv[i] == "-V7") |
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1119 { |
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1120 format = LS_MAT7_BINARY; |
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1121 } |
5284 | 1122 #endif |
1123 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1124 || argv[i] == "-v4" || argv[i] == "-4") |
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1125 { |
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1126 format = LS_MAT_BINARY; |
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1127 } |
5284 | 1128 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1129 { |
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1130 format = LS_BINARY; |
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1131 save_as_floats = true; |
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1132 } |
5284 | 1133 else if (argv[i] == "-float-hdf5") |
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1134 { |
5284 | 1135 #ifdef HAVE_HDF5 |
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1136 format = LS_HDF5; |
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1137 save_as_floats = true; |
5284 | 1138 #else /* ! HAVE_HDF5 */ |
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1139 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1140 #endif /* ! HAVE_HDF5 */ |
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1141 } |
5284 | 1142 #ifdef HAVE_ZLIB |
1143 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1144 { |
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1145 use_zlib = true; |
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1146 } |
5284 | 1147 #endif |
15571
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Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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|
1148 else if (argv[i] == "-struct") |
7b9551c65b7b
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|
1149 { |
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|
1150 retval.append (argv[i]); |
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Don't report '-struct' as an unrecognized option to save().
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1151 } |
18442
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
Mike Miller <mtmiller@ieee.org>
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changeset
|
1152 else if (argv[i][0] == '-' && argv[i] != "-") |
15567
e05eafe7105a
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|
1153 { |
e05eafe7105a
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|
1154 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
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1155 } |
5284 | 1156 else |
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1157 retval.append (argv[i]); |
5284 | 1158 } |
1159 | |
8418
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1160 if (do_double) |
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1161 { |
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1162 if (format == LS_MAT_ASCII) |
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1163 format.opts |= LS_MAT_ASCII_LONG; |
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1164 else |
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1165 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1166 } |
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1167 |
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1168 if (do_tabs) |
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1169 { |
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1170 if (format == LS_MAT_ASCII) |
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1171 format.opts |= LS_MAT_ASCII_TABS; |
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1172 else |
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1173 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1174 } |
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1175 |
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1176 return retval; |
5284 | 1177 } |
1178 | |
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1179 static string_vector |
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1180 parse_save_options (const std::string &arg, load_save_format &format, |
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1181 bool &append, bool &save_as_floats, |
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1182 bool &use_zlib) |
5284 | 1183 { |
5765 | 1184 std::istringstream is (arg); |
5284 | 1185 std::string str; |
1186 string_vector argv; | |
11586
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1187 |
5765 | 1188 while (! is.eof ()) |
5284 | 1189 { |
1190 is >> str; | |
1191 argv.append (str); | |
1192 } | |
1193 | |
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1194 return parse_save_options (argv, format, append, save_as_floats, |
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1195 use_zlib); |
604 | 1196 } |
1197 | |
4329 | 1198 void |
3523 | 1199 write_header (std::ostream& os, load_save_format format) |
863 | 1200 { |
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1201 switch (format.type) |
863 | 1202 { |
3185 | 1203 case LS_BINARY: |
1204 { | |
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1205 os << (oct_mach_info::words_big_endian () |
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1206 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1207 |
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1208 oct_mach_info::float_format flt_fmt = |
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1209 oct_mach_info::native_float_format (); |
3185 | 1210 |
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1211 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1212 |
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1213 os.write (&tmp, 1); |
3185 | 1214 } |
3688 | 1215 break; |
1216 | |
1217 case LS_MAT5_BINARY: | |
5269 | 1218 case LS_MAT7_BINARY: |
3688 | 1219 { |
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1220 char const * versionmagic; |
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1221 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1222 struct tm bdt; |
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1223 time_t now; |
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|
1224 char headertext[128]; |
3688 | 1225 |
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1226 time (&now); |
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1227 bdt = *gmtime (&now); |
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1228 memset (headertext, ' ', 124); |
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1229 // ISO 8601 format date |
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1230 nstrftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
9947
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call nstrftime, not my_strftime
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1231 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1232 |
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1233 // The first pair of bytes give the version of the MAT file |
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1234 // format. The second pair of bytes form a magic number which |
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1235 // signals a MAT file. MAT file data are always written in |
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1236 // native byte order. The order of the bytes in the second |
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1237 // pair indicates whether the file was written by a big- or |
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1238 // little-endian machine. However, the version number is |
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1239 // written in the *opposite* byte order from everything else! |
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1240 if (number == 1) |
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1241 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1242 else |
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1243 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1244 |
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1245 memcpy (headertext+124, versionmagic, 4); |
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|
1246 os.write (headertext, 128); |
3688 | 1247 } |
1248 | |
1249 break; | |
3185 | 1250 |
3687 | 1251 #ifdef HAVE_HDF5 |
1252 case LS_HDF5: | |
1253 #endif /* HAVE_HDF5 */ | |
3185 | 1254 case LS_ASCII: |
1255 { | |
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1256 octave_localtime now; |
3709 | 1257 |
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|
1258 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1259 |
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1260 if (! comment_string.empty ()) |
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1261 { |
3687 | 1262 #ifdef HAVE_HDF5 |
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1263 if (format == LS_HDF5) |
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1264 { |
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|
1265 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1266 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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|
1267 } |
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1268 else |
3687 | 1269 #endif /* HAVE_HDF5 */ |
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1270 os << comment_string << "\n"; |
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|
1271 } |
3185 | 1272 } |
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Rik <rik@octave.org>
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|
1273 break; |
3185 | 1274 |
1275 default: | |
1276 break; | |
863 | 1277 } |
1278 } | |
1279 | |
17755
9c03b071fd7b
avoid HDF5 error message at exit (bug #37713)
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|
1280 void |
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|
1281 octave_prepare_hdf5 (void) |
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1282 { |
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|
1283 #ifdef HAVE_HDF5 |
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1284 H5dont_atexit (); |
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|
1285 #endif |
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1286 } |
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|
1287 |
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|
1288 void |
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|
1289 octave_finalize_hdf5 (void) |
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|
1290 { |
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|
1291 #ifdef HAVE_HDF5 |
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1292 H5close (); |
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1293 #endif |
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1294 } |
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1295 |
863 | 1296 static void |
3769 | 1297 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1298 std::ostream& os, load_save_format fmt, |
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1299 bool save_as_floats, bool write_header_info) |
863 | 1300 { |
3185 | 1301 if (write_header_info) |
1302 write_header (os, fmt); | |
863 | 1303 |
1755 | 1304 if (argv_idx == argc) |
863 | 1305 { |
5794 | 1306 save_vars (os, "*", fmt, save_as_floats); |
863 | 1307 } |
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1308 else if (argv[argv_idx] == "-struct") |
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1309 { |
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|
1310 if (++argv_idx >= argc) |
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1311 { |
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1312 error ("save: missing struct name"); |
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1313 return; |
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1314 } |
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1315 |
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1316 std::string struct_name = argv[argv_idx]; |
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1317 |
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1318 if (! symbol_table::is_variable (struct_name)) |
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1319 { |
15466
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|
1320 error ("save: no such variable: '%s'", struct_name.c_str ()); |
7635
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|
1321 return; |
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|
1322 } |
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|
1323 |
16442
302157614308
deprecate symbol_table::varref functions
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diff
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|
1324 octave_value struct_var = symbol_table::varval (struct_name); |
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|
1325 |
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|
1326 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1327 { |
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|
1328 error ("save: '%s' is not a scalar structure", |
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1329 struct_name.c_str ()); |
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1330 return; |
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|
1331 } |
11059
4ffa19147604
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Jaroslav Hajek <highegg@gmail.com>
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|
1332 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1333 |
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1334 ++argv_idx; |
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1335 |
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|
1336 if (argv_idx < argc) |
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1337 { |
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|
1338 for (int i = argv_idx; i < argc; i++) |
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1339 { |
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1340 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1341 save_as_floats)) |
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1342 { |
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1343 warning ("save: no such field '%s.%s'", |
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1344 struct_name.c_str (), argv[i].c_str ()); |
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1345 } |
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1346 } |
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1347 } |
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1348 else |
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|
1349 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1350 } |
863 | 1351 else |
1352 { | |
1755 | 1353 for (int i = argv_idx; i < argc; i++) |
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1354 { |
17349
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
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17281
diff
changeset
|
1355 if (argv[i] == "") |
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
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|
1356 continue; // Skip empty vars for Matlab compatibility |
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1357 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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|
1358 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1359 } |
863 | 1360 } |
1361 } | |
1362 | |
5284 | 1363 static void |
1364 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1365 bool save_as_floats) |
4791 | 1366 { |
1367 write_header (os, fmt); | |
1368 | |
7767
71f068b22fcc
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1369 std::list<symbol_table::symbol_record> vars |
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1370 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1371 |
1372 double save_mem_size = 0; | |
1373 | |
17787
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|
1374 typedef std::list<symbol_table::symbol_record>::const_iterator |
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|
1375 const_vars_iterator; |
7336 | 1376 |
1377 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1378 { |
7336 | 1379 octave_value val = p->varval (); |
4791 | 1380 |
7336 | 1381 if (val.is_defined ()) |
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1382 { |
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1383 std::string name = p->name (); |
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1384 std::string help; |
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1385 bool global = p->is_global (); |
4791 | 1386 |
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1387 double val_size = val.byte_size () / 1024; |
4791 | 1388 |
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1389 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1390 |
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1391 if (Voctave_core_file_limit < 0 |
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1392 || save_mem_size + val_size < Voctave_core_file_limit) |
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1393 { |
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1394 save_mem_size += val_size; |
4791 | 1395 |
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1396 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1397 |
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1398 if (error_state) |
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1399 break; |
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1400 } |
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1401 } |
4791 | 1402 } |
1403 | |
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1404 message (0, "save to '%s' complete", fname); |
4791 | 1405 } |
1406 | |
1407 void | |
1408 dump_octave_core (void) | |
1380 | 1409 { |
3189 | 1410 if (Vcrash_dumps_octave_core) |
1380 | 1411 { |
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1412 // FIXME: should choose better file name? |
3189 | 1413 |
4791 | 1414 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1415 |
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1416 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1417 |
5284 | 1418 load_save_format format = LS_BINARY; |
1419 | |
1420 bool save_as_floats = false; | |
1421 | |
1422 bool append = false; | |
3189 | 1423 |
5284 | 1424 bool use_zlib = false; |
1425 | |
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1426 parse_save_options (Voctave_core_file_options, format, append, |
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1427 save_as_floats, use_zlib); |
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1428 |
5284 | 1429 std::ios::openmode mode = std::ios::out; |
4791 | 1430 |
6625 | 1431 // Matlab v7 files are always compressed |
1432 if (format == LS_MAT7_BINARY) | |
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1433 use_zlib = false; |
6625 | 1434 |
4791 | 1435 if (format == LS_BINARY |
1436 #ifdef HAVE_HDF5 | |
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1437 || format == LS_HDF5 |
4791 | 1438 #endif |
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1439 || format == LS_MAT_BINARY |
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1440 || format == LS_MAT5_BINARY |
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1441 || format == LS_MAT7_BINARY) |
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1442 mode |= std::ios::binary; |
3189 | 1443 |
5284 | 1444 mode |= append ? std::ios::ate : std::ios::trunc; |
1445 | |
3687 | 1446 #ifdef HAVE_HDF5 |
1447 if (format == LS_HDF5) | |
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1448 { |
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1449 hdf5_ofstream file (fname, mode); |
3687 | 1450 |
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1451 if (file.file_id >= 0) |
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1452 { |
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1453 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1454 |
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1455 file.close (); |
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1456 } |
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1457 else |
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1458 warning ("unable to open '%s' for writing...", fname); |
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1459 } |
3189 | 1460 else |
3687 | 1461 #endif /* HAVE_HDF5 */ |
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1462 // don't insert any commands here! The open brace below must |
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1463 // go with the else above! |
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1464 { |
5284 | 1465 #ifdef HAVE_ZLIB |
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1466 if (use_zlib) |
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1467 { |
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1468 gzofstream file (fname, mode); |
4791 | 1469 |
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1470 if (file) |
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1471 { |
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1472 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1473 |
10315
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1474 file.close (); |
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1475 } |
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|
1476 else |
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|
1477 warning ("unable to open '%s' for writing...", fname); |
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1478 } |
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1479 else |
5284 | 1480 #endif |
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1481 { |
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1482 std::ofstream file (fname, mode); |
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1483 |
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|
1484 if (file) |
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1485 { |
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|
1486 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1487 |
10315
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|
1488 file.close (); |
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|
1489 } |
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|
1490 else |
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John W. Eaton <jwe@octave.org>
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|
1491 warning ("unable to open '%s' for writing...", fname); |
10315
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|
1492 } |
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|
1493 } |
1380 | 1494 } |
1495 } | |
1496 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
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8676
diff
changeset
|
1497 DEFUN (save, args, , |
17787
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1498 "-*- texinfo -*-\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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|
1499 @deftypefn {Command} {} save file\n\ |
11547 | 1500 @deftypefnx {Command} {} save options file\n\ |
1501 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1502 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
7247 | 1503 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
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|
1504 @var{file}. The special filename @samp{-} may be used to write\n\ |
de124edcebf6
Update documentation for load and save
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|
1505 output to the terminal. If no variable names are listed, Octave saves\n\ |
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Update documentation for load and save
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|
1506 all the variables in the current scope. Otherwise, full variable names or\n\ |
de124edcebf6
Update documentation for load and save
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|
1507 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1508 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
9306
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|
1509 of the scalar structure @var{STRUCT} are saved as if they were variables\n\ |
7635
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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7336
diff
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|
1510 with corresponding names.\n\ |
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1511 Valid options for the @code{save} command are listed in the following table.\n\ |
12642
f96b9b9f141b
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Rik <octave@nomad.inbox5.com>
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|
1512 Options that modify the output format override the format specified by\n\ |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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16555
diff
changeset
|
1513 @code{save_default_options}.\n\ |
3372 | 1514 \n\ |
5665 | 1515 If save is invoked using the functional form\n\ |
1516 \n\ | |
1517 @example\n\ | |
7247 | 1518 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1519 @end example\n\ |
1520 \n\ | |
1521 @noindent\n\ | |
1522 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1523 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1524 \n\ |
3372 | 1525 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
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|
1526 @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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|
1527 Append to the destination instead of overwriting.\n\ |
13929
9cae456085c2
Grammarcheck of documentation before 3.6.0 release.
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diff
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|
1528 \n\ |
3372 | 1529 @item -ascii\n\ |
9306
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|
1530 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1531 \n\ |
3372 | 1532 @item -binary\n\ |
1533 Save the data in Octave's binary data format.\n\ | |
1534 \n\ | |
1535 @item -float-binary\n\ | |
1536 Save the data in Octave's binary data format but only using single\n\ | |
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|
1537 precision. Only use this format if you know that all the\n\ |
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|
1538 values to be saved can be represented in single precision.\n\ |
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|
1539 \n\ |
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|
1540 @item -hdf5\n\ |
10840 | 1541 Save the data in @sc{hdf5} format.\n\ |
9306
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|
1542 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1543 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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|
1544 This format is only available if Octave was built with a link to the\n\ |
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|
1545 @sc{hdf5} libraries.\n\ |
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|
1546 \n\ |
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|
1547 @item -float-hdf5\n\ |
10840 | 1548 Save the data in @sc{hdf5} format but only using single precision.\n\ |
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|
1549 Only use this format if you know that all the\n\ |
3372 | 1550 values to be saved can be represented in single precision.\n\ |
1551 \n\ | |
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|
1552 @item -V7\n\ |
5269 | 1553 @itemx -v7\n\ |
1554 @itemx -7\n\ | |
1555 @itemx -mat7-binary\n\ | |
12160
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|
1556 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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1557 \n\ |
17170
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changeset
|
1558 @item -V6\n\ |
5284 | 1559 @itemx -v6\n\ |
5269 | 1560 @itemx -6\n\ |
1561 @itemx -mat\n\ | |
4884 | 1562 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
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diff
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|
1563 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1564 \n\ |
17170
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|
1565 @item -V4\n\ |
5256 | 1566 @itemx -v4\n\ |
1567 @itemx -4\n\ | |
1568 @itemx -mat4-binary\n\ | |
9064
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diff
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|
1569 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1570 \n\ |
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|
1571 @item -text\n\ |
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|
1572 Save the data in Octave's text data format. (default).\n\ |
3687 | 1573 \n\ |
17170
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|
1574 @item -zip\n\ |
5269 | 1575 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
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10840
diff
changeset
|
1576 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
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changeset
|
1577 that are compressed with gzip outside of octave, and gzip can equally be\n\ |
12160
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1578 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1579 This option is only available if Octave was built with a link to the zlib\n\ |
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1580 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1581 @end table\n\ |
604 | 1582 \n\ |
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Update documentation for load and save
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diff
changeset
|
1583 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1584 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1585 \n\ |
3372 | 1586 @table @code\n\ |
1587 @item ?\n\ | |
1588 Match any single character.\n\ | |
1589 \n\ | |
1590 @item *\n\ | |
1591 Match zero or more characters.\n\ | |
1592 \n\ | |
1593 @item [ @var{list} ]\n\ | |
1594 Match the list of characters specified by @var{list}. If the first\n\ | |
1595 character is @code{!} or @code{^}, match all characters except those\n\ | |
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Update documentation for load and save
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changeset
|
1596 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>
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12483
diff
changeset
|
1597 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
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changeset
|
1598 \n\ |
9306
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Update documentation for load and save
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changeset
|
1599 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1600 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1601 \n\ |
3372 | 1602 @end table\n\ |
1603 \n\ | |
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Update documentation for load and save
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1604 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
Update documentation for load and save
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|
1605 @samp{-ascii} format, saving global\n\ |
de124edcebf6
Update documentation for load and save
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1606 variables also saves the global status of the variable. If the variable\n\ |
de124edcebf6
Update documentation for load and save
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changeset
|
1607 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1608 global variable.\n\ |
1609 \n\ | |
1610 The command\n\ | |
1611 \n\ | |
1612 @example\n\ | |
1613 save -binary data a b*\n\ | |
1614 @end example\n\ | |
1615 \n\ | |
1616 @noindent\n\ | |
1617 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1618 the file @file{data} in Octave's binary format.\n\ | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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diff
changeset
|
1619 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1620 @end deftypefn") |
604 | 1621 { |
2086 | 1622 octave_value_list retval; |
604 | 1623 |
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1624 int argc = args.length (); |
1755 | 1625 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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changeset
|
1626 string_vector argv = args.make_argv (); |
1755 | 1627 |
1628 if (error_state) | |
1629 return retval; | |
604 | 1630 |
1358 | 1631 // Here is where we would get the default save format if it were |
1632 // stored in a user preference variable. | |
604 | 1633 |
3019 | 1634 bool save_as_floats = false; |
630 | 1635 |
5284 | 1636 load_save_format format = LS_ASCII; |
604 | 1637 |
3185 | 1638 bool append = false; |
1639 | |
5269 | 1640 bool use_zlib = false; |
1641 | |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1642 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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1643 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
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1644 use_zlib); |
5351 | 1645 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1646 // override from command line |
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|
1647 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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|
1648 use_zlib); |
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|
1649 argc = argv.length (); |
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1650 int i = 0; |
5197 | 1651 |
5284 | 1652 if (error_state) |
1653 return retval; | |
604 | 1654 |
2057 | 1655 if (i == argc) |
604 | 1656 { |
5823 | 1657 print_usage (); |
604 | 1658 return retval; |
1659 } | |
1660 | |
630 | 1661 if (save_as_floats && format == LS_ASCII) |
1662 { | |
1663 error ("save: cannot specify both -ascii and -float-binary"); | |
1664 return retval; | |
1665 } | |
1666 | |
1755 | 1667 if (argv[i] == "-") |
604 | 1668 { |
1755 | 1669 i++; |
863 | 1670 |
3687 | 1671 #ifdef HAVE_HDF5 |
1672 if (format == LS_HDF5) | |
4687 | 1673 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1674 else |
1675 #endif /* HAVE_HDF5 */ | |
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1676 // don't insert any commands here! the brace below must go |
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1677 // with the "else" above! |
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1678 { |
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1679 if (append) |
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|
1680 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1681 |
17787
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1682 // FIXME: should things intended for the screen |
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1683 // end up in an octave_value (string)? |
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1684 |
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1685 save_vars (argv, i, argc, octave_stdout, format, |
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1686 save_as_floats, true); |
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1687 } |
604 | 1688 } |
1755 | 1689 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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changeset
|
1690 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1691 |
1692 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1693 { | |
5823 | 1694 print_usage (); |
604 | 1695 return retval; |
1696 } | |
1697 else | |
1698 { | |
3523 | 1699 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1700 |
1701 i++; | |
604 | 1702 |
6625 | 1703 // Matlab v7 files are always compressed |
1704 if (format == LS_MAT7_BINARY) | |
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1705 use_zlib = false; |
6625 | 1706 |
6759 | 1707 std::ios::openmode mode |
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|
1708 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1709 |
4791 | 1710 if (format == LS_BINARY |
1711 #ifdef HAVE_HDF5 | |
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1712 || format == LS_HDF5 |
4791 | 1713 #endif |
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1714 || format == LS_MAT_BINARY |
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1715 || format == LS_MAT5_BINARY |
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1716 || format == LS_MAT7_BINARY) |
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|
1717 mode |= std::ios::binary; |
3538 | 1718 |
3687 | 1719 #ifdef HAVE_HDF5 |
1720 if (format == LS_HDF5) | |
10315
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|
1721 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
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changeset
|
1722 // FIXME: It should be possible to append to HDF5 files. |
10315
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1723 if (append) |
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|
1724 { |
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|
1725 error ("save: appending to HDF5 files is not implemented"); |
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1726 return retval; |
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|
1727 } |
6759 | 1728 |
11586
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strip trailing whitespace from source files
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|
1729 bool write_header_info = ! (append && |
10315
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|
1730 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1731 |
10315
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1732 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1733 |
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1734 if (hdf5_file.file_id != -1) |
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1735 { |
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1736 save_vars (argv, i, argc, hdf5_file, format, |
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|
1737 save_as_floats, write_header_info); |
3687 | 1738 |
10315
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|
1739 hdf5_file.close (); |
17787
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Rik <rik@octave.org>
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|
1740 } |
175b392e91fe
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|
1741 else |
175b392e91fe
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|
1742 { |
175b392e91fe
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|
1743 gripe_file_open ("save", fname); |
175b392e91fe
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|
1744 return retval; |
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|
1745 } |
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1746 } |
863 | 1747 else |
3687 | 1748 #endif /* HAVE_HDF5 */ |
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1749 // don't insert any statements here! The brace below must go |
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1750 // with the "else" above! |
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1751 { |
5269 | 1752 #ifdef HAVE_ZLIB |
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1753 if (use_zlib) |
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1754 { |
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1755 gzofstream file (fname.c_str (), mode); |
5269 | 1756 |
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1757 if (file) |
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1758 { |
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1759 bool write_header_info = ! file.tellp (); |
6760 | 1760 |
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|
1761 save_vars (argv, i, argc, file, format, |
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|
1762 save_as_floats, write_header_info); |
5269 | 1763 |
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1764 file.close (); |
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1765 } |
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1766 else |
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|
1767 { |
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1768 gripe_file_open ("save", fname); |
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1769 return retval; |
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|
1770 } |
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1771 } |
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1772 else |
5269 | 1773 #endif |
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1774 { |
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1775 std::ofstream file (fname.c_str (), mode); |
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1776 |
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1777 if (file) |
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1778 { |
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1779 bool write_header_info = ! file.tellp (); |
6760 | 1780 |
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1781 save_vars (argv, i, argc, file, format, |
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1782 save_as_floats, write_header_info); |
5269 | 1783 |
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|
1784 file.close (); |
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1785 } |
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1786 else |
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1787 { |
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1788 gripe_file_open ("save", fname); |
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1789 return retval; |
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John W. Eaton <jwe@octave.org>
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1790 } |
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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1791 } |
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1792 } |
604 | 1793 } |
1794 | |
1795 return retval; | |
1796 } | |
1797 | |
5794 | 1798 DEFUN (crash_dumps_octave_core, args, nargout, |
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1799 "-*- texinfo -*-\n\ |
10840 | 1800 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1801 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1802 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1803 Query or set the internal variable that controls whether Octave tries\n\ |
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1804 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1805 crashes or receives a hangup, terminate or similar signal.\n\ |
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1806 \n\ |
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1807 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1808 variable is changed locally for the function and any subroutines it calls. \n\ |
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1809 The original variable value is restored when exiting the function.\n\ |
5794 | 1810 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1811 @end deftypefn") | |
2194 | 1812 { |
5794 | 1813 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1814 } |
1815 | |
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Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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1816 DEFUN (save_default_options, args, nargout, |
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1817 "-*- texinfo -*-\n\ |
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1818 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1819 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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1820 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1821 Query or set the internal variable that specifies the default options\n\ |
1822 for the @code{save} command, and defines the default format.\n\ | |
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1823 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1824 The default value is @option{-text}.\n\ |
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1825 \n\ |
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1826 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1827 variable is changed locally for the function and any subroutines it calls. \n\ |
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1828 The original variable value is restored when exiting the function.\n\ |
5794 | 1829 @seealso{save}\n\ |
1830 @end deftypefn") | |
4788 | 1831 { |
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1832 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1833 } |
1834 | |
5794 | 1835 DEFUN (octave_core_file_limit, args, nargout, |
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1836 "-*- texinfo -*-\n\ |
10840 | 1837 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1838 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1839 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1840 Query or set the internal variable that specifies the maximum amount\n\ |
1841 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1842 attempt to save when writing data to the crash dump file (the name of\n\ | |
1843 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1844 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1845 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1846 size of the file. If a text file format is used, then the file could\n\ | |
1847 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1848 \n\ |
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1849 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1850 variable is changed locally for the function and any subroutines it calls. \n\ |
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1851 The original variable value is restored when exiting the function.\n\ |
5794 | 1852 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1853 @end deftypefn") | |
3709 | 1854 { |
5794 | 1855 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1856 } |
1857 | |
5794 | 1858 DEFUN (octave_core_file_name, args, nargout, |
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1859 "-*- texinfo -*-\n\ |
10840 | 1860 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1861 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1862 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1863 Query or set the internal variable that specifies the name of the file\n\ |
1864 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1865 The default value is @qcode{\"octave-workspace\"}\n\ |
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1866 \n\ |
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1867 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1868 variable is changed locally for the function and any subroutines it calls. \n\ |
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1869 The original variable value is restored when exiting the function.\n\ |
5794 | 1870 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1871 @end deftypefn") | |
2194 | 1872 { |
5794 | 1873 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1874 } | |
4791 | 1875 |
5794 | 1876 DEFUN (octave_core_file_options, args, nargout, |
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1877 "-*- texinfo -*-\n\ |
10840 | 1878 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1879 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1880 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1881 Query or set the internal variable that specifies the options used for\n\ |
1882 saving the workspace data if Octave aborts. The value of\n\ | |
1883 @code{octave_core_file_options} should follow the same format as the\n\ | |
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1884 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1885 format.\n\ |
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1886 \n\ |
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1887 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1888 variable is changed locally for the function and any subroutines it calls. \n\ |
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1889 The original variable value is restored when exiting the function.\n\ |
5642 | 1890 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1891 @end deftypefn") |
1892 { | |
1893 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1894 } | |
2194 | 1895 |
5794 | 1896 DEFUN (save_header_format_string, args, nargout, |
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1897 "-*- texinfo -*-\n\ |
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1898 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1899 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1900 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1901 Query or set the internal variable that specifies the format\n\ |
1902 string used for the comment line written at the beginning of\n\ | |
1903 text-format data files saved by Octave. The format string is\n\ | |
1904 passed to @code{strftime} and should begin with the character\n\ | |
1905 @samp{#} and contain no newline characters. If the value of\n\ | |
1906 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1907 the header comment is omitted from text-format data files. The\n\ |
1908 default value is\n\ | |
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1909 @c Set example in small font to prevent overfull line\n\ |
3709 | 1910 \n\ |
7031 | 1911 @smallexample\n\ |
4060 | 1912 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1913 @end smallexample\n\ |
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1914 \n\ |
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1915 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1916 variable is changed locally for the function and any subroutines it calls. \n\ |
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1917 The original variable value is restored when exiting the function.\n\ |
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1918 @seealso{strftime, save}\n\ |
5794 | 1919 @end deftypefn") |
1920 { | |
1921 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1922 } |