Mercurial > octave-nkf
annotate libinterp/corefcn/load-save.cc @ 18203:adbbacce8aaf
find load file in private directories (bug #35697)
* load-path.cc (find_private_file): New static function.
(load_path::do_find_file): Use it.
* load-save.cc (find_file_to_load): Include file name in warning.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 03 Jan 2014 14:34:47 -0500 |
parents | 6a71e5030df5 |
children | 3afae1432cd6 |
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 tmp = extract_keyword (file, "name"); |
4171 | 269 |
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270 if (! tmp.empty ()) |
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271 retval = LS_ASCII; |
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272 else |
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273 { |
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274 file.clear (); |
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275 file.seekg (0, std::ios::beg); |
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276 |
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277 // FIXME: looks_like_mat_ascii_file does not check to see |
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278 // whether the file contains numbers. It just skips comments |
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279 // and checks for the same number of words on each line. We |
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280 // may need a better check here. The best way to do that |
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281 // might be just to try to read the file and see if it works. |
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282 |
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283 if (looks_like_mat_ascii_file (file, filename)) |
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284 retval = LS_MAT_ASCII; |
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285 } |
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286 } |
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287 } |
604 | 288 } |
289 | |
5269 | 290 return retval; |
291 } | |
5977 | 292 |
5269 | 293 static load_save_format |
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294 get_file_format (const std::string& fname, const std::string& orig_fname, |
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295 bool &use_zlib, bool quiet = false) |
5269 | 296 { |
297 load_save_format retval = LS_UNKNOWN; | |
298 | |
299 #ifdef HAVE_HDF5 | |
300 // check this before we open the file | |
301 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
302 return LS_HDF5; | |
303 #endif /* HAVE_HDF5 */ | |
604 | 304 |
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305 #ifdef HAVE_ZLIB |
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306 use_zlib = check_gzip_magic (fname); |
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307 #else |
5269 | 308 use_zlib = false; |
5977 | 309 #endif |
5269 | 310 |
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311 if (! use_zlib) |
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312 { |
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313 std::ifstream file (fname.c_str ()); |
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314 if (file) |
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315 { |
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316 retval = get_file_format (file, orig_fname); |
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317 file.close (); |
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318 } |
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319 else if (! quiet) |
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320 gripe_file_open ("load", orig_fname); |
5269 | 321 } |
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322 #ifdef HAVE_ZLIB |
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323 else |
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324 { |
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325 gzifstream gzfile (fname.c_str ()); |
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326 if (gzfile) |
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327 { |
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328 retval = get_file_format (gzfile, orig_fname); |
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329 gzfile.close (); |
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330 } |
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331 else if (! quiet) |
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332 gripe_file_open ("load", orig_fname); |
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333 } |
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334 #endif |
604 | 335 |
336 return retval; | |
337 } | |
338 | |
4329 | 339 octave_value |
7336 | 340 do_load (std::istream& stream, const std::string& orig_fname, |
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341 load_save_format format, oct_mach_info::float_format flt_fmt, |
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342 bool list_only, bool swap, bool verbose, |
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343 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 344 { |
3727 | 345 octave_value retval; |
346 | |
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347 octave_scalar_map retstruct; |
604 | 348 |
5765 | 349 std::ostringstream output_buf; |
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350 std::list<std::string> symbol_names; |
4051 | 351 |
5754 | 352 octave_idx_type count = 0; |
4051 | 353 |
604 | 354 for (;;) |
355 { | |
3019 | 356 bool global = false; |
2086 | 357 octave_value tc; |
604 | 358 |
4171 | 359 std::string name; |
360 std::string doc; | |
604 | 361 |
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362 switch (format.type) |
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363 { |
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364 case LS_ASCII: |
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365 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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366 break; |
604 | 367 |
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368 case LS_BINARY: |
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369 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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370 global, tc, doc); |
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371 break; |
604 | 372 |
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373 case LS_MAT_ASCII: |
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374 name = read_mat_ascii_data (stream, orig_fname, tc); |
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375 break; |
2511 | 376 |
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377 case LS_MAT_BINARY: |
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378 name = read_mat_binary_data (stream, orig_fname, tc); |
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379 break; |
604 | 380 |
3687 | 381 #ifdef HAVE_HDF5 |
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382 case LS_HDF5: |
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383 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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384 argv, argv_idx, argc); |
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385 break; |
3687 | 386 #endif /* HAVE_HDF5 */ |
387 | |
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388 case LS_MAT5_BINARY: |
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389 case LS_MAT7_BINARY: |
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390 name = read_mat5_binary_element (stream, orig_fname, swap, |
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391 global, tc); |
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392 break; |
3688 | 393 |
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394 default: |
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395 gripe_unrecognized_data_fmt ("load"); |
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396 break; |
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397 } |
604 | 398 |
4171 | 399 if (error_state || stream.eof () || name.empty ()) |
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400 break; |
4171 | 401 else if (! error_state && ! name.empty ()) |
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402 { |
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403 if (tc.is_defined ()) |
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404 { |
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405 if (format == LS_MAT_ASCII && argv_idx < argc) |
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406 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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407 orig_fname.c_str ()); |
3136 | 408 |
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409 if (format == LS_MAT_ASCII |
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410 || argv_idx == argc |
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411 || matches_patterns (argv, argv_idx, argc, name)) |
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412 { |
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413 count++; |
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414 if (list_only) |
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415 { |
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416 if (verbose) |
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417 { |
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418 if (count == 1) |
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419 output_buf |
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420 << "type rows cols name\n" |
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421 << "==== ==== ==== ====\n"; |
621 | 422 |
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423 output_buf |
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424 << std::setiosflags (std::ios::left) |
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425 << std::setw (16) << tc.type_name () . c_str () |
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426 << std::setiosflags (std::ios::right) |
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427 << std::setw (7) << tc.rows () |
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428 << std::setw (7) << tc.columns () |
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429 << " " << name << "\n"; |
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430 } |
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431 else |
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432 symbol_names.push_back (name); |
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433 } |
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434 else |
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435 { |
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436 if (nargout == 1) |
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437 { |
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438 if (format == LS_MAT_ASCII) |
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439 retval = tc; |
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440 else |
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441 retstruct.assign (name, tc); |
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442 } |
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443 else |
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444 install_loaded_variable (name, tc, global, doc); |
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445 } |
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446 } |
2511 | 447 |
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448 // Only attempt to read one item from a headless text file. |
2511 | 449 |
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450 if (format == LS_MAT_ASCII) |
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451 break; |
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452 } |
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453 else |
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454 error ("load: unable to load variable '%s'", name.c_str ()); |
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455 } |
604 | 456 else |
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457 { |
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458 if (count == 0) |
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459 error ("load: are you sure '%s' is an Octave data file?", |
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460 orig_fname.c_str ()); |
604 | 461 |
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462 break; |
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463 } |
604 | 464 } |
465 | |
621 | 466 if (list_only && count) |
467 { | |
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468 if (verbose) |
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469 { |
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470 std::string msg = output_buf.str (); |
2095 | 471 |
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472 if (nargout > 0) |
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473 retval = msg; |
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474 else |
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475 octave_stdout << msg; |
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476 } |
621 | 477 else |
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478 { |
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479 if (nargout > 0) |
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480 retval = Cell (string_vector (symbol_names)); |
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481 else |
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482 { |
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483 string_vector names (symbol_names); |
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484 |
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485 names.list_in_columns (octave_stdout); |
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486 |
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487 octave_stdout << "\n"; |
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488 } |
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489 } |
621 | 490 } |
6639 | 491 else if (retstruct.nfields () != 0) |
3727 | 492 retval = retstruct; |
621 | 493 |
863 | 494 return retval; |
495 } | |
496 | |
6159 | 497 std::string |
498 find_file_to_load (const std::string& name, const std::string& orig_name) | |
499 { | |
500 std::string fname = name; | |
501 | |
6838 | 502 if (! (octave_env::absolute_pathname (fname) |
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503 || octave_env::rooted_relative_pathname (fname))) |
6159 | 504 { |
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505 // Load path will also search "." first, but we don't want to |
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506 // issue a warning if the file is found in the current directory, |
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507 // so do an explicit check for that. |
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508 |
6159 | 509 file_stat fs (fname); |
510 | |
6584 | 511 if (! (fs.exists () && fs.is_reg ())) |
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512 { |
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513 // Not directly found; search load path. |
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514 |
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515 std::string tmp |
10250 | 516 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 517 |
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518 if (! tmp.empty ()) |
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519 { |
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520 warning_with_id ("Octave:load-file-in-path", |
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521 "load: file found in load path: %s", |
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522 tmp.c_str ()); |
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523 fname = tmp; |
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524 } |
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525 } |
6159 | 526 } |
527 | |
6838 | 528 size_t dot_pos = fname.rfind ("."); |
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529 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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530 |
8021 | 531 if (dot_pos == std::string::npos |
532 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 533 { |
6838 | 534 // Either no '.' in name or no '.' appears after last directory |
535 // separator. | |
536 | |
6159 | 537 file_stat fs (fname); |
538 | |
6584 | 539 if (! (fs.exists () && fs.is_reg ())) |
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540 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 541 } |
542 else | |
543 { | |
544 file_stat fs (fname); | |
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545 |
6584 | 546 if (! (fs.exists () && fs.is_reg ())) |
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547 { |
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548 fname = ""; |
6159 | 549 |
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550 error ("load: unable to find file %s", orig_name.c_str ()); |
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551 } |
6159 | 552 } |
553 | |
554 return fname; | |
555 } | |
556 | |
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557 bool |
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558 is_octave_data_file (const std::string& fname) |
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559 { |
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560 bool use_zlib = false; |
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561 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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562 } |
6159 | 563 |
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564 DEFUN (load, args, nargout, |
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565 "-*- texinfo -*-\n\ |
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566 @deftypefn {Command} {} load file\n\ |
11547 | 567 @deftypefnx {Command} {} load options file\n\ |
568 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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569 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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570 @deftypefnx {Command} {} load file options\n\ |
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571 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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572 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 573 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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574 @var{file}. If no variables are specified then all variables found in the\n\ |
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575 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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576 can be full names or use a pattern syntax. The format of the file is\n\ |
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577 automatically detected but may be overridden by supplying the appropriate\n\ |
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578 option.\n\ |
863 | 579 \n\ |
5665 | 580 If load is invoked using the functional form\n\ |
581 \n\ | |
582 @example\n\ | |
7247 | 583 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 584 @end example\n\ |
585 \n\ | |
586 @noindent\n\ | |
587 then the @var{options}, @var{file}, and variable name arguments\n\ | |
588 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
589 \n\ | |
3372 | 590 If a variable that is not marked as global is loaded from a file when a\n\ |
591 global symbol with the same name already exists, it is loaded in the\n\ | |
592 global symbol table. Also, if a variable is marked as global in a file\n\ | |
593 and a local symbol exists, the local symbol is moved to the global\n\ | |
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594 symbol table and given the value from the file.\n\ |
863 | 595 \n\ |
3727 | 596 If invoked with a single output argument, Octave returns data instead\n\ |
597 of inserting variables in the symbol table. If the data file contains\n\ | |
598 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
599 returned. Otherwise, @code{load} returns a structure with members\n\ | |
600 corresponding to the names of the variables in the file.\n\ | |
601 \n\ | |
3372 | 602 The @code{load} command can read data stored in Octave's text and\n\ |
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603 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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604 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 605 detect the type of file and do conversion from different floating point\n\ |
606 formats (currently only IEEE big and little endian, though other formats\n\ | |
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607 may be added in the future).\n\ |
3372 | 608 \n\ |
609 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 610 \n\ |
3372 | 611 @table @code\n\ |
612 @item -force\n\ | |
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613 This option is accepted for backward compatibility but is ignored.\n\ |
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614 Octave now overwrites variables currently in memory with\n\ |
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615 those of the same name found in the file.\n\ |
3372 | 616 \n\ |
617 @item -ascii\n\ | |
5938 | 618 Force Octave to assume the file contains columns of numbers in text format\n\ |
619 without any header or other information. Data in the file will be loaded\n\ | |
620 as a single numeric matrix with the name of the variable derived from the\n\ | |
621 name of the file.\n\ | |
5197 | 622 \n\ |
3372 | 623 @item -binary\n\ |
624 Force Octave to assume the file is in Octave's binary format.\n\ | |
625 \n\ | |
3687 | 626 @item -hdf5\n\ |
10840 | 627 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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628 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 629 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 630 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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631 skip some datasets in formats that it cannot support. This format is\n\ |
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632 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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633 \n\ |
3687 | 634 @item -import\n\ |
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635 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 636 Octave can now support multi-dimensional HDF data and automatically\n\ |
637 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 638 \n\ |
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639 @item -mat\n\ |
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640 @itemx -mat-binary\n\ |
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641 @itemx -6\n\ |
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642 @itemx -v6\n\ |
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643 @itemx -7\n\ |
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644 @itemx -v7\n\ |
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645 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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646 format.\n\ |
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647 \n\ |
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648 @item -mat4-binary\n\ |
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649 @itemx -4\n\ |
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650 @itemx -v4\n\ |
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651 @itemx -V4\n\ |
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652 Force Octave to assume the file is in the binary format written by\n\ |
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653 @sc{matlab} version 4.\n\ |
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654 \n\ |
5198 | 655 @item -text\n\ |
5197 | 656 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 657 @end table\n\ |
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658 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 659 @end deftypefn") |
863 | 660 { |
2086 | 661 octave_value_list retval; |
863 | 662 |
1755 | 663 int argc = args.length () + 1; |
664 | |
1968 | 665 string_vector argv = args.make_argv ("load"); |
1755 | 666 |
667 if (error_state) | |
668 return retval; | |
863 | 669 |
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670 int i = 1; |
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671 std::string orig_fname = ""; |
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672 |
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673 // Function called with Matlab-style ["filename", options] syntax |
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674 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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675 { |
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676 orig_fname = argv[1]; |
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677 i++; |
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678 } |
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679 |
1358 | 680 // It isn't necessary to have the default load format stored in a |
681 // user preference variable since we can determine the type of file | |
682 // as we are reading. | |
863 | 683 |
684 load_save_format format = LS_UNKNOWN; | |
685 | |
3019 | 686 bool list_only = false; |
687 bool verbose = false; | |
863 | 688 |
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689 //for (i; i < argc; i++) |
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690 for (; i < argc; i++) |
863 | 691 { |
1755 | 692 if (argv[i] == "-force" || argv[i] == "-f") |
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693 { |
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694 // Silently ignore this |
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695 // warning ("load: -force ignored"); |
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696 } |
1755 | 697 else if (argv[i] == "-list" || argv[i] == "-l") |
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698 { |
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699 list_only = true; |
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700 } |
1755 | 701 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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702 { |
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703 verbose = true; |
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704 } |
1755 | 705 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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706 { |
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707 format = LS_MAT_ASCII; |
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708 } |
1755 | 709 else if (argv[i] == "-binary" || argv[i] == "-b") |
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710 { |
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711 format = LS_BINARY; |
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712 } |
5269 | 713 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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714 || argv[i] == "-6" || argv[i] == "-v6") |
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715 { |
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716 format = LS_MAT5_BINARY; |
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717 } |
7819
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718 else if (argv[i] == "-7" || argv[i] == "-v7") |
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719 { |
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720 format = LS_MAT7_BINARY; |
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721 } |
5256 | 722 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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723 || argv[i] == "-v4" || argv[i] == "-4") |
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724 { |
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725 format = LS_MAT_BINARY; |
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726 } |
3687 | 727 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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728 { |
3687 | 729 #ifdef HAVE_HDF5 |
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730 format = LS_HDF5; |
3687 | 731 #else /* ! HAVE_HDF5 */ |
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732 error ("load: octave executable was not linked with HDF5 library"); |
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733 return retval; |
3687 | 734 #endif /* ! HAVE_HDF5 */ |
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735 } |
3687 | 736 else if (argv[i] == "-import" || argv[i] == "-i") |
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737 { |
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738 warning ("load: -import ignored"); |
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739 } |
5197 | 740 else if (argv[i] == "-text" || argv[i] == "-t") |
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741 { |
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742 format = LS_ASCII; |
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743 } |
863 | 744 else |
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745 break; |
863 | 746 } |
747 | |
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748 if (orig_fname == "") |
863 | 749 { |
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750 if (i == argc) |
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751 { |
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752 print_usage (); |
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753 return retval; |
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754 } |
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755 else |
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756 orig_fname = argv[i]; |
863 | 757 } |
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758 else |
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759 i--; |
863 | 760 |
4574 | 761 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 762 |
3019 | 763 bool swap = false; |
863 | 764 |
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765 if (orig_fname == "-") |
863 | 766 { |
1755 | 767 i++; |
863 | 768 |
3687 | 769 #ifdef HAVE_HDF5 |
770 if (format == LS_HDF5) | |
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771 error ("load: cannot read HDF5 format from stdin"); |
3687 | 772 else |
773 #endif /* HAVE_HDF5 */ | |
863 | 774 if (format != LS_UNKNOWN) |
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775 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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|
776 // FIXME: if we have already seen EOF on a previous call, |
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777 // how do we fix up the state of std::cin so that we can get |
870f3e12e163
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778 // additional input? I'm afraid that we can't fix this |
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779 // using std::cin only. |
3531 | 780 |
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781 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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782 list_only, swap, verbose, argv, i, argc, |
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783 nargout); |
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784 } |
863 | 785 else |
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786 error ("load: must specify file format if reading from stdin"); |
863 | 787 } |
788 else | |
789 { | |
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790 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 791 |
792 fname = find_file_to_load (fname, orig_fname); | |
863 | 793 |
6159 | 794 if (error_state) |
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795 return retval; |
6159 | 796 |
797 bool use_zlib = false; | |
5089 | 798 |
863 | 799 if (format == LS_UNKNOWN) |
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800 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 801 |
3687 | 802 #ifdef HAVE_HDF5 |
803 if (format == LS_HDF5) | |
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804 { |
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805 i++; |
3687 | 806 |
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807 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 808 |
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809 if (hdf5_file.file_id >= 0) |
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810 { |
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811 retval = do_load (hdf5_file, orig_fname, format, |
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812 flt_fmt, list_only, swap, verbose, |
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813 argv, i, argc, nargout); |
4844 | 814 |
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815 hdf5_file.close (); |
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816 } |
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817 else |
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818 gripe_file_open ("load", orig_fname); |
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819 } |
3687 | 820 else |
821 #endif /* HAVE_HDF5 */ | |
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822 // don't insert any statements here; the "else" above has to |
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823 // go with the "if" below!!!!! |
863 | 824 if (format != LS_UNKNOWN) |
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825 { |
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826 i++; |
863 | 827 |
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828 // Always open in binary mode and handle various |
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829 // line-endings explicitly. |
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830 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 831 |
5269 | 832 #ifdef HAVE_ZLIB |
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833 if (use_zlib) |
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834 { |
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835 gzifstream file (fname.c_str (), mode); |
863 | 836 |
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837 if (file) |
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838 { |
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839 if (format == LS_BINARY) |
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840 { |
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841 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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842 { |
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843 if (file) file.close (); |
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844 return retval; |
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845 } |
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846 } |
11586
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847 else if (format == LS_MAT5_BINARY |
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848 || format == LS_MAT7_BINARY) |
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849 { |
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850 if (read_mat5_binary_file_header (file, swap, false, |
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851 orig_fname) < 0) |
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852 { |
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853 if (file) file.close (); |
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854 return retval; |
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855 } |
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856 } |
5269 | 857 |
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858 retval = do_load (file, orig_fname, format, |
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859 flt_fmt, list_only, swap, verbose, |
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860 argv, i, argc, nargout); |
5269 | 861 |
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862 file.close (); |
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863 } |
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864 else |
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865 gripe_file_open ("load", orig_fname); |
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866 } |
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867 else |
5269 | 868 #endif |
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869 { |
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870 std::ifstream file (fname.c_str (), mode); |
5269 | 871 |
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872 if (file) |
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873 { |
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874 if (format == LS_BINARY) |
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875 { |
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876 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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877 { |
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878 if (file) file.close (); |
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879 return retval; |
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880 } |
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881 } |
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882 else if (format == LS_MAT5_BINARY |
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883 || format == LS_MAT7_BINARY) |
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884 { |
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885 if (read_mat5_binary_file_header (file, swap, false, |
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886 orig_fname) < 0) |
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887 { |
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888 if (file) file.close (); |
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889 return retval; |
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890 } |
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891 } |
5269 | 892 |
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893 retval = do_load (file, orig_fname, format, |
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894 flt_fmt, list_only, swap, verbose, |
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895 argv, i, argc, nargout); |
5269 | 896 |
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897 file.close (); |
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898 } |
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899 else |
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900 error ("load: unable to open input file '%s'", |
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901 orig_fname.c_str ()); |
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902 } |
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903 } |
863 | 904 } |
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905 |
604 | 906 return retval; |
907 } | |
908 | |
3019 | 909 // Return TRUE if PATTERN has any special globbing chars in it. |
910 | |
911 static bool | |
3523 | 912 glob_pattern_p (const std::string& pattern) |
604 | 913 { |
914 int open = 0; | |
915 | |
1755 | 916 int len = pattern.length (); |
917 | |
918 for (int i = 0; i < len; i++) | |
604 | 919 { |
1755 | 920 char c = pattern[i]; |
921 | |
604 | 922 switch (c) |
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923 { |
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924 case '?': |
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925 case '*': |
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926 return true; |
604 | 927 |
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928 case '[': // Only accept an open brace if there is a close |
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929 open++; // brace to match it. Bracket expressions must be |
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930 continue; // complete, according to Posix.2 |
604 | 931 |
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932 case ']': |
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933 if (open) |
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934 return true; |
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935 continue; |
4402 | 936 |
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937 case '\\': |
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938 if (i == len - 1) |
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939 return false; |
604 | 940 |
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941 default: |
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942 continue; |
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943 } |
604 | 944 } |
945 | |
3019 | 946 return false; |
604 | 947 } |
948 | |
4791 | 949 static void |
950 do_save (std::ostream& os, const octave_value& tc, | |
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951 const std::string& name, const std::string& help, |
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952 bool global, load_save_format fmt, bool save_as_floats) |
604 | 953 { |
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954 switch (fmt.type) |
604 | 955 { |
956 case LS_ASCII: | |
6974 | 957 save_ascii_data (os, tc, name, global, 0); |
604 | 958 break; |
959 | |
960 case LS_BINARY: | |
630 | 961 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 962 break; |
963 | |
5938 | 964 case LS_MAT_ASCII: |
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965 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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966 fmt.opts & LS_MAT_ASCII_TABS)) |
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967 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 968 break; |
969 | |
667 | 970 case LS_MAT_BINARY: |
971 save_mat_binary_data (os, tc, name); | |
972 break; | |
973 | |
3687 | 974 #ifdef HAVE_HDF5 |
975 case LS_HDF5: | |
976 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
977 break; | |
978 #endif /* HAVE_HDF5 */ | |
979 | |
3688 | 980 case LS_MAT5_BINARY: |
5269 | 981 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
982 break; | |
983 | |
984 case LS_MAT7_BINARY: | |
985 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 986 break; |
987 | |
604 | 988 default: |
775 | 989 gripe_unrecognized_data_fmt ("save"); |
604 | 990 break; |
991 } | |
992 } | |
993 | |
4791 | 994 // Save the info from SR on stream OS in the format specified by FMT. |
995 | |
996 void | |
7336 | 997 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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998 load_save_format fmt, bool save_as_floats) |
4791 | 999 { |
7336 | 1000 octave_value val = sr.varval (); |
4791 | 1001 |
7336 | 1002 if (val.is_defined ()) |
4791 | 1003 { |
7336 | 1004 std::string name = sr.name (); |
1005 std::string help; | |
1006 bool global = sr.is_global (); | |
4791 | 1007 |
7336 | 1008 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 1009 } |
1010 } | |
1011 | |
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1012 // save fields of a scalar structure STR matching PATTERN on stream OS |
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1013 // in the format specified by FMT. |
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1014 |
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1015 static size_t |
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1016 save_fields (std::ostream& os, const octave_scalar_map& m, |
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1017 const std::string& pattern, |
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1018 load_save_format fmt, bool save_as_floats) |
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1019 { |
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1020 glob_match pat (pattern); |
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1021 |
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1022 size_t saved = 0; |
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1023 |
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1024 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1025 { |
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1026 std::string empty_str; |
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1027 |
14861
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1028 if (pat.match (m.key (p))) |
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1029 { |
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1030 do_save (os, m.contents (p), m.key (p), empty_str, |
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1031 0, fmt, save_as_floats); |
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1032 |
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1033 saved++; |
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1034 } |
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1035 } |
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1036 |
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1037 return saved; |
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1038 } |
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1039 |
604 | 1040 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1041 // format specified by FMT. |
604 | 1042 |
7336 | 1043 static size_t |
5794 | 1044 save_vars (std::ostream& os, const std::string& pattern, |
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1045 load_save_format fmt, bool save_as_floats) |
604 | 1046 { |
7336 | 1047 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1048 | |
1049 size_t saved = 0; | |
3355 | 1050 |
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1051 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1052 const_vars_iterator; |
3355 | 1053 |
7336 | 1054 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1055 { |
7336 | 1056 do_save (os, *p, fmt, save_as_floats); |
620 | 1057 |
1058 if (error_state) | |
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1059 break; |
7336 | 1060 |
1061 saved++; | |
620 | 1062 } |
604 | 1063 |
1064 return saved; | |
1065 } | |
1066 | |
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1067 static string_vector |
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1068 parse_save_options (const string_vector &argv, |
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1069 load_save_format &format, bool &append, |
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1070 bool &save_as_floats, bool &use_zlib) |
604 | 1071 { |
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1072 string_vector retval; |
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1073 int argc = argv.length (); |
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1074 |
18099
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Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
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1075 bool do_double = false; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
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1076 bool do_tabs = false; |
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1077 |
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1078 for (int i = 0; i < argc; i++) |
5284 | 1079 { |
1080 if (argv[i] == "-append") | |
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1081 { |
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1082 append = true; |
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1083 } |
5284 | 1084 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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1085 { |
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1086 format = LS_MAT_ASCII; |
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1087 } |
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1088 else if (argv[i] == "-double") |
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1089 { |
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1090 do_double = true; |
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1091 } |
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1092 else if (argv[i] == "-tabs") |
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1093 { |
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1094 do_tabs = true; |
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1095 } |
5284 | 1096 else if (argv[i] == "-text" || argv[i] == "-t") |
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1097 { |
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1098 format = LS_ASCII; |
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1099 } |
5284 | 1100 else if (argv[i] == "-binary" || argv[i] == "-b") |
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1101 { |
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1102 format = LS_BINARY; |
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1103 } |
5284 | 1104 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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1105 { |
3687 | 1106 #ifdef HAVE_HDF5 |
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1107 format = LS_HDF5; |
5284 | 1108 #else /* ! HAVE_HDF5 */ |
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1109 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1110 #endif /* ! HAVE_HDF5 */ |
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1111 } |
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1112 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1113 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1114 || argv[i] == "-V6") |
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1115 { |
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1116 format = LS_MAT5_BINARY; |
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1117 } |
5284 | 1118 #ifdef HAVE_ZLIB |
11586
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1119 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1120 || argv[i] == "-v7" || argv[i] == "-V7") |
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1121 { |
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1122 format = LS_MAT7_BINARY; |
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1123 } |
5284 | 1124 #endif |
1125 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1126 || argv[i] == "-v4" || argv[i] == "-4") |
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1127 { |
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1128 format = LS_MAT_BINARY; |
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1129 } |
5284 | 1130 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1131 { |
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1132 format = LS_BINARY; |
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1133 save_as_floats = true; |
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1134 } |
5284 | 1135 else if (argv[i] == "-float-hdf5") |
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1136 { |
5284 | 1137 #ifdef HAVE_HDF5 |
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1138 format = LS_HDF5; |
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1139 save_as_floats = true; |
5284 | 1140 #else /* ! HAVE_HDF5 */ |
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1141 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1142 #endif /* ! HAVE_HDF5 */ |
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1143 } |
5284 | 1144 #ifdef HAVE_ZLIB |
1145 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1146 { |
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1147 use_zlib = true; |
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1148 } |
5284 | 1149 #endif |
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1150 else if (argv[i] == "-struct") |
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1151 { |
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1152 retval.append (argv[i]); |
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1153 } |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
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1154 else if (argv[i][0] == '-') |
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1155 { |
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1156 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
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1157 } |
5284 | 1158 else |
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1159 retval.append (argv[i]); |
5284 | 1160 } |
1161 | |
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1162 if (do_double) |
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1163 { |
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1164 if (format == LS_MAT_ASCII) |
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1165 format.opts |= LS_MAT_ASCII_LONG; |
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1166 else |
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1167 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1168 } |
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1169 |
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1170 if (do_tabs) |
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1171 { |
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1172 if (format == LS_MAT_ASCII) |
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1173 format.opts |= LS_MAT_ASCII_TABS; |
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1174 else |
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1175 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1176 } |
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1177 |
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1178 return retval; |
5284 | 1179 } |
1180 | |
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1181 static string_vector |
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1182 parse_save_options (const std::string &arg, load_save_format &format, |
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1183 bool &append, bool &save_as_floats, |
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1184 bool &use_zlib) |
5284 | 1185 { |
5765 | 1186 std::istringstream is (arg); |
5284 | 1187 std::string str; |
1188 string_vector argv; | |
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1189 |
5765 | 1190 while (! is.eof ()) |
5284 | 1191 { |
1192 is >> str; | |
1193 argv.append (str); | |
1194 } | |
1195 | |
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1196 return parse_save_options (argv, format, append, save_as_floats, |
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1197 use_zlib); |
604 | 1198 } |
1199 | |
4329 | 1200 void |
3523 | 1201 write_header (std::ostream& os, load_save_format format) |
863 | 1202 { |
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1203 switch (format.type) |
863 | 1204 { |
3185 | 1205 case LS_BINARY: |
1206 { | |
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1207 os << (oct_mach_info::words_big_endian () |
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1208 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1209 |
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1210 oct_mach_info::float_format flt_fmt = |
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1211 oct_mach_info::native_float_format (); |
3185 | 1212 |
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1213 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1214 |
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1215 os.write (&tmp, 1); |
3185 | 1216 } |
3688 | 1217 break; |
1218 | |
1219 case LS_MAT5_BINARY: | |
5269 | 1220 case LS_MAT7_BINARY: |
3688 | 1221 { |
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1222 char const * versionmagic; |
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1223 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1224 struct tm bdt; |
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1225 time_t now; |
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1226 char headertext[128]; |
3688 | 1227 |
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1228 time (&now); |
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1229 bdt = *gmtime (&now); |
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1230 memset (headertext, ' ', 124); |
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1231 // ISO 8601 format date |
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1232 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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1233 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1234 |
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1235 // The first pair of bytes give the version of the MAT file |
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1236 // format. The second pair of bytes form a magic number which |
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1237 // signals a MAT file. MAT file data are always written in |
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1238 // native byte order. The order of the bytes in the second |
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1239 // pair indicates whether the file was written by a big- or |
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1240 // little-endian machine. However, the version number is |
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1241 // written in the *opposite* byte order from everything else! |
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1242 if (number == 1) |
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1243 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1244 else |
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1245 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1246 |
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1247 memcpy (headertext+124, versionmagic, 4); |
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1248 os.write (headertext, 128); |
3688 | 1249 } |
1250 | |
1251 break; | |
3185 | 1252 |
3687 | 1253 #ifdef HAVE_HDF5 |
1254 case LS_HDF5: | |
1255 #endif /* HAVE_HDF5 */ | |
3185 | 1256 case LS_ASCII: |
1257 { | |
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1258 octave_localtime now; |
3709 | 1259 |
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|
1260 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1261 |
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1262 if (! comment_string.empty ()) |
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1263 { |
3687 | 1264 #ifdef HAVE_HDF5 |
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1265 if (format == LS_HDF5) |
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1266 { |
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|
1267 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1268 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1269 } |
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1270 else |
3687 | 1271 #endif /* HAVE_HDF5 */ |
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1272 os << comment_string << "\n"; |
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1273 } |
3185 | 1274 } |
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Rik <rik@octave.org>
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1275 break; |
3185 | 1276 |
1277 default: | |
1278 break; | |
863 | 1279 } |
1280 } | |
1281 | |
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1282 void |
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1283 octave_prepare_hdf5 (void) |
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1284 { |
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1285 #ifdef HAVE_HDF5 |
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1286 H5dont_atexit (); |
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1287 #endif |
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1288 } |
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1289 |
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1290 void |
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1291 octave_finalize_hdf5 (void) |
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1292 { |
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1293 #ifdef HAVE_HDF5 |
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1294 H5close (); |
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1295 #endif |
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1296 } |
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1297 |
863 | 1298 static void |
3769 | 1299 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1300 std::ostream& os, load_save_format fmt, |
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1301 bool save_as_floats, bool write_header_info) |
863 | 1302 { |
3185 | 1303 if (write_header_info) |
1304 write_header (os, fmt); | |
863 | 1305 |
1755 | 1306 if (argv_idx == argc) |
863 | 1307 { |
5794 | 1308 save_vars (os, "*", fmt, save_as_floats); |
863 | 1309 } |
7635
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1310 else if (argv[argv_idx] == "-struct") |
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1311 { |
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1312 if (++argv_idx >= argc) |
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1313 { |
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1314 error ("save: missing struct name"); |
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1315 return; |
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1316 } |
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1317 |
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1318 std::string struct_name = argv[argv_idx]; |
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1319 |
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1320 if (! symbol_table::is_variable (struct_name)) |
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1321 { |
15466
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|
1322 error ("save: no such variable: '%s'", struct_name.c_str ()); |
7635
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1323 return; |
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|
1324 } |
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1325 |
16442
302157614308
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|
1326 octave_value struct_var = symbol_table::varval (struct_name); |
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1327 |
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|
1328 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1329 { |
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1330 error ("save: '%s' is not a scalar structure", |
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1331 struct_name.c_str ()); |
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1332 return; |
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1333 } |
11059
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|
1334 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1335 |
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1336 ++argv_idx; |
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1337 |
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1338 if (argv_idx < argc) |
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1339 { |
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1340 for (int i = argv_idx; i < argc; i++) |
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1341 { |
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1342 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1343 save_as_floats)) |
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1344 { |
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1345 warning ("save: no such field '%s.%s'", |
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1346 struct_name.c_str (), argv[i].c_str ()); |
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1347 } |
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1348 } |
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1349 } |
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|
1350 else |
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1351 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1352 } |
863 | 1353 else |
1354 { | |
1755 | 1355 for (int i = argv_idx; i < argc; i++) |
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1356 { |
17349
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
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17281
diff
changeset
|
1357 if (argv[i] == "") |
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
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|
1358 continue; // Skip empty vars for Matlab compatibility |
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1359 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
15466
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1360 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1361 } |
863 | 1362 } |
1363 } | |
1364 | |
5284 | 1365 static void |
1366 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1367 bool save_as_floats) |
4791 | 1368 { |
1369 write_header (os, fmt); | |
1370 | |
7767
71f068b22fcc
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1371 std::list<symbol_table::symbol_record> vars |
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|
1372 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1373 |
1374 double save_mem_size = 0; | |
1375 | |
17787
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|
1376 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1377 const_vars_iterator; |
7336 | 1378 |
1379 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1380 { |
7336 | 1381 octave_value val = p->varval (); |
4791 | 1382 |
7336 | 1383 if (val.is_defined ()) |
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1384 { |
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1385 std::string name = p->name (); |
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1386 std::string help; |
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1387 bool global = p->is_global (); |
4791 | 1388 |
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1389 double val_size = val.byte_size () / 1024; |
4791 | 1390 |
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1391 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1392 |
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1393 if (Voctave_core_file_limit < 0 |
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1394 || save_mem_size + val_size < Voctave_core_file_limit) |
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1395 { |
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1396 save_mem_size += val_size; |
4791 | 1397 |
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1398 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1399 |
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1400 if (error_state) |
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1401 break; |
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1402 } |
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1403 } |
4791 | 1404 } |
1405 | |
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1406 message (0, "save to '%s' complete", fname); |
4791 | 1407 } |
1408 | |
1409 void | |
1410 dump_octave_core (void) | |
1380 | 1411 { |
3189 | 1412 if (Vcrash_dumps_octave_core) |
1380 | 1413 { |
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1414 // FIXME: should choose better file name? |
3189 | 1415 |
4791 | 1416 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1417 |
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1418 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1419 |
5284 | 1420 load_save_format format = LS_BINARY; |
1421 | |
1422 bool save_as_floats = false; | |
1423 | |
1424 bool append = false; | |
3189 | 1425 |
5284 | 1426 bool use_zlib = false; |
1427 | |
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1428 parse_save_options (Voctave_core_file_options, format, append, |
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1429 save_as_floats, use_zlib); |
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1430 |
5284 | 1431 std::ios::openmode mode = std::ios::out; |
4791 | 1432 |
6625 | 1433 // Matlab v7 files are always compressed |
1434 if (format == LS_MAT7_BINARY) | |
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1435 use_zlib = false; |
6625 | 1436 |
4791 | 1437 if (format == LS_BINARY |
1438 #ifdef HAVE_HDF5 | |
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1439 || format == LS_HDF5 |
4791 | 1440 #endif |
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1441 || format == LS_MAT_BINARY |
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1442 || format == LS_MAT5_BINARY |
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1443 || format == LS_MAT7_BINARY) |
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1444 mode |= std::ios::binary; |
3189 | 1445 |
5284 | 1446 mode |= append ? std::ios::ate : std::ios::trunc; |
1447 | |
3687 | 1448 #ifdef HAVE_HDF5 |
1449 if (format == LS_HDF5) | |
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1450 { |
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1451 hdf5_ofstream file (fname, mode); |
3687 | 1452 |
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1453 if (file.file_id >= 0) |
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1454 { |
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1455 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1456 |
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1457 file.close (); |
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1458 } |
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1459 else |
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1460 warning ("unable to open '%s' for writing...", fname); |
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1461 } |
3189 | 1462 else |
3687 | 1463 #endif /* HAVE_HDF5 */ |
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1464 // don't insert any commands here! The open brace below must |
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1465 // go with the else above! |
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1466 { |
5284 | 1467 #ifdef HAVE_ZLIB |
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1468 if (use_zlib) |
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1469 { |
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1470 gzofstream file (fname, mode); |
4791 | 1471 |
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1472 if (file) |
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1473 { |
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1474 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1475 |
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1476 file.close (); |
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1477 } |
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1478 else |
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|
1479 warning ("unable to open '%s' for writing...", fname); |
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1480 } |
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1481 else |
5284 | 1482 #endif |
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1483 { |
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1484 std::ofstream file (fname, mode); |
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1485 |
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|
1486 if (file) |
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1487 { |
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|
1488 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1489 |
10315
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|
1490 file.close (); |
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|
1491 } |
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1492 else |
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|
1493 warning ("unable to open '%s' for writing...", fname); |
10315
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1494 } |
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|
1495 } |
1380 | 1496 } |
1497 } | |
1498 | |
8746
5dd06f19e9be
handle commands in the lexer
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diff
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|
1499 DEFUN (save, args, , |
17787
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Use GNU style coding conventions for code in libinterp/
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|
1500 "-*- texinfo -*-\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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|
1501 @deftypefn {Command} {} save file\n\ |
11547 | 1502 @deftypefnx {Command} {} save options file\n\ |
1503 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1504 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
7247 | 1505 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
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|
1506 @var{file}. The special filename @samp{-} may be used to write\n\ |
de124edcebf6
Update documentation for load and save
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|
1507 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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|
1508 all the variables in the current scope. Otherwise, full variable names or\n\ |
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Update documentation for load and save
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|
1509 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1510 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
9306
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|
1511 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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diff
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|
1512 with corresponding names.\n\ |
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1513 Valid options for the @code{save} command are listed in the following table.\n\ |
12642
f96b9b9f141b
doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
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diff
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|
1514 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
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|
1515 @code{save_default_options}.\n\ |
3372 | 1516 \n\ |
5665 | 1517 If save is invoked using the functional form\n\ |
1518 \n\ | |
1519 @example\n\ | |
7247 | 1520 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1521 @end example\n\ |
1522 \n\ | |
1523 @noindent\n\ | |
1524 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1525 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1526 \n\ |
3372 | 1527 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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12642
diff
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|
1528 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
changeset
|
1529 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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|
1530 \n\ |
3372 | 1531 @item -ascii\n\ |
9306
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|
1532 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1533 \n\ |
3372 | 1534 @item -binary\n\ |
1535 Save the data in Octave's binary data format.\n\ | |
1536 \n\ | |
1537 @item -float-binary\n\ | |
1538 Save the data in Octave's binary data format but only using single\n\ | |
9306
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|
1539 precision. Only use this format if you know that all the\n\ |
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|
1540 values to be saved can be represented in single precision.\n\ |
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|
1541 \n\ |
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|
1542 @item -hdf5\n\ |
10840 | 1543 Save the data in @sc{hdf5} format.\n\ |
9306
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|
1544 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1545 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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|
1546 This format is only available if Octave was built with a link to the\n\ |
b64b82721062
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|
1547 @sc{hdf5} libraries.\n\ |
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|
1548 \n\ |
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|
1549 @item -float-hdf5\n\ |
10840 | 1550 Save the data in @sc{hdf5} format but only using single precision.\n\ |
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|
1551 Only use this format if you know that all the\n\ |
3372 | 1552 values to be saved can be represented in single precision.\n\ |
1553 \n\ | |
17170
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|
1554 @item -V7\n\ |
5269 | 1555 @itemx -v7\n\ |
1556 @itemx -7\n\ | |
1557 @itemx -mat7-binary\n\ | |
12160
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|
1558 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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|
1559 \n\ |
17170
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changeset
|
1560 @item -V6\n\ |
5284 | 1561 @itemx -v6\n\ |
5269 | 1562 @itemx -6\n\ |
1563 @itemx -mat\n\ | |
4884 | 1564 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
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diff
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|
1565 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1566 \n\ |
17170
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changeset
|
1567 @item -V4\n\ |
5256 | 1568 @itemx -v4\n\ |
1569 @itemx -4\n\ | |
1570 @itemx -mat4-binary\n\ | |
9064
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Check grammar on all .cc files
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diff
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|
1571 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1572 \n\ |
9306
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|
1573 @item -text\n\ |
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|
1574 Save the data in Octave's text data format. (default).\n\ |
3687 | 1575 \n\ |
17170
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changeset
|
1576 @item -zip\n\ |
5269 | 1577 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
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10840
diff
changeset
|
1578 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1579 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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|
1580 used to convert the files for backward compatibility.\n\ |
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1581 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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|
1582 libraries.\n\ |
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1583 @end table\n\ |
604 | 1584 \n\ |
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Update documentation for load and save
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1585 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1586 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1587 \n\ |
3372 | 1588 @table @code\n\ |
1589 @item ?\n\ | |
1590 Match any single character.\n\ | |
1591 \n\ | |
1592 @item *\n\ | |
1593 Match zero or more characters.\n\ | |
1594 \n\ | |
1595 @item [ @var{list} ]\n\ | |
1596 Match the list of characters specified by @var{list}. If the first\n\ | |
1597 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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|
1598 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
|
1599 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
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|
1600 \n\ |
9306
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Update documentation for load and save
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|
1601 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1602 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1603 \n\ |
3372 | 1604 @end table\n\ |
1605 \n\ | |
9306
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Update documentation for load and save
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1606 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
Update documentation for load and save
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|
1607 @samp{-ascii} format, saving global\n\ |
de124edcebf6
Update documentation for load and save
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|
1608 variables also saves the global status of the variable. If the variable\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
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diff
changeset
|
1609 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1610 global variable.\n\ |
1611 \n\ | |
1612 The command\n\ | |
1613 \n\ | |
1614 @example\n\ | |
1615 save -binary data a b*\n\ | |
1616 @end example\n\ | |
1617 \n\ | |
1618 @noindent\n\ | |
1619 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1620 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
|
1621 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1622 @end deftypefn") |
604 | 1623 { |
2086 | 1624 octave_value_list retval; |
604 | 1625 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1626 int argc = args.length (); |
1755 | 1627 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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changeset
|
1628 string_vector argv = args.make_argv (); |
1755 | 1629 |
1630 if (error_state) | |
1631 return retval; | |
604 | 1632 |
1358 | 1633 // Here is where we would get the default save format if it were |
1634 // stored in a user preference variable. | |
604 | 1635 |
3019 | 1636 bool save_as_floats = false; |
630 | 1637 |
5284 | 1638 load_save_format format = LS_ASCII; |
604 | 1639 |
3185 | 1640 bool append = false; |
1641 | |
5269 | 1642 bool use_zlib = false; |
1643 | |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1644 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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|
1645 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
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|
1646 use_zlib); |
5351 | 1647 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1648 // override from command line |
11586
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John W. Eaton <jwe@octave.org>
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|
1649 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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Jaroslav Hajek <highegg@gmail.com>
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|
1650 use_zlib); |
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|
1651 argc = argv.length (); |
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
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|
1652 int i = 0; |
5197 | 1653 |
5284 | 1654 if (error_state) |
1655 return retval; | |
604 | 1656 |
2057 | 1657 if (i == argc) |
604 | 1658 { |
5823 | 1659 print_usage (); |
604 | 1660 return retval; |
1661 } | |
1662 | |
630 | 1663 if (save_as_floats && format == LS_ASCII) |
1664 { | |
1665 error ("save: cannot specify both -ascii and -float-binary"); | |
1666 return retval; | |
1667 } | |
1668 | |
1755 | 1669 if (argv[i] == "-") |
604 | 1670 { |
1755 | 1671 i++; |
863 | 1672 |
3687 | 1673 #ifdef HAVE_HDF5 |
1674 if (format == LS_HDF5) | |
4687 | 1675 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1676 else |
1677 #endif /* HAVE_HDF5 */ | |
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1678 // don't insert any commands here! the brace below must go |
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1679 // with the "else" above! |
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1680 { |
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1681 if (append) |
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|
1682 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1683 |
17787
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1684 // FIXME: should things intended for the screen |
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1685 // end up in an octave_value (string)? |
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1686 |
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1687 save_vars (argv, i, argc, octave_stdout, format, |
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1688 save_as_floats, true); |
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1689 } |
604 | 1690 } |
1755 | 1691 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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changeset
|
1692 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1693 |
1694 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1695 { | |
5823 | 1696 print_usage (); |
604 | 1697 return retval; |
1698 } | |
1699 else | |
1700 { | |
3523 | 1701 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1702 |
1703 i++; | |
604 | 1704 |
6625 | 1705 // Matlab v7 files are always compressed |
1706 if (format == LS_MAT7_BINARY) | |
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1707 use_zlib = false; |
6625 | 1708 |
6759 | 1709 std::ios::openmode mode |
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|
1710 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1711 |
4791 | 1712 if (format == LS_BINARY |
1713 #ifdef HAVE_HDF5 | |
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1714 || format == LS_HDF5 |
4791 | 1715 #endif |
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1716 || format == LS_MAT_BINARY |
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1717 || format == LS_MAT5_BINARY |
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|
1718 || format == LS_MAT7_BINARY) |
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|
1719 mode |= std::ios::binary; |
3538 | 1720 |
3687 | 1721 #ifdef HAVE_HDF5 |
1722 if (format == LS_HDF5) | |
10315
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|
1723 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
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changeset
|
1724 // FIXME: It should be possible to append to HDF5 files. |
10315
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|
1725 if (append) |
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|
1726 { |
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|
1727 error ("save: appending to HDF5 files is not implemented"); |
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1728 return retval; |
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|
1729 } |
6759 | 1730 |
11586
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strip trailing whitespace from source files
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|
1731 bool write_header_info = ! (append && |
10315
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|
1732 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1733 |
10315
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1734 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1735 |
10315
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1736 if (hdf5_file.file_id != -1) |
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1737 { |
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1738 save_vars (argv, i, argc, hdf5_file, format, |
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|
1739 save_as_floats, write_header_info); |
3687 | 1740 |
10315
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|
1741 hdf5_file.close (); |
17787
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1742 } |
175b392e91fe
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|
1743 else |
175b392e91fe
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|
1744 { |
175b392e91fe
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Rik <rik@octave.org>
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|
1745 gripe_file_open ("save", fname); |
175b392e91fe
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|
1746 return retval; |
175b392e91fe
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|
1747 } |
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1748 } |
863 | 1749 else |
3687 | 1750 #endif /* HAVE_HDF5 */ |
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1751 // don't insert any statements here! The brace below must go |
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1752 // with the "else" above! |
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1753 { |
5269 | 1754 #ifdef HAVE_ZLIB |
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1755 if (use_zlib) |
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1756 { |
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1757 gzofstream file (fname.c_str (), mode); |
5269 | 1758 |
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1759 if (file) |
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1760 { |
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1761 bool write_header_info = ! file.tellp (); |
6760 | 1762 |
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1763 save_vars (argv, i, argc, file, format, |
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1764 save_as_floats, write_header_info); |
5269 | 1765 |
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1766 file.close (); |
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1767 } |
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1768 else |
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1769 { |
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1770 gripe_file_open ("save", fname); |
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1771 return retval; |
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1772 } |
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1773 } |
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1774 else |
5269 | 1775 #endif |
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1776 { |
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1777 std::ofstream file (fname.c_str (), mode); |
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1778 |
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1779 if (file) |
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1780 { |
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1781 bool write_header_info = ! file.tellp (); |
6760 | 1782 |
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1783 save_vars (argv, i, argc, file, format, |
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1784 save_as_floats, write_header_info); |
5269 | 1785 |
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1786 file.close (); |
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1787 } |
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1788 else |
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1789 { |
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1790 gripe_file_open ("save", fname); |
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1791 return retval; |
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1792 } |
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1793 } |
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1794 } |
604 | 1795 } |
1796 | |
1797 return retval; | |
1798 } | |
1799 | |
5794 | 1800 DEFUN (crash_dumps_octave_core, args, nargout, |
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1801 "-*- texinfo -*-\n\ |
10840 | 1802 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1803 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1804 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1805 Query or set the internal variable that controls whether Octave tries\n\ |
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1806 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1807 crashes or receives a hangup, terminate or similar signal.\n\ |
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1808 \n\ |
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1809 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1810 variable is changed locally for the function and any subroutines it calls. \n\ |
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1811 The original variable value is restored when exiting the function.\n\ |
5794 | 1812 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1813 @end deftypefn") | |
2194 | 1814 { |
5794 | 1815 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1816 } |
1817 | |
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1818 DEFUN (save_default_options, args, nargout, |
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1819 "-*- texinfo -*-\n\ |
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1820 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1821 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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1822 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1823 Query or set the internal variable that specifies the default options\n\ |
1824 for the @code{save} command, and defines the default format.\n\ | |
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1825 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1826 The default value is @option{-text}.\n\ |
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1827 \n\ |
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1828 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1829 variable is changed locally for the function and any subroutines it calls. \n\ |
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1830 The original variable value is restored when exiting the function.\n\ |
5794 | 1831 @seealso{save}\n\ |
1832 @end deftypefn") | |
4788 | 1833 { |
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1834 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1835 } |
1836 | |
5794 | 1837 DEFUN (octave_core_file_limit, args, nargout, |
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1838 "-*- texinfo -*-\n\ |
10840 | 1839 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1840 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1841 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1842 Query or set the internal variable that specifies the maximum amount\n\ |
1843 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1844 attempt to save when writing data to the crash dump file (the name of\n\ | |
1845 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1846 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1847 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1848 size of the file. If a text file format is used, then the file could\n\ | |
1849 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1850 \n\ |
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1851 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1852 variable is changed locally for the function and any subroutines it calls. \n\ |
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1853 The original variable value is restored when exiting the function.\n\ |
5794 | 1854 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1855 @end deftypefn") | |
3709 | 1856 { |
5794 | 1857 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1858 } |
1859 | |
5794 | 1860 DEFUN (octave_core_file_name, args, nargout, |
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1861 "-*- texinfo -*-\n\ |
10840 | 1862 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1863 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1864 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1865 Query or set the internal variable that specifies the name of the file\n\ |
1866 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1867 The default value is @qcode{\"octave-workspace\"}\n\ |
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1868 \n\ |
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1869 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1870 variable is changed locally for the function and any subroutines it calls. \n\ |
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1871 The original variable value is restored when exiting the function.\n\ |
5794 | 1872 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1873 @end deftypefn") | |
2194 | 1874 { |
5794 | 1875 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1876 } | |
4791 | 1877 |
5794 | 1878 DEFUN (octave_core_file_options, args, nargout, |
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1879 "-*- texinfo -*-\n\ |
10840 | 1880 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1881 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1882 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1883 Query or set the internal variable that specifies the options used for\n\ |
1884 saving the workspace data if Octave aborts. The value of\n\ | |
1885 @code{octave_core_file_options} should follow the same format as the\n\ | |
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1886 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1887 format.\n\ |
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1888 \n\ |
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1889 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1890 variable is changed locally for the function and any subroutines it calls. \n\ |
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1891 The original variable value is restored when exiting the function.\n\ |
5642 | 1892 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1893 @end deftypefn") |
1894 { | |
1895 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1896 } | |
2194 | 1897 |
5794 | 1898 DEFUN (save_header_format_string, args, nargout, |
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1899 "-*- texinfo -*-\n\ |
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1900 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1901 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1902 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1903 Query or set the internal variable that specifies the format\n\ |
1904 string used for the comment line written at the beginning of\n\ | |
1905 text-format data files saved by Octave. The format string is\n\ | |
1906 passed to @code{strftime} and should begin with the character\n\ | |
1907 @samp{#} and contain no newline characters. If the value of\n\ | |
1908 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1909 the header comment is omitted from text-format data files. The\n\ |
1910 default value is\n\ | |
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1911 @c Set example in small font to prevent overfull line\n\ |
3709 | 1912 \n\ |
7031 | 1913 @smallexample\n\ |
4060 | 1914 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1915 @end smallexample\n\ |
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1916 \n\ |
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1917 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1918 variable is changed locally for the function and any subroutines it calls. \n\ |
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1919 The original variable value is restored when exiting the function.\n\ |
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1920 @seealso{strftime, save}\n\ |
5794 | 1921 @end deftypefn") |
1922 { | |
1923 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1924 } |