Mercurial > octave-libgccjit
annotate libinterp/corefcn/load-save.cc @ 18964:a0c514c243f6 default tip @
maint: Use Octave coding conventions for %!test in graphics.cc.
* graphics.cc: Use Octave coding conventions for %!test in graphics.cc.
author | Rik <rik@octave.org> |
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date | Mon, 28 Jul 2014 08:36:39 -0700 |
parents | d5db1019ad4a |
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rev | line source |
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6763 | 1 /* |
604 | 2 |
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3 Copyright (C) 1994-2013 John W. Eaton |
604 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
604 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
604 | 20 |
21 */ | |
22 | |
3911 | 23 // Author: John W. Eaton. |
24 // HDF5 support by Steven G. Johnson <stevenj@alum.mit.edu> | |
25 // Matlab v5 support by James R. Van Zandt <jrv@vanzandt.mv.com> | |
3687 | 26 |
604 | 27 #ifdef HAVE_CONFIG_H |
1192 | 28 #include <config.h> |
604 | 29 #endif |
30 | |
1343 | 31 #include <cfloat> |
32 #include <cstring> | |
33 #include <cctype> | |
34 | |
4249 | 35 #include <fstream> |
3503 | 36 #include <iomanip> |
37 #include <iostream> | |
5765 | 38 #include <sstream> |
1728 | 39 #include <string> |
40 | |
9946 | 41 #include "strftime.h" |
42 | |
1961 | 43 #include "byte-swap.h" |
44 #include "data-conv.h" | |
2926 | 45 #include "file-ops.h" |
6159 | 46 #include "file-stat.h" |
2926 | 47 #include "glob-match.h" |
2890 | 48 #include "lo-mappers.h" |
2318 | 49 #include "mach-info.h" |
3185 | 50 #include "oct-env.h" |
3258 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1755 | 53 #include "str-vec.h" |
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54 #include "oct-locbuf.h" |
1755 | 55 |
4332 | 56 #include "Cell.h" |
1352 | 57 #include "defun.h" |
604 | 58 #include "error.h" |
777 | 59 #include "gripes.h" |
6159 | 60 #include "load-path.h" |
1352 | 61 #include "load-save.h" |
1750 | 62 #include "oct-obj.h" |
3687 | 63 #include "oct-map.h" |
4332 | 64 #include "ov-cell.h" |
1352 | 65 #include "pager.h" |
1750 | 66 #include "pt-exp.h" |
1352 | 67 #include "symtab.h" |
68 #include "sysdep.h" | |
69 #include "unwind-prot.h" | |
604 | 70 #include "utils.h" |
2371 | 71 #include "variables.h" |
3185 | 72 #include "version.h" |
3688 | 73 #include "dMatrix.h" |
74 | |
4633 | 75 #include "ls-hdf5.h" |
76 #include "ls-mat-ascii.h" | |
77 #include "ls-mat4.h" | |
78 #include "ls-mat5.h" | |
79 #include "ls-oct-ascii.h" | |
80 #include "ls-oct-binary.h" | |
3688 | 81 |
10309 | 82 // Remove gnulib definitions, if any. |
83 #ifdef close | |
84 #undef close | |
85 #endif | |
86 #ifdef open | |
87 #undef open | |
5269 | 88 #endif |
89 | |
10309 | 90 #ifdef HAVE_ZLIB |
91 #include "zfstream.h" | |
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92 #endif |
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93 |
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94 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 95 static bool Vcrash_dumps_octave_core = true; |
3189 | 96 |
4791 | 97 // The maximum amount of memory (in kilobytes) that we will attempt to |
98 // write to the Octave core file. | |
5794 | 99 static double Voctave_core_file_limit = -1.0; |
4791 | 100 |
101 // The name of the Octave core file. | |
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102 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 103 |
3687 | 104 // The default output format. May be one of "binary", "text", |
105 // "mat-binary", or "hdf5". | |
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106 static std::string Vsave_default_options = "-text"; |
2194 | 107 |
5284 | 108 // The output format for Octave core files. |
5794 | 109 static std::string Voctave_core_file_options = "-binary"; |
110 | |
111 static std::string | |
112 default_save_header_format (void) | |
113 { | |
114 return | |
115 std::string ("# Created by Octave " OCTAVE_VERSION | |
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116 ", %a %b %d %H:%M:%S %Y %Z <") |
5794 | 117 + octave_env::get_user_name () |
118 + std::string ("@") | |
119 + octave_env::get_host_name () | |
120 + std::string (">"); | |
121 } | |
4788 | 122 |
3709 | 123 // The format string for the comment line at the top of text-format |
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124 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 125 // no newline characters. |
5794 | 126 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 127 |
5369 | 128 static void |
129 gripe_file_open (const std::string& fcn, const std::string& file) | |
130 { | |
131 if (fcn == "load") | |
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132 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 133 else if (fcn == "save") |
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134 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 135 else |
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136 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 137 } |
138 | |
7336 | 139 // Install a variable with name NAME and the value VAL in the |
140 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 141 |
142 static void | |
7336 | 143 install_loaded_variable (const std::string& name, |
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144 const octave_value& val, |
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145 bool global, const std::string& /*doc*/) |
604 | 146 { |
147 if (global) | |
148 { | |
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149 symbol_table::clear (name); |
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150 symbol_table::mark_global (name); |
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151 symbol_table::global_assign (name, val); |
604 | 152 } |
153 else | |
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154 symbol_table::assign (name, val); |
604 | 155 } |
156 | |
3019 | 157 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 158 |
3013 | 159 static bool |
3769 | 160 matches_patterns (const string_vector& patterns, int pat_idx, |
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161 int num_pat, const std::string& name) |
604 | 162 { |
1755 | 163 for (int i = pat_idx; i < num_pat; i++) |
604 | 164 { |
1792 | 165 glob_match pattern (patterns[i]); |
3013 | 166 |
1792 | 167 if (pattern.match (name)) |
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168 return true; |
604 | 169 } |
3688 | 170 |
3013 | 171 return false; |
604 | 172 } |
173 | |
4329 | 174 int |
3523 | 175 read_binary_file_header (std::istream& is, bool& swap, |
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176 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 177 { |
3552 | 178 const int magic_len = 10; |
179 char magic[magic_len+1]; | |
5760 | 180 is.read (magic, magic_len); |
604 | 181 magic[magic_len] = '\0'; |
3688 | 182 |
604 | 183 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 184 swap = oct_mach_info::words_big_endian (); |
604 | 185 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 186 swap = ! oct_mach_info::words_big_endian (); |
604 | 187 else |
188 { | |
189 if (! quiet) | |
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190 error ("load: unable to read read binary file"); |
604 | 191 return -1; |
192 } | |
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193 |
604 | 194 char tmp = 0; |
5760 | 195 is.read (&tmp, 1); |
604 | 196 |
2318 | 197 flt_fmt = mopt_digit_to_float_format (tmp); |
198 | |
4574 | 199 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 200 { |
201 if (! quiet) | |
202 error ("load: unrecognized binary format!"); | |
3688 | 203 |
604 | 204 return -1; |
205 } | |
206 | |
207 return 0; | |
208 } | |
209 | |
5269 | 210 #ifdef HAVE_ZLIB |
211 static bool | |
212 check_gzip_magic (const std::string& fname) | |
213 { | |
214 bool retval = false; | |
215 std::ifstream file (fname.c_str ()); | |
216 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
217 | |
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218 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f && |
5269 | 219 magic[1] == 0x8b) |
220 retval = true; | |
221 | |
222 file.close (); | |
223 return retval; | |
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224 } |
5269 | 225 #endif |
226 | |
604 | 227 static load_save_format |
6625 | 228 get_file_format (std::istream& file, const std::string& filename) |
604 | 229 { |
230 load_save_format retval = LS_UNKNOWN; | |
231 | |
4574 | 232 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 233 |
3019 | 234 bool swap = false; |
235 | |
236 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 237 retval = LS_BINARY; |
238 else | |
239 { | |
6202 | 240 file.clear (); |
3538 | 241 file.seekg (0, std::ios::beg); |
604 | 242 |
5828 | 243 int32_t mopt, nr, nc, imag, len; |
1180 | 244 |
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245 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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246 true); |
1180 | 247 |
248 if (! err) | |
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249 retval = LS_MAT_BINARY; |
604 | 250 else |
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251 { |
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252 file.clear (); |
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253 file.seekg (0, std::ios::beg); |
604 | 254 |
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255 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 256 |
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257 if (! err) |
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258 { |
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259 file.clear (); |
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260 file.seekg (0, std::ios::beg); |
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261 retval = LS_MAT5_BINARY; |
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262 } |
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263 else |
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264 { |
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265 file.clear (); |
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266 file.seekg (0, std::ios::beg); |
3688 | 267 |
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268 std::string name_val = extract_keyword (file, "name"); |
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269 std::string type_val = extract_keyword (file, "type"); |
4171 | 270 |
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271 if (name_val.empty () != true && type_val.empty () != true) |
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272 retval = LS_ASCII; |
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273 else |
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274 { |
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275 file.clear (); |
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276 file.seekg (0, std::ios::beg); |
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277 |
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278 // FIXME: looks_like_mat_ascii_file does not check to see |
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279 // whether the file contains numbers. It just skips comments |
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280 // and checks for the same number of words on each line. We |
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281 // may need a better check here. The best way to do that |
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282 // might be just to try to read the file and see if it works. |
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283 |
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284 if (looks_like_mat_ascii_file (file, filename)) |
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285 retval = LS_MAT_ASCII; |
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286 } |
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287 } |
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288 } |
604 | 289 } |
290 | |
5269 | 291 return retval; |
292 } | |
5977 | 293 |
5269 | 294 static load_save_format |
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295 get_file_format (const std::string& fname, const std::string& orig_fname, |
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296 bool &use_zlib, bool quiet = false) |
5269 | 297 { |
298 load_save_format retval = LS_UNKNOWN; | |
299 | |
300 #ifdef HAVE_HDF5 | |
301 // check this before we open the file | |
302 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
303 return LS_HDF5; | |
304 #endif /* HAVE_HDF5 */ | |
604 | 305 |
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306 #ifdef HAVE_ZLIB |
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307 use_zlib = check_gzip_magic (fname); |
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308 #else |
5269 | 309 use_zlib = false; |
5977 | 310 #endif |
5269 | 311 |
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312 if (! use_zlib) |
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313 { |
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314 std::ifstream file (fname.c_str ()); |
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315 if (file) |
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316 { |
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317 retval = get_file_format (file, orig_fname); |
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318 file.close (); |
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319 } |
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320 else if (! quiet) |
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321 gripe_file_open ("load", orig_fname); |
5269 | 322 } |
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323 #ifdef HAVE_ZLIB |
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324 else |
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325 { |
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326 gzifstream gzfile (fname.c_str ()); |
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327 if (gzfile) |
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328 { |
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329 retval = get_file_format (gzfile, orig_fname); |
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330 gzfile.close (); |
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331 } |
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332 else if (! quiet) |
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333 gripe_file_open ("load", orig_fname); |
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334 } |
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335 #endif |
604 | 336 |
337 return retval; | |
338 } | |
339 | |
4329 | 340 octave_value |
7336 | 341 do_load (std::istream& stream, const std::string& orig_fname, |
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342 load_save_format format, oct_mach_info::float_format flt_fmt, |
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343 bool list_only, bool swap, bool verbose, |
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344 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 345 { |
3727 | 346 octave_value retval; |
347 | |
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348 octave_scalar_map retstruct; |
604 | 349 |
5765 | 350 std::ostringstream output_buf; |
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351 std::list<std::string> symbol_names; |
4051 | 352 |
5754 | 353 octave_idx_type count = 0; |
4051 | 354 |
604 | 355 for (;;) |
356 { | |
3019 | 357 bool global = false; |
2086 | 358 octave_value tc; |
604 | 359 |
4171 | 360 std::string name; |
361 std::string doc; | |
604 | 362 |
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363 switch (format.type) |
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364 { |
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365 case LS_ASCII: |
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366 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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367 break; |
604 | 368 |
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369 case LS_BINARY: |
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370 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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371 global, tc, doc); |
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372 break; |
604 | 373 |
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374 case LS_MAT_ASCII: |
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375 name = read_mat_ascii_data (stream, orig_fname, tc); |
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376 break; |
2511 | 377 |
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378 case LS_MAT_BINARY: |
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379 name = read_mat_binary_data (stream, orig_fname, tc); |
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380 break; |
604 | 381 |
3687 | 382 #ifdef HAVE_HDF5 |
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383 case LS_HDF5: |
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384 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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385 argv, argv_idx, argc); |
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386 break; |
3687 | 387 #endif /* HAVE_HDF5 */ |
388 | |
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389 case LS_MAT5_BINARY: |
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390 case LS_MAT7_BINARY: |
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391 name = read_mat5_binary_element (stream, orig_fname, swap, |
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392 global, tc); |
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393 break; |
3688 | 394 |
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395 default: |
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396 gripe_unrecognized_data_fmt ("load"); |
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397 break; |
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398 } |
604 | 399 |
4171 | 400 if (error_state || stream.eof () || name.empty ()) |
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401 break; |
4171 | 402 else if (! error_state && ! name.empty ()) |
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403 { |
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404 if (tc.is_defined ()) |
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405 { |
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406 if (format == LS_MAT_ASCII && argv_idx < argc) |
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407 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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408 orig_fname.c_str ()); |
3136 | 409 |
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410 if (format == LS_MAT_ASCII |
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411 || argv_idx == argc |
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412 || matches_patterns (argv, argv_idx, argc, name)) |
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413 { |
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414 count++; |
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415 if (list_only) |
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416 { |
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417 if (verbose) |
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418 { |
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419 if (count == 1) |
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420 output_buf |
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421 << "type rows cols name\n" |
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422 << "==== ==== ==== ====\n"; |
621 | 423 |
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424 output_buf |
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425 << std::setiosflags (std::ios::left) |
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426 << std::setw (16) << tc.type_name () . c_str () |
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427 << std::setiosflags (std::ios::right) |
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428 << std::setw (7) << tc.rows () |
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429 << std::setw (7) << tc.columns () |
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430 << " " << name << "\n"; |
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431 } |
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432 else |
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433 symbol_names.push_back (name); |
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434 } |
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435 else |
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436 { |
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437 if (nargout == 1) |
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438 { |
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439 if (format == LS_MAT_ASCII) |
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440 retval = tc; |
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441 else |
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442 retstruct.assign (name, tc); |
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443 } |
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444 else |
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445 install_loaded_variable (name, tc, global, doc); |
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446 } |
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447 } |
2511 | 448 |
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449 // Only attempt to read one item from a headless text file. |
2511 | 450 |
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451 if (format == LS_MAT_ASCII) |
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452 break; |
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453 } |
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454 else |
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455 error ("load: unable to load variable '%s'", name.c_str ()); |
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456 } |
604 | 457 else |
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458 { |
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459 if (count == 0) |
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460 error ("load: are you sure '%s' is an Octave data file?", |
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461 orig_fname.c_str ()); |
604 | 462 |
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463 break; |
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464 } |
604 | 465 } |
466 | |
621 | 467 if (list_only && count) |
468 { | |
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469 if (verbose) |
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470 { |
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471 std::string msg = output_buf.str (); |
2095 | 472 |
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473 if (nargout > 0) |
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474 retval = msg; |
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475 else |
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476 octave_stdout << msg; |
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477 } |
621 | 478 else |
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479 { |
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480 if (nargout > 0) |
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481 retval = Cell (string_vector (symbol_names)); |
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482 else |
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483 { |
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484 string_vector names (symbol_names); |
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485 |
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486 names.list_in_columns (octave_stdout); |
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487 |
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488 octave_stdout << "\n"; |
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489 } |
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490 } |
621 | 491 } |
6639 | 492 else if (retstruct.nfields () != 0) |
3727 | 493 retval = retstruct; |
621 | 494 |
863 | 495 return retval; |
496 } | |
497 | |
6159 | 498 std::string |
499 find_file_to_load (const std::string& name, const std::string& orig_name) | |
500 { | |
501 std::string fname = name; | |
502 | |
6838 | 503 if (! (octave_env::absolute_pathname (fname) |
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504 || octave_env::rooted_relative_pathname (fname))) |
6159 | 505 { |
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506 // Load path will also search "." first, but we don't want to |
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507 // issue a warning if the file is found in the current directory, |
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508 // so do an explicit check for that. |
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509 |
6159 | 510 file_stat fs (fname); |
511 | |
6584 | 512 if (! (fs.exists () && fs.is_reg ())) |
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513 { |
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514 // Not directly found; search load path. |
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515 |
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516 std::string tmp |
10250 | 517 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 518 |
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519 if (! tmp.empty ()) |
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520 { |
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521 warning_with_id ("Octave:load-file-in-path", |
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522 "load: file found in load path: %s", |
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523 tmp.c_str ()); |
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524 fname = tmp; |
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525 } |
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526 } |
6159 | 527 } |
528 | |
6838 | 529 size_t dot_pos = fname.rfind ("."); |
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530 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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531 |
8021 | 532 if (dot_pos == std::string::npos |
533 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 534 { |
6838 | 535 // Either no '.' in name or no '.' appears after last directory |
536 // separator. | |
537 | |
6159 | 538 file_stat fs (fname); |
539 | |
6584 | 540 if (! (fs.exists () && fs.is_reg ())) |
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541 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 542 } |
543 else | |
544 { | |
545 file_stat fs (fname); | |
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546 |
6584 | 547 if (! (fs.exists () && fs.is_reg ())) |
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548 { |
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549 fname = ""; |
6159 | 550 |
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551 error ("load: unable to find file %s", orig_name.c_str ()); |
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552 } |
6159 | 553 } |
554 | |
555 return fname; | |
556 } | |
557 | |
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558 bool |
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559 is_octave_data_file (const std::string& fname) |
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560 { |
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561 bool use_zlib = false; |
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562 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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563 } |
6159 | 564 |
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565 DEFUN (load, args, nargout, |
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566 "-*- texinfo -*-\n\ |
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567 @deftypefn {Command} {} load file\n\ |
11547 | 568 @deftypefnx {Command} {} load options file\n\ |
569 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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570 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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571 @deftypefnx {Command} {} load file options\n\ |
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572 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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573 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 574 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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575 @var{file}. If no variables are specified then all variables found in the\n\ |
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576 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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577 can be full names or use a pattern syntax. The format of the file is\n\ |
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578 automatically detected but may be overridden by supplying the appropriate\n\ |
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579 option.\n\ |
863 | 580 \n\ |
5665 | 581 If load is invoked using the functional form\n\ |
582 \n\ | |
583 @example\n\ | |
7247 | 584 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 585 @end example\n\ |
586 \n\ | |
587 @noindent\n\ | |
588 then the @var{options}, @var{file}, and variable name arguments\n\ | |
589 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
590 \n\ | |
3372 | 591 If a variable that is not marked as global is loaded from a file when a\n\ |
592 global symbol with the same name already exists, it is loaded in the\n\ | |
593 global symbol table. Also, if a variable is marked as global in a file\n\ | |
594 and a local symbol exists, the local symbol is moved to the global\n\ | |
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595 symbol table and given the value from the file.\n\ |
863 | 596 \n\ |
3727 | 597 If invoked with a single output argument, Octave returns data instead\n\ |
598 of inserting variables in the symbol table. If the data file contains\n\ | |
599 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
600 returned. Otherwise, @code{load} returns a structure with members\n\ | |
601 corresponding to the names of the variables in the file.\n\ | |
602 \n\ | |
3372 | 603 The @code{load} command can read data stored in Octave's text and\n\ |
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604 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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605 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 606 detect the type of file and do conversion from different floating point\n\ |
607 formats (currently only IEEE big and little endian, though other formats\n\ | |
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608 may be added in the future).\n\ |
3372 | 609 \n\ |
610 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 611 \n\ |
3372 | 612 @table @code\n\ |
613 @item -force\n\ | |
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614 This option is accepted for backward compatibility but is ignored.\n\ |
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615 Octave now overwrites variables currently in memory with\n\ |
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616 those of the same name found in the file.\n\ |
3372 | 617 \n\ |
618 @item -ascii\n\ | |
5938 | 619 Force Octave to assume the file contains columns of numbers in text format\n\ |
620 without any header or other information. Data in the file will be loaded\n\ | |
621 as a single numeric matrix with the name of the variable derived from the\n\ | |
622 name of the file.\n\ | |
5197 | 623 \n\ |
3372 | 624 @item -binary\n\ |
625 Force Octave to assume the file is in Octave's binary format.\n\ | |
626 \n\ | |
3687 | 627 @item -hdf5\n\ |
10840 | 628 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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629 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 630 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 631 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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632 skip some datasets in formats that it cannot support. This format is\n\ |
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633 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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634 \n\ |
3687 | 635 @item -import\n\ |
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636 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 637 Octave can now support multi-dimensional HDF data and automatically\n\ |
638 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 639 \n\ |
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640 @item -mat\n\ |
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641 @itemx -mat-binary\n\ |
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642 @itemx -6\n\ |
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643 @itemx -v6\n\ |
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644 @itemx -7\n\ |
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645 @itemx -v7\n\ |
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646 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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647 format.\n\ |
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648 \n\ |
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649 @item -mat4-binary\n\ |
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650 @itemx -4\n\ |
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651 @itemx -v4\n\ |
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652 @itemx -V4\n\ |
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653 Force Octave to assume the file is in the binary format written by\n\ |
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654 @sc{matlab} version 4.\n\ |
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655 \n\ |
5198 | 656 @item -text\n\ |
5197 | 657 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 658 @end table\n\ |
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659 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 660 @end deftypefn") |
863 | 661 { |
2086 | 662 octave_value_list retval; |
863 | 663 |
1755 | 664 int argc = args.length () + 1; |
665 | |
1968 | 666 string_vector argv = args.make_argv ("load"); |
1755 | 667 |
668 if (error_state) | |
669 return retval; | |
863 | 670 |
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671 int i = 1; |
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672 std::string orig_fname = ""; |
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673 |
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674 // Function called with Matlab-style ["filename", options] syntax |
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675 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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676 { |
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677 orig_fname = argv[1]; |
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678 i++; |
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679 } |
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680 |
1358 | 681 // It isn't necessary to have the default load format stored in a |
682 // user preference variable since we can determine the type of file | |
683 // as we are reading. | |
863 | 684 |
685 load_save_format format = LS_UNKNOWN; | |
686 | |
3019 | 687 bool list_only = false; |
688 bool verbose = false; | |
863 | 689 |
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690 //for (i; i < argc; i++) |
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691 for (; i < argc; i++) |
863 | 692 { |
1755 | 693 if (argv[i] == "-force" || argv[i] == "-f") |
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694 { |
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695 // Silently ignore this |
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696 // warning ("load: -force ignored"); |
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697 } |
1755 | 698 else if (argv[i] == "-list" || argv[i] == "-l") |
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699 { |
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700 list_only = true; |
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701 } |
1755 | 702 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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703 { |
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704 verbose = true; |
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705 } |
1755 | 706 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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707 { |
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708 format = LS_MAT_ASCII; |
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709 } |
1755 | 710 else if (argv[i] == "-binary" || argv[i] == "-b") |
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711 { |
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712 format = LS_BINARY; |
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713 } |
5269 | 714 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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715 || argv[i] == "-6" || argv[i] == "-v6") |
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716 { |
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717 format = LS_MAT5_BINARY; |
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718 } |
7819
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719 else if (argv[i] == "-7" || argv[i] == "-v7") |
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720 { |
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721 format = LS_MAT7_BINARY; |
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722 } |
5256 | 723 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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724 || argv[i] == "-v4" || argv[i] == "-4") |
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725 { |
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726 format = LS_MAT_BINARY; |
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727 } |
3687 | 728 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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729 { |
3687 | 730 #ifdef HAVE_HDF5 |
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731 format = LS_HDF5; |
3687 | 732 #else /* ! HAVE_HDF5 */ |
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733 error ("load: octave executable was not linked with HDF5 library"); |
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734 return retval; |
3687 | 735 #endif /* ! HAVE_HDF5 */ |
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736 } |
3687 | 737 else if (argv[i] == "-import" || argv[i] == "-i") |
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738 { |
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739 warning ("load: -import ignored"); |
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740 } |
5197 | 741 else if (argv[i] == "-text" || argv[i] == "-t") |
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742 { |
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743 format = LS_ASCII; |
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744 } |
863 | 745 else |
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746 break; |
863 | 747 } |
748 | |
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749 if (orig_fname == "") |
863 | 750 { |
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751 if (i == argc) |
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752 { |
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753 print_usage (); |
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754 return retval; |
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755 } |
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756 else |
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Allow Matlab-style syntax for load command (Bug #33527).
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757 orig_fname = argv[i]; |
863 | 758 } |
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759 else |
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Allow Matlab-style syntax for load command (Bug #33527).
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760 i--; |
863 | 761 |
4574 | 762 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 763 |
3019 | 764 bool swap = false; |
863 | 765 |
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766 if (orig_fname == "-") |
863 | 767 { |
1755 | 768 i++; |
863 | 769 |
3687 | 770 #ifdef HAVE_HDF5 |
771 if (format == LS_HDF5) | |
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772 error ("load: cannot read HDF5 format from stdin"); |
3687 | 773 else |
774 #endif /* HAVE_HDF5 */ | |
863 | 775 if (format != LS_UNKNOWN) |
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776 { |
17861
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777 // FIXME: if we have already seen EOF on a previous call, |
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778 // how do we fix up the state of std::cin so that we can get |
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779 // additional input? I'm afraid that we can't fix this |
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780 // using std::cin only. |
3531 | 781 |
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782 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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783 list_only, swap, verbose, argv, i, argc, |
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784 nargout); |
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785 } |
863 | 786 else |
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787 error ("load: must specify file format if reading from stdin"); |
863 | 788 } |
789 else | |
790 { | |
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791 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 792 |
793 fname = find_file_to_load (fname, orig_fname); | |
863 | 794 |
6159 | 795 if (error_state) |
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796 return retval; |
6159 | 797 |
798 bool use_zlib = false; | |
5089 | 799 |
863 | 800 if (format == LS_UNKNOWN) |
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801 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 802 |
3687 | 803 #ifdef HAVE_HDF5 |
804 if (format == LS_HDF5) | |
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805 { |
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806 i++; |
3687 | 807 |
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808 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 809 |
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810 if (hdf5_file.file_id >= 0) |
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811 { |
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812 retval = do_load (hdf5_file, orig_fname, format, |
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813 flt_fmt, list_only, swap, verbose, |
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814 argv, i, argc, nargout); |
4844 | 815 |
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816 hdf5_file.close (); |
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817 } |
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818 else |
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819 gripe_file_open ("load", orig_fname); |
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820 } |
3687 | 821 else |
822 #endif /* HAVE_HDF5 */ | |
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823 // don't insert any statements here; the "else" above has to |
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824 // go with the "if" below!!!!! |
863 | 825 if (format != LS_UNKNOWN) |
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826 { |
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827 i++; |
863 | 828 |
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829 // Always open in binary mode and handle various |
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830 // line-endings explicitly. |
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831 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 832 |
5269 | 833 #ifdef HAVE_ZLIB |
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834 if (use_zlib) |
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835 { |
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836 gzifstream file (fname.c_str (), mode); |
863 | 837 |
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838 if (file) |
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839 { |
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840 if (format == LS_BINARY) |
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841 { |
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842 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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843 { |
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844 if (file) file.close (); |
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845 return retval; |
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846 } |
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847 } |
11586
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848 else if (format == LS_MAT5_BINARY |
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849 || format == LS_MAT7_BINARY) |
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850 { |
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Rik <rik@octave.org>
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851 if (read_mat5_binary_file_header (file, swap, false, |
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Use GNU style coding conventions for code in libinterp/
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852 orig_fname) < 0) |
10315
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853 { |
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|
854 if (file) file.close (); |
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855 return retval; |
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|
856 } |
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857 } |
5269 | 858 |
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859 retval = do_load (file, orig_fname, format, |
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860 flt_fmt, list_only, swap, verbose, |
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861 argv, i, argc, nargout); |
5269 | 862 |
10315
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863 file.close (); |
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|
864 } |
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865 else |
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866 gripe_file_open ("load", orig_fname); |
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867 } |
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868 else |
5269 | 869 #endif |
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870 { |
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871 std::ifstream file (fname.c_str (), mode); |
5269 | 872 |
10315
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|
873 if (file) |
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874 { |
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875 if (format == LS_BINARY) |
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876 { |
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877 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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878 { |
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879 if (file) file.close (); |
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880 return retval; |
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881 } |
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882 } |
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883 else if (format == LS_MAT5_BINARY |
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884 || format == LS_MAT7_BINARY) |
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885 { |
17787
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886 if (read_mat5_binary_file_header (file, swap, false, |
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|
887 orig_fname) < 0) |
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|
888 { |
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889 if (file) file.close (); |
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890 return retval; |
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891 } |
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892 } |
5269 | 893 |
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894 retval = do_load (file, orig_fname, format, |
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895 flt_fmt, list_only, swap, verbose, |
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896 argv, i, argc, nargout); |
5269 | 897 |
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898 file.close (); |
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899 } |
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900 else |
15466
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901 error ("load: unable to open input file '%s'", |
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902 orig_fname.c_str ()); |
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903 } |
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904 } |
863 | 905 } |
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|
906 |
604 | 907 return retval; |
908 } | |
909 | |
3019 | 910 // Return TRUE if PATTERN has any special globbing chars in it. |
911 | |
912 static bool | |
3523 | 913 glob_pattern_p (const std::string& pattern) |
604 | 914 { |
915 int open = 0; | |
916 | |
1755 | 917 int len = pattern.length (); |
918 | |
919 for (int i = 0; i < len; i++) | |
604 | 920 { |
1755 | 921 char c = pattern[i]; |
922 | |
604 | 923 switch (c) |
10315
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924 { |
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925 case '?': |
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|
926 case '*': |
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927 return true; |
604 | 928 |
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929 case '[': // Only accept an open brace if there is a close |
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930 open++; // brace to match it. Bracket expressions must be |
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931 continue; // complete, according to Posix.2 |
604 | 932 |
10315
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933 case ']': |
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934 if (open) |
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|
935 return true; |
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|
936 continue; |
4402 | 937 |
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938 case '\\': |
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939 if (i == len - 1) |
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940 return false; |
604 | 941 |
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942 default: |
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943 continue; |
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944 } |
604 | 945 } |
946 | |
3019 | 947 return false; |
604 | 948 } |
949 | |
4791 | 950 static void |
951 do_save (std::ostream& os, const octave_value& tc, | |
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952 const std::string& name, const std::string& help, |
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953 bool global, load_save_format fmt, bool save_as_floats) |
604 | 954 { |
8425
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support -tabs option for save -ascii
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|
955 switch (fmt.type) |
604 | 956 { |
957 case LS_ASCII: | |
6974 | 958 save_ascii_data (os, tc, name, global, 0); |
604 | 959 break; |
960 | |
961 case LS_BINARY: | |
630 | 962 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 963 break; |
964 | |
5938 | 965 case LS_MAT_ASCII: |
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966 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
8425
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|
967 fmt.opts & LS_MAT_ASCII_TABS)) |
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968 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 969 break; |
970 | |
667 | 971 case LS_MAT_BINARY: |
972 save_mat_binary_data (os, tc, name); | |
973 break; | |
974 | |
3687 | 975 #ifdef HAVE_HDF5 |
976 case LS_HDF5: | |
977 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
978 break; | |
979 #endif /* HAVE_HDF5 */ | |
980 | |
3688 | 981 case LS_MAT5_BINARY: |
5269 | 982 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
983 break; | |
984 | |
985 case LS_MAT7_BINARY: | |
986 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 987 break; |
988 | |
604 | 989 default: |
775 | 990 gripe_unrecognized_data_fmt ("save"); |
604 | 991 break; |
992 } | |
993 } | |
994 | |
4791 | 995 // Save the info from SR on stream OS in the format specified by FMT. |
996 | |
997 void | |
7336 | 998 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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999 load_save_format fmt, bool save_as_floats) |
4791 | 1000 { |
7336 | 1001 octave_value val = sr.varval (); |
4791 | 1002 |
7336 | 1003 if (val.is_defined ()) |
4791 | 1004 { |
7336 | 1005 std::string name = sr.name (); |
1006 std::string help; | |
1007 bool global = sr.is_global (); | |
4791 | 1008 |
7336 | 1009 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 1010 } |
1011 } | |
1012 | |
7635
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1013 // save fields of a scalar structure STR matching PATTERN on stream OS |
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1014 // in the format specified by FMT. |
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1015 |
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1016 static size_t |
11059
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1017 save_fields (std::ostream& os, const octave_scalar_map& m, |
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1018 const std::string& pattern, |
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1019 load_save_format fmt, bool save_as_floats) |
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1020 { |
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1021 glob_match pat (pattern); |
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1022 |
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1023 size_t saved = 0; |
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1024 |
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|
1025 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1026 { |
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1027 std::string empty_str; |
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1028 |
14861
f7afecdd87ef
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1029 if (pat.match (m.key (p))) |
7635
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1030 { |
11059
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1031 do_save (os, m.contents (p), m.key (p), empty_str, |
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1032 0, fmt, save_as_floats); |
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1033 |
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1034 saved++; |
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1035 } |
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1036 } |
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1037 |
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1038 return saved; |
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1039 } |
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|
1040 |
604 | 1041 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1042 // format specified by FMT. |
604 | 1043 |
7336 | 1044 static size_t |
5794 | 1045 save_vars (std::ostream& os, const std::string& pattern, |
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|
1046 load_save_format fmt, bool save_as_floats) |
604 | 1047 { |
7336 | 1048 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1049 | |
1050 size_t saved = 0; | |
3355 | 1051 |
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1052 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1053 const_vars_iterator; |
3355 | 1054 |
7336 | 1055 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1056 { |
7336 | 1057 do_save (os, *p, fmt, save_as_floats); |
620 | 1058 |
1059 if (error_state) | |
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1060 break; |
7336 | 1061 |
1062 saved++; | |
620 | 1063 } |
604 | 1064 |
1065 return saved; | |
1066 } | |
1067 | |
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1068 static string_vector |
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1069 parse_save_options (const string_vector &argv, |
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1070 load_save_format &format, bool &append, |
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1071 bool &save_as_floats, bool &use_zlib) |
604 | 1072 { |
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1073 string_vector retval; |
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1074 int argc = argv.length (); |
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1075 |
18100
6a71e5030df5
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1076 bool do_double = false; |
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|
1077 bool do_tabs = false; |
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1078 |
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1079 for (int i = 0; i < argc; i++) |
5284 | 1080 { |
1081 if (argv[i] == "-append") | |
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1082 { |
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1083 append = true; |
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1084 } |
5284 | 1085 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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1086 { |
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1087 format = LS_MAT_ASCII; |
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1088 } |
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1089 else if (argv[i] == "-double") |
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1090 { |
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1091 do_double = true; |
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1092 } |
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1093 else if (argv[i] == "-tabs") |
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1094 { |
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1095 do_tabs = true; |
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1096 } |
5284 | 1097 else if (argv[i] == "-text" || argv[i] == "-t") |
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1098 { |
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1099 format = LS_ASCII; |
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1100 } |
5284 | 1101 else if (argv[i] == "-binary" || argv[i] == "-b") |
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1102 { |
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1103 format = LS_BINARY; |
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1104 } |
5284 | 1105 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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1106 { |
3687 | 1107 #ifdef HAVE_HDF5 |
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1108 format = LS_HDF5; |
5284 | 1109 #else /* ! HAVE_HDF5 */ |
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1110 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1111 #endif /* ! HAVE_HDF5 */ |
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1112 } |
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1113 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1114 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1115 || argv[i] == "-V6") |
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1116 { |
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1117 format = LS_MAT5_BINARY; |
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1118 } |
5284 | 1119 #ifdef HAVE_ZLIB |
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1120 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1121 || argv[i] == "-v7" || argv[i] == "-V7") |
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1122 { |
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1123 format = LS_MAT7_BINARY; |
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1124 } |
5284 | 1125 #endif |
1126 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1127 || argv[i] == "-v4" || argv[i] == "-4") |
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1128 { |
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1129 format = LS_MAT_BINARY; |
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1130 } |
5284 | 1131 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1132 { |
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1133 format = LS_BINARY; |
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1134 save_as_floats = true; |
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1135 } |
5284 | 1136 else if (argv[i] == "-float-hdf5") |
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1137 { |
5284 | 1138 #ifdef HAVE_HDF5 |
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1139 format = LS_HDF5; |
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1140 save_as_floats = true; |
5284 | 1141 #else /* ! HAVE_HDF5 */ |
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1142 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1143 #endif /* ! HAVE_HDF5 */ |
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1144 } |
5284 | 1145 #ifdef HAVE_ZLIB |
1146 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1147 { |
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1148 use_zlib = true; |
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1149 } |
5284 | 1150 #endif |
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1151 else if (argv[i] == "-struct") |
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1152 { |
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|
1153 retval.append (argv[i]); |
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1154 } |
18442
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
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1155 else if (argv[i][0] == '-' && argv[i] != "-") |
15567
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1156 { |
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1157 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
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1158 } |
5284 | 1159 else |
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1160 retval.append (argv[i]); |
5284 | 1161 } |
1162 | |
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1163 if (do_double) |
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1164 { |
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1165 if (format == LS_MAT_ASCII) |
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1166 format.opts |= LS_MAT_ASCII_LONG; |
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1167 else |
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1168 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1169 } |
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1170 |
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1171 if (do_tabs) |
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1172 { |
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1173 if (format == LS_MAT_ASCII) |
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1174 format.opts |= LS_MAT_ASCII_TABS; |
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1175 else |
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1176 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1177 } |
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1178 |
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1179 return retval; |
5284 | 1180 } |
1181 | |
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1182 static string_vector |
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1183 parse_save_options (const std::string &arg, load_save_format &format, |
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1184 bool &append, bool &save_as_floats, |
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1185 bool &use_zlib) |
5284 | 1186 { |
5765 | 1187 std::istringstream is (arg); |
5284 | 1188 std::string str; |
1189 string_vector argv; | |
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1190 |
5765 | 1191 while (! is.eof ()) |
5284 | 1192 { |
1193 is >> str; | |
1194 argv.append (str); | |
1195 } | |
1196 | |
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1197 return parse_save_options (argv, format, append, save_as_floats, |
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1198 use_zlib); |
604 | 1199 } |
1200 | |
4329 | 1201 void |
3523 | 1202 write_header (std::ostream& os, load_save_format format) |
863 | 1203 { |
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1204 switch (format.type) |
863 | 1205 { |
3185 | 1206 case LS_BINARY: |
1207 { | |
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1208 os << (oct_mach_info::words_big_endian () |
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1209 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1210 |
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1211 oct_mach_info::float_format flt_fmt = |
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1212 oct_mach_info::native_float_format (); |
3185 | 1213 |
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1214 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1215 |
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1216 os.write (&tmp, 1); |
3185 | 1217 } |
3688 | 1218 break; |
1219 | |
1220 case LS_MAT5_BINARY: | |
5269 | 1221 case LS_MAT7_BINARY: |
3688 | 1222 { |
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1223 char const * versionmagic; |
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1224 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1225 struct tm bdt; |
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1226 time_t now; |
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1227 char headertext[128]; |
3688 | 1228 |
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1229 time (&now); |
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1230 bdt = *gmtime (&now); |
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1231 memset (headertext, ' ', 124); |
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1232 // ISO 8601 format date |
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1233 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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1234 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1235 |
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1236 // The first pair of bytes give the version of the MAT file |
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1237 // format. The second pair of bytes form a magic number which |
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1238 // signals a MAT file. MAT file data are always written in |
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1239 // native byte order. The order of the bytes in the second |
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1240 // pair indicates whether the file was written by a big- or |
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1241 // little-endian machine. However, the version number is |
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1242 // written in the *opposite* byte order from everything else! |
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1243 if (number == 1) |
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1244 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1245 else |
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1246 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1247 |
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1248 memcpy (headertext+124, versionmagic, 4); |
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1249 os.write (headertext, 128); |
3688 | 1250 } |
1251 | |
1252 break; | |
3185 | 1253 |
3687 | 1254 #ifdef HAVE_HDF5 |
1255 case LS_HDF5: | |
1256 #endif /* HAVE_HDF5 */ | |
3185 | 1257 case LS_ASCII: |
1258 { | |
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1259 octave_localtime now; |
3709 | 1260 |
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1261 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1262 |
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1263 if (! comment_string.empty ()) |
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1264 { |
3687 | 1265 #ifdef HAVE_HDF5 |
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1266 if (format == LS_HDF5) |
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1267 { |
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1268 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1269 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1270 } |
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1271 else |
3687 | 1272 #endif /* HAVE_HDF5 */ |
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1273 os << comment_string << "\n"; |
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1274 } |
3185 | 1275 } |
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Rik <rik@octave.org>
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1276 break; |
3185 | 1277 |
1278 default: | |
1279 break; | |
863 | 1280 } |
1281 } | |
1282 | |
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1283 void |
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1284 octave_prepare_hdf5 (void) |
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1285 { |
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1286 #ifdef HAVE_HDF5 |
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1287 H5dont_atexit (); |
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1288 #endif |
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1289 } |
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|
1290 |
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1291 void |
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1292 octave_finalize_hdf5 (void) |
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1293 { |
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1294 #ifdef HAVE_HDF5 |
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1295 H5close (); |
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1296 #endif |
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1297 } |
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1298 |
863 | 1299 static void |
3769 | 1300 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1301 std::ostream& os, load_save_format fmt, |
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1302 bool save_as_floats, bool write_header_info) |
863 | 1303 { |
3185 | 1304 if (write_header_info) |
1305 write_header (os, fmt); | |
863 | 1306 |
1755 | 1307 if (argv_idx == argc) |
863 | 1308 { |
5794 | 1309 save_vars (os, "*", fmt, save_as_floats); |
863 | 1310 } |
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1311 else if (argv[argv_idx] == "-struct") |
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1312 { |
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1313 if (++argv_idx >= argc) |
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1314 { |
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1315 error ("save: missing struct name"); |
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1316 return; |
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1317 } |
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1318 |
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1319 std::string struct_name = argv[argv_idx]; |
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1320 |
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1321 if (! symbol_table::is_variable (struct_name)) |
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1322 { |
15466
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1323 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1324 return; |
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1325 } |
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1326 |
16442
302157614308
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|
1327 octave_value struct_var = symbol_table::varval (struct_name); |
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1328 |
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1329 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1330 { |
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1331 error ("save: '%s' is not a scalar structure", |
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1332 struct_name.c_str ()); |
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1333 return; |
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1334 } |
11059
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1335 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1336 |
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1337 ++argv_idx; |
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1338 |
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1339 if (argv_idx < argc) |
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1340 { |
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1341 for (int i = argv_idx; i < argc; i++) |
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1342 { |
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1343 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1344 save_as_floats)) |
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1345 { |
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1346 warning ("save: no such field '%s.%s'", |
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1347 struct_name.c_str (), argv[i].c_str ()); |
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1348 } |
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1349 } |
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1350 } |
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1351 else |
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1352 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1353 } |
863 | 1354 else |
1355 { | |
1755 | 1356 for (int i = argv_idx; i < argc; i++) |
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1357 { |
17349
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
Rik <rik@octave.org>
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17281
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changeset
|
1358 if (argv[i] == "") |
cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
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|
1359 continue; // Skip empty vars for Matlab compatibility |
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1360 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
15466
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|
1361 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1362 } |
863 | 1363 } |
1364 } | |
1365 | |
5284 | 1366 static void |
1367 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1368 bool save_as_floats) |
4791 | 1369 { |
1370 write_header (os, fmt); | |
1371 | |
7767
71f068b22fcc
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1372 std::list<symbol_table::symbol_record> vars |
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1373 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1374 |
1375 double save_mem_size = 0; | |
1376 | |
17787
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1377 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1378 const_vars_iterator; |
7336 | 1379 |
1380 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1381 { |
7336 | 1382 octave_value val = p->varval (); |
4791 | 1383 |
7336 | 1384 if (val.is_defined ()) |
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1385 { |
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1386 std::string name = p->name (); |
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1387 std::string help; |
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1388 bool global = p->is_global (); |
4791 | 1389 |
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1390 double val_size = val.byte_size () / 1024; |
4791 | 1391 |
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1392 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1393 |
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1394 if (Voctave_core_file_limit < 0 |
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1395 || save_mem_size + val_size < Voctave_core_file_limit) |
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1396 { |
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1397 save_mem_size += val_size; |
4791 | 1398 |
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1399 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1400 |
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1401 if (error_state) |
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1402 break; |
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1403 } |
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1404 } |
4791 | 1405 } |
1406 | |
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1407 message (0, "save to '%s' complete", fname); |
4791 | 1408 } |
1409 | |
1410 void | |
1411 dump_octave_core (void) | |
1380 | 1412 { |
3189 | 1413 if (Vcrash_dumps_octave_core) |
1380 | 1414 { |
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1415 // FIXME: should choose better file name? |
3189 | 1416 |
4791 | 1417 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1418 |
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1419 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1420 |
5284 | 1421 load_save_format format = LS_BINARY; |
1422 | |
1423 bool save_as_floats = false; | |
1424 | |
1425 bool append = false; | |
3189 | 1426 |
5284 | 1427 bool use_zlib = false; |
1428 | |
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1429 parse_save_options (Voctave_core_file_options, format, append, |
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1430 save_as_floats, use_zlib); |
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1431 |
5284 | 1432 std::ios::openmode mode = std::ios::out; |
4791 | 1433 |
6625 | 1434 // Matlab v7 files are always compressed |
1435 if (format == LS_MAT7_BINARY) | |
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1436 use_zlib = false; |
6625 | 1437 |
4791 | 1438 if (format == LS_BINARY |
1439 #ifdef HAVE_HDF5 | |
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1440 || format == LS_HDF5 |
4791 | 1441 #endif |
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1442 || format == LS_MAT_BINARY |
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1443 || format == LS_MAT5_BINARY |
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1444 || format == LS_MAT7_BINARY) |
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1445 mode |= std::ios::binary; |
3189 | 1446 |
5284 | 1447 mode |= append ? std::ios::ate : std::ios::trunc; |
1448 | |
3687 | 1449 #ifdef HAVE_HDF5 |
1450 if (format == LS_HDF5) | |
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1451 { |
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1452 hdf5_ofstream file (fname, mode); |
3687 | 1453 |
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1454 if (file.file_id >= 0) |
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1455 { |
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1456 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1457 |
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1458 file.close (); |
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1459 } |
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1460 else |
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1461 warning ("unable to open '%s' for writing...", fname); |
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1462 } |
3189 | 1463 else |
3687 | 1464 #endif /* HAVE_HDF5 */ |
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1465 // don't insert any commands here! The open brace below must |
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1466 // go with the else above! |
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1467 { |
5284 | 1468 #ifdef HAVE_ZLIB |
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1469 if (use_zlib) |
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1470 { |
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1471 gzofstream file (fname, mode); |
4791 | 1472 |
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1473 if (file) |
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1474 { |
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1475 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1476 |
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1477 file.close (); |
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1478 } |
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1479 else |
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1480 warning ("unable to open '%s' for writing...", fname); |
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1481 } |
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1482 else |
5284 | 1483 #endif |
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1484 { |
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1485 std::ofstream file (fname, mode); |
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1486 |
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1487 if (file) |
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1488 { |
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1489 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1490 |
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1491 file.close (); |
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1492 } |
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1493 else |
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1494 warning ("unable to open '%s' for writing...", fname); |
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1495 } |
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1496 } |
1380 | 1497 } |
1498 } | |
1499 | |
8746
5dd06f19e9be
handle commands in the lexer
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|
1500 DEFUN (save, args, , |
17787
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|
1501 "-*- texinfo -*-\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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|
1502 @deftypefn {Command} {} save file\n\ |
11547 | 1503 @deftypefnx {Command} {} save options file\n\ |
1504 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1505 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
18949
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load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
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|
1506 @deftypefnx {Command} {} {@var{s} =} save @samp{-} @var{v1} @var{v2} @dots{}\n\ |
7247 | 1507 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
18949
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
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|
1508 @var{file}. The special filename @samp{-} may be used to return the\n\ |
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
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diff
changeset
|
1509 content of the variables as a string. If no variable names are listed, Octave saves\n\ |
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|
1510 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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1511 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1512 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
9306
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|
1513 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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|
1514 with corresponding names.\n\ |
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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|
1515 Valid options for the @code{save} command are listed in the following table.\n\ |
12642
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|
1516 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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|
1517 @code{save_default_options}.\n\ |
3372 | 1518 \n\ |
5665 | 1519 If save is invoked using the functional form\n\ |
1520 \n\ | |
1521 @example\n\ | |
7247 | 1522 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1523 @end example\n\ |
1524 \n\ | |
1525 @noindent\n\ | |
1526 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1527 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1528 \n\ |
3372 | 1529 @table @code\n\ |
12661
9f91ca870f91
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
1530 @item -append\n\ |
9f91ca870f91
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|
1531 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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|
1532 \n\ |
3372 | 1533 @item -ascii\n\ |
9306
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1534 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1535 \n\ |
3372 | 1536 @item -binary\n\ |
1537 Save the data in Octave's binary data format.\n\ | |
1538 \n\ | |
1539 @item -float-binary\n\ | |
1540 Save the data in Octave's binary data format but only using single\n\ | |
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|
1541 precision. Only use this format if you know that all the\n\ |
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|
1542 values to be saved can be represented in single precision.\n\ |
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1543 \n\ |
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1544 @item -hdf5\n\ |
10840 | 1545 Save the data in @sc{hdf5} format.\n\ |
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1546 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1547 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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1548 This format is only available if Octave was built with a link to the\n\ |
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|
1549 @sc{hdf5} libraries.\n\ |
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1550 \n\ |
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|
1551 @item -float-hdf5\n\ |
10840 | 1552 Save the data in @sc{hdf5} format but only using single precision.\n\ |
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1553 Only use this format if you know that all the\n\ |
3372 | 1554 values to be saved can be represented in single precision.\n\ |
1555 \n\ | |
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|
1556 @item -V7\n\ |
5269 | 1557 @itemx -v7\n\ |
1558 @itemx -7\n\ | |
1559 @itemx -mat7-binary\n\ | |
12160
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1560 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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1561 \n\ |
17170
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changeset
|
1562 @item -V6\n\ |
5284 | 1563 @itemx -v6\n\ |
5269 | 1564 @itemx -6\n\ |
1565 @itemx -mat\n\ | |
4884 | 1566 @itemx -mat-binary\n\ |
9064
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|
1567 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1568 \n\ |
17170
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changeset
|
1569 @item -V4\n\ |
5256 | 1570 @itemx -v4\n\ |
1571 @itemx -4\n\ | |
1572 @itemx -mat4-binary\n\ | |
9064
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changeset
|
1573 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1574 \n\ |
9306
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|
1575 @item -text\n\ |
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Update documentation for load and save
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|
1576 Save the data in Octave's text data format. (default).\n\ |
3687 | 1577 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1578 @item -zip\n\ |
5269 | 1579 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1580 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
|
1581 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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changeset
|
1582 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1583 This option is only available if Octave was built with a link to the zlib\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1584 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1585 @end table\n\ |
604 | 1586 \n\ |
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|
1587 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1588 the following special characters:\n\ |
14366
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doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1589 \n\ |
3372 | 1590 @table @code\n\ |
1591 @item ?\n\ | |
1592 Match any single character.\n\ | |
1593 \n\ | |
1594 @item *\n\ | |
1595 Match zero or more characters.\n\ | |
1596 \n\ | |
1597 @item [ @var{list} ]\n\ | |
1598 Match the list of characters specified by @var{list}. If the first\n\ | |
1599 character is @code{!} or @code{^}, match all characters except those\n\ | |
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|
1600 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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changeset
|
1601 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
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changeset
|
1602 \n\ |
9306
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Update documentation for load and save
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changeset
|
1603 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1604 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1605 \n\ |
3372 | 1606 @end table\n\ |
1607 \n\ | |
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|
1608 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
Update documentation for load and save
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|
1609 @samp{-ascii} format, saving global\n\ |
de124edcebf6
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|
1610 variables also saves the global status of the variable. If the variable\n\ |
de124edcebf6
Update documentation for load and save
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diff
changeset
|
1611 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1612 global variable.\n\ |
1613 \n\ | |
1614 The command\n\ | |
1615 \n\ | |
1616 @example\n\ | |
1617 save -binary data a b*\n\ | |
1618 @end example\n\ | |
1619 \n\ | |
1620 @noindent\n\ | |
1621 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1622 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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changeset
|
1623 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1624 @end deftypefn") |
604 | 1625 { |
2086 | 1626 octave_value_list retval; |
604 | 1627 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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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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changeset
|
1644 // get default options |
16875
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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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changeset
|
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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changeset
|
1648 // override from command line |
11586
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changeset
|
1649 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1650 use_zlib); |
18676
5bd1ca29c5f0
Clean up questionable code bits identified by clang sanitize.
Rik <rik@octave.org>
parents:
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|
1651 int argc = argv.length (); |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
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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changeset
|
1682 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1683 |
18949
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
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diff
changeset
|
1684 std::ostringstream output_buf; |
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
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changeset
|
1685 save_vars (argv, i, argc, output_buf, format, |
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|
1686 save_as_floats, true); |
18949
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Andreas Weber <andy.weber.aw@gmail.com>
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|
1687 retval = octave_value (output_buf.str()); |
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|
1688 } |
604 | 1689 } |
1755 | 1690 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
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changeset
|
1691 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1692 |
1693 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1694 { | |
5823 | 1695 print_usage (); |
604 | 1696 return retval; |
1697 } | |
1698 else | |
1699 { | |
3523 | 1700 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1701 |
1702 i++; | |
604 | 1703 |
6625 | 1704 // Matlab v7 files are always compressed |
1705 if (format == LS_MAT7_BINARY) | |
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|
1706 use_zlib = false; |
6625 | 1707 |
6759 | 1708 std::ios::openmode mode |
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|
1709 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1710 |
4791 | 1711 if (format == LS_BINARY |
1712 #ifdef HAVE_HDF5 | |
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|
1713 || format == LS_HDF5 |
4791 | 1714 #endif |
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|
1715 || format == LS_MAT_BINARY |
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|
1716 || format == LS_MAT5_BINARY |
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|
1717 || format == LS_MAT7_BINARY) |
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changeset
|
1718 mode |= std::ios::binary; |
3538 | 1719 |
3687 | 1720 #ifdef HAVE_HDF5 |
1721 if (format == LS_HDF5) | |
10315
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|
1722 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1723 // FIXME: It should be possible to append to HDF5 files. |
10315
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|
1724 if (append) |
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|
1725 { |
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|
1726 error ("save: appending to HDF5 files is not implemented"); |
57a59eae83cc
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|
1727 return retval; |
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|
1728 } |
6759 | 1729 |
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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changeset
|
1730 bool write_header_info = ! (append && |
10315
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|
1731 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1732 |
10315
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|
1733 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1734 |
10315
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|
1735 if (hdf5_file.file_id != -1) |
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|
1736 { |
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|
1737 save_vars (argv, i, argc, hdf5_file, format, |
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|
1738 save_as_floats, write_header_info); |
3687 | 1739 |
10315
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|
1740 hdf5_file.close (); |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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diff
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|
1741 } |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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17755
diff
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|
1742 else |
175b392e91fe
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17755
diff
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|
1743 { |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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diff
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|
1744 gripe_file_open ("save", fname); |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1745 return retval; |
175b392e91fe
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17755
diff
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|
1746 } |
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1747 } |
863 | 1748 else |
3687 | 1749 #endif /* HAVE_HDF5 */ |
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|
1750 // don't insert any statements here! The brace below must go |
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|
1751 // with the "else" above! |
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|
1752 { |
5269 | 1753 #ifdef HAVE_ZLIB |
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1754 if (use_zlib) |
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1755 { |
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1756 gzofstream file (fname.c_str (), mode); |
5269 | 1757 |
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1758 if (file) |
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1759 { |
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1760 bool write_header_info = ! file.tellp (); |
6760 | 1761 |
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|
1762 save_vars (argv, i, argc, file, format, |
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|
1763 save_as_floats, write_header_info); |
5269 | 1764 |
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|
1765 file.close (); |
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1766 } |
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1767 else |
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1768 { |
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|
1769 gripe_file_open ("save", fname); |
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1770 return retval; |
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|
1771 } |
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1772 } |
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1773 else |
5269 | 1774 #endif |
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1775 { |
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1776 std::ofstream file (fname.c_str (), mode); |
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1777 |
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1778 if (file) |
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1779 { |
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|
1780 bool write_header_info = ! file.tellp (); |
6760 | 1781 |
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|
1782 save_vars (argv, i, argc, file, format, |
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1783 save_as_floats, write_header_info); |
5269 | 1784 |
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1785 file.close (); |
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1786 } |
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1787 else |
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1788 { |
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1789 gripe_file_open ("save", fname); |
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1790 return retval; |
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1791 } |
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1792 } |
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1793 } |
604 | 1794 } |
1795 | |
1796 return retval; | |
1797 } | |
1798 | |
5794 | 1799 DEFUN (crash_dumps_octave_core, args, nargout, |
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1800 "-*- texinfo -*-\n\ |
10840 | 1801 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1802 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1803 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1804 Query or set the internal variable that controls whether Octave tries\n\ |
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1805 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1806 crashes or receives a hangup, terminate or similar signal.\n\ |
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1807 \n\ |
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1808 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1809 variable is changed locally for the function and any subroutines it calls. \n\ |
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1810 The original variable value is restored when exiting the function.\n\ |
5794 | 1811 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1812 @end deftypefn") | |
2194 | 1813 { |
5794 | 1814 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1815 } |
1816 | |
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1817 DEFUN (save_default_options, args, nargout, |
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1818 "-*- texinfo -*-\n\ |
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1819 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1820 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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1821 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1822 Query or set the internal variable that specifies the default options\n\ |
1823 for the @code{save} command, and defines the default format.\n\ | |
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1824 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1825 The default value is @option{-text}.\n\ |
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1826 \n\ |
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1827 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1828 variable is changed locally for the function and any subroutines it calls. \n\ |
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1829 The original variable value is restored when exiting the function.\n\ |
5794 | 1830 @seealso{save}\n\ |
1831 @end deftypefn") | |
4788 | 1832 { |
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1833 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1834 } |
1835 | |
5794 | 1836 DEFUN (octave_core_file_limit, args, nargout, |
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1837 "-*- texinfo -*-\n\ |
10840 | 1838 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1839 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1840 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1841 Query or set the internal variable that specifies the maximum amount\n\ |
1842 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1843 attempt to save when writing data to the crash dump file (the name of\n\ | |
1844 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1845 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1846 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1847 size of the file. If a text file format is used, then the file could\n\ | |
1848 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1849 \n\ |
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1850 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1851 variable is changed locally for the function and any subroutines it calls. \n\ |
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1852 The original variable value is restored when exiting the function.\n\ |
5794 | 1853 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1854 @end deftypefn") | |
3709 | 1855 { |
5794 | 1856 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1857 } |
1858 | |
5794 | 1859 DEFUN (octave_core_file_name, args, nargout, |
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1860 "-*- texinfo -*-\n\ |
10840 | 1861 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1862 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1863 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1864 Query or set the internal variable that specifies the name of the file\n\ |
1865 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1866 The default value is @qcode{\"octave-workspace\"}\n\ |
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1867 \n\ |
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1868 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1869 variable is changed locally for the function and any subroutines it calls. \n\ |
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1870 The original variable value is restored when exiting the function.\n\ |
5794 | 1871 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1872 @end deftypefn") | |
2194 | 1873 { |
5794 | 1874 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1875 } | |
4791 | 1876 |
5794 | 1877 DEFUN (octave_core_file_options, args, nargout, |
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1878 "-*- texinfo -*-\n\ |
10840 | 1879 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1880 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1881 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1882 Query or set the internal variable that specifies the options used for\n\ |
1883 saving the workspace data if Octave aborts. The value of\n\ | |
1884 @code{octave_core_file_options} should follow the same format as the\n\ | |
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1885 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1886 format.\n\ |
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1887 \n\ |
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1888 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1889 variable is changed locally for the function and any subroutines it calls. \n\ |
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1890 The original variable value is restored when exiting the function.\n\ |
5642 | 1891 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1892 @end deftypefn") |
1893 { | |
1894 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1895 } | |
2194 | 1896 |
5794 | 1897 DEFUN (save_header_format_string, args, nargout, |
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1898 "-*- texinfo -*-\n\ |
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1899 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1900 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1901 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1902 Query or set the internal variable that specifies the format\n\ |
1903 string used for the comment line written at the beginning of\n\ | |
1904 text-format data files saved by Octave. The format string is\n\ | |
1905 passed to @code{strftime} and should begin with the character\n\ | |
1906 @samp{#} and contain no newline characters. If the value of\n\ | |
1907 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1908 the header comment is omitted from text-format data files. The\n\ |
1909 default value is\n\ | |
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1910 @c Set example in small font to prevent overfull line\n\ |
3709 | 1911 \n\ |
7031 | 1912 @smallexample\n\ |
4060 | 1913 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1914 @end smallexample\n\ |
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1915 \n\ |
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1916 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1917 variable is changed locally for the function and any subroutines it calls. \n\ |
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1918 The original variable value is restored when exiting the function.\n\ |
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1919 @seealso{strftime, save}\n\ |
5794 | 1920 @end deftypefn") |
1921 { | |
1922 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1923 } |