Mercurial > hg > octave-nkf
annotate src/load-save.cc @ 13951:79aa00a94e9e
doc: Document "local" option for configuration variables.
* svd.cc, defaults.cc, dirfns.cc, error.cc, help.cc, input.cc, load-save.cc,
ls-oct-ascii.cc, oct-hist.cc, ov-base.cc, ov-range.cc, ov-struct.cc,
ov-usr-fcn.cc, pager.cc, pr-output.cc, pt-binop.cc, pt-eval.cc, pt-mat.cc,
sighandlers.cc, variables.cc: Document "local" option for configuration
variables.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Sun, 27 Nov 2011 16:07:13 -0800 |
parents | 0f2835a6a995 |
children | 8c327d185f5f |
rev | line source |
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6763 | 1 /* |
604 | 2 |
11523 | 3 Copyright (C) 1994-2011 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 |
3598 | 94 // Write octave-core 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. | |
5794 | 102 static std::string Voctave_core_file_name = "octave-core"; |
4791 | 103 |
3687 | 104 // The default output format. May be one of "binary", "text", |
105 // "mat-binary", or "hdf5". | |
5794 | 106 static std::string Vdefault_save_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 |
124 // save files. Passed to strftime. Should begin with `#' and contain | |
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") | |
132 error ("%s: unable to open input file `%s'", fcn.c_str (), file.c_str ()); | |
133 else if (fcn == "save") | |
134 error ("%s: unable to open output file `%s'", fcn.c_str (), file.c_str ()); | |
135 else | |
136 error ("%s: unable to open file `%s'", fcn.c_str (), file.c_str ()); | |
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::symbol_record& sr = symbol_table::insert (name); |
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150 sr.clear (); |
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151 sr.mark_global (); |
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152 sr.varref () = val; |
604 | 153 } |
154 else | |
7336 | 155 symbol_table::varref (name) = val; |
604 | 156 } |
157 | |
3019 | 158 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 159 |
3013 | 160 static bool |
3769 | 161 matches_patterns (const string_vector& patterns, int pat_idx, |
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162 int num_pat, const std::string& name) |
604 | 163 { |
1755 | 164 for (int i = pat_idx; i < num_pat; i++) |
604 | 165 { |
1792 | 166 glob_match pattern (patterns[i]); |
3013 | 167 |
1792 | 168 if (pattern.match (name)) |
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169 return true; |
604 | 170 } |
3688 | 171 |
3013 | 172 return false; |
604 | 173 } |
174 | |
4329 | 175 int |
3523 | 176 read_binary_file_header (std::istream& is, bool& swap, |
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177 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 178 { |
3552 | 179 const int magic_len = 10; |
180 char magic[magic_len+1]; | |
5760 | 181 is.read (magic, magic_len); |
604 | 182 magic[magic_len] = '\0'; |
3688 | 183 |
604 | 184 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 185 swap = oct_mach_info::words_big_endian (); |
604 | 186 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 187 swap = ! oct_mach_info::words_big_endian (); |
604 | 188 else |
189 { | |
190 if (! quiet) | |
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191 error ("load: unable to read read binary file"); |
604 | 192 return -1; |
193 } | |
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194 |
604 | 195 char tmp = 0; |
5760 | 196 is.read (&tmp, 1); |
604 | 197 |
2318 | 198 flt_fmt = mopt_digit_to_float_format (tmp); |
199 | |
4574 | 200 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 201 { |
202 if (! quiet) | |
203 error ("load: unrecognized binary format!"); | |
3688 | 204 |
604 | 205 return -1; |
206 } | |
207 | |
208 return 0; | |
209 } | |
210 | |
5269 | 211 #ifdef HAVE_ZLIB |
212 static bool | |
213 check_gzip_magic (const std::string& fname) | |
214 { | |
215 bool retval = false; | |
216 std::ifstream file (fname.c_str ()); | |
217 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
218 | |
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219 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f && |
5269 | 220 magic[1] == 0x8b) |
221 retval = true; | |
222 | |
223 file.close (); | |
224 return retval; | |
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225 } |
5269 | 226 #endif |
227 | |
604 | 228 static load_save_format |
6625 | 229 get_file_format (std::istream& file, const std::string& filename) |
604 | 230 { |
231 load_save_format retval = LS_UNKNOWN; | |
232 | |
4574 | 233 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 234 |
3019 | 235 bool swap = false; |
236 | |
237 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 238 retval = LS_BINARY; |
239 else | |
240 { | |
6202 | 241 file.clear (); |
3538 | 242 file.seekg (0, std::ios::beg); |
604 | 243 |
5828 | 244 int32_t mopt, nr, nc, imag, len; |
1180 | 245 |
246 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, 1); | |
247 | |
248 if (! err) | |
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249 retval = LS_MAT_BINARY; |
604 | 250 else |
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251 { |
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252 file.clear (); |
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253 file.seekg (0, std::ios::beg); |
604 | 254 |
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255 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 256 |
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257 if (! err) |
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258 { |
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259 file.clear (); |
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260 file.seekg (0, std::ios::beg); |
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261 retval = LS_MAT5_BINARY; |
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262 } |
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263 else |
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264 { |
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265 file.clear (); |
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266 file.seekg (0, std::ios::beg); |
3688 | 267 |
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268 std::string tmp = extract_keyword (file, "name"); |
4171 | 269 |
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270 if (! tmp.empty ()) |
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271 retval = LS_ASCII; |
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272 } |
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273 } |
604 | 274 } |
275 | |
5269 | 276 return retval; |
277 } | |
5977 | 278 |
5269 | 279 static load_save_format |
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280 get_file_format (const std::string& fname, const std::string& orig_fname, |
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281 bool &use_zlib) |
5269 | 282 { |
283 load_save_format retval = LS_UNKNOWN; | |
284 | |
285 #ifdef HAVE_HDF5 | |
286 // check this before we open the file | |
287 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
288 return LS_HDF5; | |
289 #endif /* HAVE_HDF5 */ | |
604 | 290 |
5269 | 291 std::ifstream file (fname.c_str ()); |
292 use_zlib = false; | |
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293 |
5269 | 294 if (file) |
295 { | |
6625 | 296 retval = get_file_format (file, orig_fname); |
5269 | 297 file.close (); |
5977 | 298 |
5383 | 299 #ifdef HAVE_ZLIB |
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300 if (retval == LS_UNKNOWN && check_gzip_magic (fname)) |
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301 { |
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302 gzifstream gzfile (fname.c_str ()); |
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303 use_zlib = true; |
5269 | 304 |
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305 if (gzfile) |
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306 { |
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307 retval = get_file_format (gzfile, orig_fname); |
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308 gzfile.close (); |
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309 } |
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310 } |
5977 | 311 #endif |
5269 | 312 |
313 if (retval == LS_UNKNOWN) | |
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314 { |
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315 // Try reading the file as numbers only, determining the |
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316 // number of rows and columns from the data. We don't |
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317 // even bother to check to see if the first item in the |
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318 // file is a number, so that get_complete_line() can |
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319 // skip any comments that might appear at the top of the |
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320 // file. |
5269 | 321 |
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322 retval = LS_MAT_ASCII; |
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323 } |
5269 | 324 } |
325 else | |
5369 | 326 gripe_file_open ("load", orig_fname); |
604 | 327 |
328 return retval; | |
329 } | |
330 | |
4329 | 331 octave_value |
7336 | 332 do_load (std::istream& stream, const std::string& orig_fname, |
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333 load_save_format format, oct_mach_info::float_format flt_fmt, |
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334 bool list_only, bool swap, bool verbose, |
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335 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 336 { |
3727 | 337 octave_value retval; |
338 | |
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339 octave_scalar_map retstruct; |
604 | 340 |
5765 | 341 std::ostringstream output_buf; |
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342 std::list<std::string> symbol_names; |
4051 | 343 |
5754 | 344 octave_idx_type count = 0; |
4051 | 345 |
604 | 346 for (;;) |
347 { | |
3019 | 348 bool global = false; |
2086 | 349 octave_value tc; |
604 | 350 |
4171 | 351 std::string name; |
352 std::string doc; | |
604 | 353 |
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354 switch (format.type) |
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355 { |
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356 case LS_ASCII: |
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357 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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358 break; |
604 | 359 |
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360 case LS_BINARY: |
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361 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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362 global, tc, doc); |
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363 break; |
604 | 364 |
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365 case LS_MAT_ASCII: |
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366 name = read_mat_ascii_data (stream, orig_fname, tc); |
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367 break; |
2511 | 368 |
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369 case LS_MAT_BINARY: |
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370 name = read_mat_binary_data (stream, orig_fname, tc); |
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371 break; |
604 | 372 |
3687 | 373 #ifdef HAVE_HDF5 |
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374 case LS_HDF5: |
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375 name = read_hdf5_data (stream, orig_fname, global, tc, doc); |
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376 break; |
3687 | 377 #endif /* HAVE_HDF5 */ |
378 | |
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379 case LS_MAT5_BINARY: |
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380 case LS_MAT7_BINARY: |
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381 name = read_mat5_binary_element (stream, orig_fname, swap, |
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382 global, tc); |
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383 break; |
3688 | 384 |
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385 default: |
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386 gripe_unrecognized_data_fmt ("load"); |
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387 break; |
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388 } |
604 | 389 |
4171 | 390 if (error_state || stream.eof () || name.empty ()) |
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391 break; |
4171 | 392 else if (! error_state && ! name.empty ()) |
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393 { |
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394 if (tc.is_defined ()) |
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395 { |
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396 if (format == LS_MAT_ASCII && argv_idx < argc) |
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397 warning ("load: loaded ASCII file `%s' -- ignoring extra args", |
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398 orig_fname.c_str ()); |
3136 | 399 |
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400 if (format == LS_MAT_ASCII |
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401 || argv_idx == argc |
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402 || matches_patterns (argv, argv_idx, argc, name)) |
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403 { |
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404 count++; |
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405 if (list_only) |
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406 { |
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407 if (verbose) |
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408 { |
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409 if (count == 1) |
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410 output_buf |
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411 << "type rows cols name\n" |
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412 << "==== ==== ==== ====\n"; |
621 | 413 |
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414 output_buf |
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415 << std::setiosflags (std::ios::left) |
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416 << std::setw (16) << tc.type_name () . c_str () |
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417 << std::setiosflags (std::ios::right) |
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418 << std::setw (7) << tc.rows () |
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419 << std::setw (7) << tc.columns () |
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420 << " " << name << "\n"; |
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421 } |
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422 else |
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423 symbol_names.push_back (name); |
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424 } |
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425 else |
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426 { |
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427 if (nargout == 1) |
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428 { |
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429 if (format == LS_MAT_ASCII) |
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430 retval = tc; |
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431 else |
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432 retstruct.assign (name, tc); |
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433 } |
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434 else |
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435 install_loaded_variable (name, tc, global, doc); |
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436 } |
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437 } |
2511 | 438 |
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439 // Only attempt to read one item from a headless text file. |
2511 | 440 |
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441 if (format == LS_MAT_ASCII) |
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442 break; |
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443 } |
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444 else |
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445 error ("load: unable to load variable `%s'", name.c_str ()); |
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446 } |
604 | 447 else |
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448 { |
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449 if (count == 0) |
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450 error ("load: are you sure `%s' is an Octave data file?", |
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451 orig_fname.c_str ()); |
604 | 452 |
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453 break; |
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454 } |
604 | 455 } |
456 | |
621 | 457 if (list_only && count) |
458 { | |
7779
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Add regexp matching to Fwho and Fclear
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459 if (verbose) |
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460 { |
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461 std::string msg = output_buf.str (); |
2095 | 462 |
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463 if (nargout > 0) |
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464 retval = msg; |
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465 else |
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466 octave_stdout << msg; |
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467 } |
621 | 468 else |
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469 { |
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470 if (nargout > 0) |
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471 retval = Cell (string_vector (symbol_names)); |
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472 else |
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473 { |
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474 string_vector names (symbol_names); |
7779
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Add regexp matching to Fwho and Fclear
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475 |
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476 names.list_in_columns (octave_stdout); |
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|
477 |
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478 octave_stdout << "\n"; |
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479 } |
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480 } |
621 | 481 } |
6639 | 482 else if (retstruct.nfields () != 0) |
3727 | 483 retval = retstruct; |
621 | 484 |
863 | 485 return retval; |
486 } | |
487 | |
6159 | 488 std::string |
489 find_file_to_load (const std::string& name, const std::string& orig_name) | |
490 { | |
491 std::string fname = name; | |
492 | |
6838 | 493 if (! (octave_env::absolute_pathname (fname) |
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494 || octave_env::rooted_relative_pathname (fname))) |
6159 | 495 { |
496 file_stat fs (fname); | |
497 | |
6584 | 498 if (! (fs.exists () && fs.is_reg ())) |
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499 { |
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500 std::string tmp |
10250 | 501 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 502 |
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503 if (! tmp.empty ()) |
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504 { |
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505 warning_with_id ("Octave:load-file-in-path", |
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506 "load: file found in load path"); |
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507 fname = tmp; |
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508 } |
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509 } |
6159 | 510 } |
511 | |
6838 | 512 size_t dot_pos = fname.rfind ("."); |
8007
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make file_ops a proper singleton class
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513 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
11586
12df7854fa7c
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|
514 |
8021 | 515 if (dot_pos == std::string::npos |
516 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 517 { |
6838 | 518 // Either no '.' in name or no '.' appears after last directory |
519 // separator. | |
520 | |
6159 | 521 file_stat fs (fname); |
522 | |
6584 | 523 if (! (fs.exists () && fs.is_reg ())) |
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524 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 525 } |
526 else | |
527 { | |
528 file_stat fs (fname); | |
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529 |
6584 | 530 if (! (fs.exists () && fs.is_reg ())) |
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531 { |
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532 fname = ""; |
6159 | 533 |
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534 error ("load: unable to find file %s", orig_name.c_str ()); |
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535 } |
6159 | 536 } |
537 | |
538 return fname; | |
539 } | |
540 | |
541 | |
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542 DEFUN (load, args, nargout, |
3372 | 543 "-*- texinfo -*-\n\ |
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544 @deftypefn {Command} {} load file\n\ |
11547 | 545 @deftypefnx {Command} {} load options file\n\ |
546 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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547 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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548 @deftypefnx {Command} {} load file options\n\ |
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549 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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550 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 551 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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552 @var{file}. If no variables are specified then all variables found in the\n\ |
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553 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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554 can be full names or use a pattern syntax. The format of the file is\n\ |
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555 automatically detected but may be overridden by supplying the appropriate\n\ |
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556 option.\n\ |
863 | 557 \n\ |
5665 | 558 If load is invoked using the functional form\n\ |
559 \n\ | |
560 @example\n\ | |
7247 | 561 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 562 @end example\n\ |
563 \n\ | |
564 @noindent\n\ | |
565 then the @var{options}, @var{file}, and variable name arguments\n\ | |
566 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
567 \n\ | |
3372 | 568 If a variable that is not marked as global is loaded from a file when a\n\ |
569 global symbol with the same name already exists, it is loaded in the\n\ | |
570 global symbol table. Also, if a variable is marked as global in a file\n\ | |
571 and a local symbol exists, the local symbol is moved to the global\n\ | |
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572 symbol table and given the value from the file.\n\ |
863 | 573 \n\ |
3727 | 574 If invoked with a single output argument, Octave returns data instead\n\ |
575 of inserting variables in the symbol table. If the data file contains\n\ | |
576 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
577 returned. Otherwise, @code{load} returns a structure with members\n\ | |
578 corresponding to the names of the variables in the file.\n\ | |
579 \n\ | |
3372 | 580 The @code{load} command can read data stored in Octave's text and\n\ |
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581 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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582 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 583 detect the type of file and do conversion from different floating point\n\ |
584 formats (currently only IEEE big and little endian, though other formats\n\ | |
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585 may be added in the future).\n\ |
3372 | 586 \n\ |
587 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 588 \n\ |
3372 | 589 @table @code\n\ |
590 @item -force\n\ | |
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591 This option is accepted for backward compatibility but is ignored.\n\ |
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592 Octave now overwrites variables currently in memory with\n\ |
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593 those of the same name found in the file.\n\ |
3372 | 594 \n\ |
595 @item -ascii\n\ | |
5938 | 596 Force Octave to assume the file contains columns of numbers in text format\n\ |
597 without any header or other information. Data in the file will be loaded\n\ | |
598 as a single numeric matrix with the name of the variable derived from the\n\ | |
599 name of the file.\n\ | |
5197 | 600 \n\ |
3372 | 601 @item -binary\n\ |
602 Force Octave to assume the file is in Octave's binary format.\n\ | |
603 \n\ | |
3687 | 604 @item -hdf5\n\ |
10840 | 605 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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606 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 607 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 608 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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609 skip some datasets in formats that it cannot support. This format is\n\ |
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610 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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611 \n\ |
3687 | 612 @item -import\n\ |
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613 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 614 Octave can now support multi-dimensional HDF data and automatically\n\ |
615 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 616 \n\ |
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617 @item -mat\n\ |
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618 @itemx -mat-binary\n\ |
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619 @itemx -6\n\ |
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620 @itemx -v6\n\ |
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621 @itemx -7\n\ |
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622 @itemx -v7\n\ |
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623 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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624 format.\n\ |
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625 \n\ |
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626 @item -mat4-binary\n\ |
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627 @itemx -4\n\ |
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628 @itemx -v4\n\ |
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629 @itemx -V4\n\ |
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630 Force Octave to assume the file is in the binary format written by\n\ |
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631 @sc{matlab} version 4.\n\ |
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632 \n\ |
5198 | 633 @item -text\n\ |
5197 | 634 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 635 @end table\n\ |
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636 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 637 @end deftypefn") |
863 | 638 { |
2086 | 639 octave_value_list retval; |
863 | 640 |
1755 | 641 int argc = args.length () + 1; |
642 | |
1968 | 643 string_vector argv = args.make_argv ("load"); |
1755 | 644 |
645 if (error_state) | |
646 return retval; | |
863 | 647 |
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648 int i = 1; |
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649 std::string orig_fname = ""; |
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650 |
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651 // Function called with Matlab-style ["filename", options] syntax |
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652 if (argc > 1 && argv[1].at(0) != '-') |
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653 { |
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654 orig_fname = argv[1]; |
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655 i++; |
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656 } |
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657 |
1358 | 658 // It isn't necessary to have the default load format stored in a |
659 // user preference variable since we can determine the type of file | |
660 // as we are reading. | |
863 | 661 |
662 load_save_format format = LS_UNKNOWN; | |
663 | |
3019 | 664 bool list_only = false; |
665 bool verbose = false; | |
863 | 666 |
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667 //for (i; i < argc; i++) |
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668 for (; i < argc; i++) |
863 | 669 { |
1755 | 670 if (argv[i] == "-force" || argv[i] == "-f") |
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671 { |
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672 // Silently ignore this |
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673 // warning ("load: -force ignored"); |
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674 } |
1755 | 675 else if (argv[i] == "-list" || argv[i] == "-l") |
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676 { |
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677 list_only = true; |
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678 } |
1755 | 679 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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680 { |
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681 verbose = true; |
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682 } |
1755 | 683 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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684 { |
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685 format = LS_MAT_ASCII; |
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686 } |
1755 | 687 else if (argv[i] == "-binary" || argv[i] == "-b") |
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688 { |
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689 format = LS_BINARY; |
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690 } |
5269 | 691 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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692 || argv[i] == "-6" || argv[i] == "-v6") |
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693 { |
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694 format = LS_MAT5_BINARY; |
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695 } |
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696 else if (argv[i] == "-7" || argv[i] == "-v7") |
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697 { |
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698 format = LS_MAT7_BINARY; |
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699 } |
5256 | 700 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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701 || argv[i] == "-v4" || argv[i] == "-4") |
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702 { |
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703 format = LS_MAT_BINARY; |
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704 } |
3687 | 705 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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706 { |
3687 | 707 #ifdef HAVE_HDF5 |
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708 format = LS_HDF5; |
3687 | 709 #else /* ! HAVE_HDF5 */ |
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710 error ("load: octave executable was not linked with HDF5 library"); |
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711 return retval; |
3687 | 712 #endif /* ! HAVE_HDF5 */ |
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713 } |
3687 | 714 else if (argv[i] == "-import" || argv[i] == "-i") |
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715 { |
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716 warning ("load: -import ignored"); |
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717 } |
5197 | 718 else if (argv[i] == "-text" || argv[i] == "-t") |
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changeset
|
719 { |
57a59eae83cc
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10309
diff
changeset
|
720 format = LS_ASCII; |
57a59eae83cc
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changeset
|
721 } |
863 | 722 else |
10315
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untabify src C++ source files
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diff
changeset
|
723 break; |
863 | 724 } |
725 | |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
726 if (orig_fname == "") |
863 | 727 { |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
728 if (i == argc) |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
729 { |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
730 print_usage (); |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
731 return retval; |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
732 } |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
733 else |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
734 orig_fname = argv[i]; |
863 | 735 } |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
736 else |
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
737 i--; |
863 | 738 |
4574 | 739 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 740 |
3019 | 741 bool swap = false; |
863 | 742 |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
743 if (orig_fname == "-") |
863 | 744 { |
1755 | 745 i++; |
863 | 746 |
3687 | 747 #ifdef HAVE_HDF5 |
748 if (format == LS_HDF5) | |
10315
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
749 error ("load: cannot read HDF5 format from stdin"); |
3687 | 750 else |
751 #endif /* HAVE_HDF5 */ | |
863 | 752 if (format != LS_UNKNOWN) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
753 { |
57a59eae83cc
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diff
changeset
|
754 // FIXME -- if we have already seen EOF on a |
57a59eae83cc
untabify src C++ source files
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parents:
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changeset
|
755 // previous call, how do we fix up the state of std::cin so |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
756 // that we can get additional input? I'm afraid that we |
57a59eae83cc
untabify src C++ source files
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changeset
|
757 // can't fix this using std::cin only. |
3531 | 758 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
759 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
760 list_only, swap, verbose, argv, i, argc, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
761 nargout); |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
762 } |
863 | 763 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
764 error ("load: must specify file format if reading from stdin"); |
863 | 765 } |
766 else | |
767 { | |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
Rik <octave@nomad.inbox5.com>
parents:
12661
diff
changeset
|
768 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 769 |
770 fname = find_file_to_load (fname, orig_fname); | |
863 | 771 |
6159 | 772 if (error_state) |
10315
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
773 return retval; |
6159 | 774 |
775 bool use_zlib = false; | |
5089 | 776 |
863 | 777 if (format == LS_UNKNOWN) |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
778 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 779 |
3687 | 780 #ifdef HAVE_HDF5 |
781 if (format == LS_HDF5) | |
10315
57a59eae83cc
untabify src C++ source files
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parents:
10309
diff
changeset
|
782 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
783 i++; |
3687 | 784 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
785 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 786 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
787 if (hdf5_file.file_id >= 0) |
57a59eae83cc
untabify src C++ source files
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changeset
|
788 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
789 retval = do_load (hdf5_file, orig_fname, format, |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
790 flt_fmt, list_only, swap, verbose, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
791 argv, i, argc, nargout); |
4844 | 792 |
10315
57a59eae83cc
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changeset
|
793 hdf5_file.close (); |
57a59eae83cc
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diff
changeset
|
794 } |
57a59eae83cc
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diff
changeset
|
795 else |
57a59eae83cc
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diff
changeset
|
796 gripe_file_open ("load", orig_fname); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
797 } |
3687 | 798 else |
799 #endif /* HAVE_HDF5 */ | |
10315
57a59eae83cc
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diff
changeset
|
800 // don't insert any statements here; the "else" above has to |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
801 // go with the "if" below!!!!! |
863 | 802 if (format != LS_UNKNOWN) |
10315
57a59eae83cc
untabify src C++ source files
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parents:
10309
diff
changeset
|
803 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
804 i++; |
863 | 805 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
806 // Always open in binary mode and handle various |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
807 // line-endings explicitly. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
808 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 809 |
5269 | 810 #ifdef HAVE_ZLIB |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
811 if (use_zlib) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
812 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
813 gzifstream file (fname.c_str (), mode); |
863 | 814 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
815 if (file) |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
816 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
817 if (format == LS_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
818 { |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
819 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
820 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
821 if (file) file.close (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
822 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10309
diff
changeset
|
823 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
824 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
825 else if (format == LS_MAT5_BINARY |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
826 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
827 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
828 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
829 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
830 if (file) file.close (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
831 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
832 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
833 } |
5269 | 834 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
835 retval = do_load (file, orig_fname, format, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
836 flt_fmt, list_only, swap, verbose, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
837 argv, i, argc, nargout); |
5269 | 838 |
10315
57a59eae83cc
untabify src C++ source files
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parents:
10309
diff
changeset
|
839 file.close (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
840 } |
57a59eae83cc
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parents:
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diff
changeset
|
841 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10309
diff
changeset
|
842 gripe_file_open ("load", orig_fname); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
843 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
844 else |
5269 | 845 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
846 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
847 std::ifstream file (fname.c_str (), mode); |
5269 | 848 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
849 if (file) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
850 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
851 if (format == LS_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
852 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
853 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
57a59eae83cc
untabify src C++ source files
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parents:
10309
diff
changeset
|
854 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
855 if (file) file.close (); |
57a59eae83cc
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parents:
10309
diff
changeset
|
856 return retval; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
857 } |
57a59eae83cc
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parents:
10309
diff
changeset
|
858 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
859 else if (format == LS_MAT5_BINARY |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
860 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
861 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
862 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
863 { |
57a59eae83cc
untabify src C++ source files
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10309
diff
changeset
|
864 if (file) file.close (); |
57a59eae83cc
untabify src C++ source files
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parents:
10309
diff
changeset
|
865 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
866 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
867 } |
5269 | 868 |
10315
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changeset
|
869 retval = do_load (file, orig_fname, format, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
870 flt_fmt, list_only, swap, verbose, |
57a59eae83cc
untabify src C++ source files
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changeset
|
871 argv, i, argc, nargout); |
5269 | 872 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
873 file.close (); |
57a59eae83cc
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diff
changeset
|
874 } |
57a59eae83cc
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diff
changeset
|
875 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12216
diff
changeset
|
876 error ("load: unable to open input file `%s'", |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
877 orig_fname.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
878 } |
57a59eae83cc
untabify src C++ source files
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changeset
|
879 } |
863 | 880 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
881 |
604 | 882 return retval; |
883 } | |
884 | |
3019 | 885 // Return TRUE if PATTERN has any special globbing chars in it. |
886 | |
887 static bool | |
3523 | 888 glob_pattern_p (const std::string& pattern) |
604 | 889 { |
890 int open = 0; | |
891 | |
1755 | 892 int len = pattern.length (); |
893 | |
894 for (int i = 0; i < len; i++) | |
604 | 895 { |
1755 | 896 char c = pattern[i]; |
897 | |
604 | 898 switch (c) |
10315
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899 { |
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900 case '?': |
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901 case '*': |
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902 return true; |
604 | 903 |
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904 case '[': // Only accept an open brace if there is a close |
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905 open++; // brace to match it. Bracket expressions must be |
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906 continue; // complete, according to Posix.2 |
604 | 907 |
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908 case ']': |
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909 if (open) |
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910 return true; |
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911 continue; |
4402 | 912 |
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913 case '\\': |
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914 if (i == len - 1) |
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915 return false; |
604 | 916 |
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917 default: |
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918 continue; |
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919 } |
604 | 920 } |
921 | |
3019 | 922 return false; |
604 | 923 } |
924 | |
4791 | 925 static void |
926 do_save (std::ostream& os, const octave_value& tc, | |
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927 const std::string& name, const std::string& help, |
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928 bool global, load_save_format fmt, bool save_as_floats) |
604 | 929 { |
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930 switch (fmt.type) |
604 | 931 { |
932 case LS_ASCII: | |
6974 | 933 save_ascii_data (os, tc, name, global, 0); |
604 | 934 break; |
935 | |
936 case LS_BINARY: | |
630 | 937 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 938 break; |
939 | |
5938 | 940 case LS_MAT_ASCII: |
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941 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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942 fmt.opts & LS_MAT_ASCII_TABS)) |
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943 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 944 break; |
945 | |
667 | 946 case LS_MAT_BINARY: |
947 save_mat_binary_data (os, tc, name); | |
948 break; | |
949 | |
3687 | 950 #ifdef HAVE_HDF5 |
951 case LS_HDF5: | |
952 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
953 break; | |
954 #endif /* HAVE_HDF5 */ | |
955 | |
3688 | 956 case LS_MAT5_BINARY: |
5269 | 957 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
958 break; | |
959 | |
960 case LS_MAT7_BINARY: | |
961 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 962 break; |
963 | |
604 | 964 default: |
775 | 965 gripe_unrecognized_data_fmt ("save"); |
604 | 966 break; |
967 } | |
968 } | |
969 | |
4791 | 970 // Save the info from SR on stream OS in the format specified by FMT. |
971 | |
972 void | |
7336 | 973 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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974 load_save_format fmt, bool save_as_floats) |
4791 | 975 { |
7336 | 976 octave_value val = sr.varval (); |
4791 | 977 |
7336 | 978 if (val.is_defined ()) |
4791 | 979 { |
7336 | 980 std::string name = sr.name (); |
981 std::string help; | |
982 bool global = sr.is_global (); | |
4791 | 983 |
7336 | 984 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 985 } |
986 } | |
987 | |
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988 // save fields of a scalar structure STR matching PATTERN on stream OS |
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989 // in the format specified by FMT. |
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990 |
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991 static size_t |
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992 save_fields (std::ostream& os, const octave_scalar_map& m, |
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993 const std::string& pattern, |
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994 load_save_format fmt, bool save_as_floats) |
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995 { |
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996 glob_match pat (pattern); |
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997 |
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998 size_t saved = 0; |
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999 |
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1000 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1001 { |
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1002 std::string empty_str; |
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1003 |
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1004 if (pat.match(m.key (p))) |
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1005 { |
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1006 do_save (os, m.contents (p), m.key (p), empty_str, |
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1007 0, fmt, save_as_floats); |
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1008 |
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1009 saved++; |
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1010 } |
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1011 } |
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1012 |
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1013 return saved; |
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1014 } |
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1015 |
604 | 1016 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1017 // format specified by FMT. |
604 | 1018 |
7336 | 1019 static size_t |
5794 | 1020 save_vars (std::ostream& os, const std::string& pattern, |
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1021 load_save_format fmt, bool save_as_floats) |
604 | 1022 { |
7336 | 1023 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1024 | |
1025 size_t saved = 0; | |
3355 | 1026 |
7336 | 1027 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
3355 | 1028 |
7336 | 1029 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1030 { |
7336 | 1031 do_save (os, *p, fmt, save_as_floats); |
620 | 1032 |
1033 if (error_state) | |
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1034 break; |
7336 | 1035 |
1036 saved++; | |
620 | 1037 } |
604 | 1038 |
1039 return saved; | |
1040 } | |
1041 | |
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1042 static string_vector |
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1043 parse_save_options (const string_vector &argv, |
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1044 load_save_format &format, bool &append, |
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1045 bool &save_as_floats, bool &use_zlib) |
604 | 1046 { |
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1047 string_vector retval; |
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1048 int argc = argv.length (); |
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1049 |
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1050 bool do_double = false, do_tabs = false; |
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1051 |
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1052 for (int i = 0; i < argc; i++) |
5284 | 1053 { |
1054 if (argv[i] == "-append") | |
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1055 { |
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1056 append = true; |
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1057 } |
5284 | 1058 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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1059 { |
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1060 format = LS_MAT_ASCII; |
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1061 } |
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1062 else if (argv[i] == "-double") |
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1063 { |
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1064 do_double = true; |
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1065 } |
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1066 else if (argv[i] == "-tabs") |
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1067 { |
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1068 do_tabs = true; |
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1069 } |
5284 | 1070 else if (argv[i] == "-text" || argv[i] == "-t") |
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1071 { |
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1072 format = LS_ASCII; |
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1073 } |
5284 | 1074 else if (argv[i] == "-binary" || argv[i] == "-b") |
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1075 { |
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1076 format = LS_BINARY; |
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1077 } |
5284 | 1078 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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1079 { |
3687 | 1080 #ifdef HAVE_HDF5 |
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1081 format = LS_HDF5; |
5284 | 1082 #else /* ! HAVE_HDF5 */ |
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1083 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1084 #endif /* ! HAVE_HDF5 */ |
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1085 } |
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1086 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1087 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1088 || argv[i] == "-V6") |
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1089 { |
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1090 format = LS_MAT5_BINARY; |
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1091 } |
5284 | 1092 #ifdef HAVE_ZLIB |
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1093 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1094 || argv[i] == "-v7" || argv[i] == "-V7") |
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1095 { |
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1096 format = LS_MAT7_BINARY; |
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1097 } |
5284 | 1098 #endif |
1099 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1100 || argv[i] == "-v4" || argv[i] == "-4") |
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1101 { |
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1102 format = LS_MAT_BINARY; |
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1103 } |
5284 | 1104 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1105 { |
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1106 format = LS_BINARY; |
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1107 save_as_floats = true; |
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1108 } |
5284 | 1109 else if (argv[i] == "-float-hdf5") |
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1110 { |
5284 | 1111 #ifdef HAVE_HDF5 |
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1112 format = LS_HDF5; |
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1113 save_as_floats = true; |
5284 | 1114 #else /* ! HAVE_HDF5 */ |
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1115 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1116 #endif /* ! HAVE_HDF5 */ |
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1117 } |
5284 | 1118 #ifdef HAVE_ZLIB |
1119 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1120 { |
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1121 use_zlib = true; |
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1122 } |
5284 | 1123 #endif |
1124 else | |
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1125 retval.append (argv[i]); |
5284 | 1126 } |
1127 | |
8418
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1128 if (do_double) |
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1129 { |
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1130 if (format == LS_MAT_ASCII) |
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1131 format.opts |= LS_MAT_ASCII_LONG; |
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1132 else |
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1133 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1134 } |
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1135 |
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1136 if (do_tabs) |
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1137 { |
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1138 if (format == LS_MAT_ASCII) |
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1139 format.opts |= LS_MAT_ASCII_TABS; |
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1140 else |
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1141 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1142 } |
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1143 |
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1144 return retval; |
5284 | 1145 } |
1146 | |
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1147 static string_vector |
11586
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1148 parse_save_options (const std::string &arg, load_save_format &format, |
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1149 bool &append, bool &save_as_floats, |
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1150 bool &use_zlib) |
5284 | 1151 { |
5765 | 1152 std::istringstream is (arg); |
5284 | 1153 std::string str; |
1154 string_vector argv; | |
11586
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1155 |
5765 | 1156 while (! is.eof ()) |
5284 | 1157 { |
1158 is >> str; | |
1159 argv.append (str); | |
1160 } | |
1161 | |
11586
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1162 return parse_save_options (argv, format, append, save_as_floats, |
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1163 use_zlib); |
604 | 1164 } |
1165 | |
4329 | 1166 void |
3523 | 1167 write_header (std::ostream& os, load_save_format format) |
863 | 1168 { |
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1169 switch (format.type) |
863 | 1170 { |
3185 | 1171 case LS_BINARY: |
1172 { | |
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1173 os << (oct_mach_info::words_big_endian () |
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1174 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1175 |
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1176 oct_mach_info::float_format flt_fmt = |
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1177 oct_mach_info::native_float_format (); |
3185 | 1178 |
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1179 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1180 |
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1181 os.write (&tmp, 1); |
3185 | 1182 } |
3688 | 1183 break; |
1184 | |
1185 case LS_MAT5_BINARY: | |
5269 | 1186 case LS_MAT7_BINARY: |
3688 | 1187 { |
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1188 char const * versionmagic; |
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1189 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1190 struct tm bdt; |
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1191 time_t now; |
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1192 char headertext[128]; |
3688 | 1193 |
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1194 time (&now); |
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1195 bdt = *gmtime (&now); |
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1196 memset (headertext, ' ', 124); |
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1197 // ISO 8601 format date |
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1198 nstrftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
9947
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1199 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1200 |
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1201 // The first pair of bytes give the version of the MAT file |
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1202 // format. The second pair of bytes form a magic number which |
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1203 // signals a MAT file. MAT file data are always written in |
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1204 // native byte order. The order of the bytes in the second |
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1205 // pair indicates whether the file was written by a big- or |
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1206 // little-endian machine. However, the version number is |
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1207 // written in the *opposite* byte order from everything else! |
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1208 if (number == 1) |
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1209 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1210 else |
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1211 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1212 |
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1213 memcpy (headertext+124, versionmagic, 4); |
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1214 os.write (headertext, 128); |
3688 | 1215 } |
1216 | |
1217 break; | |
3185 | 1218 |
3687 | 1219 #ifdef HAVE_HDF5 |
1220 case LS_HDF5: | |
1221 #endif /* HAVE_HDF5 */ | |
3185 | 1222 case LS_ASCII: |
1223 { | |
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1224 octave_localtime now; |
3709 | 1225 |
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1226 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1227 |
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1228 if (! comment_string.empty ()) |
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1229 { |
3687 | 1230 #ifdef HAVE_HDF5 |
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1231 if (format == LS_HDF5) |
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1232 { |
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1233 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1234 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1235 } |
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1236 else |
3687 | 1237 #endif /* HAVE_HDF5 */ |
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1238 os << comment_string << "\n"; |
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1239 } |
3185 | 1240 } |
1241 break; | |
1242 | |
1243 default: | |
1244 break; | |
863 | 1245 } |
1246 } | |
1247 | |
1248 static void | |
3769 | 1249 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1250 std::ostream& os, load_save_format fmt, |
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1251 bool save_as_floats, bool write_header_info) |
863 | 1252 { |
3185 | 1253 if (write_header_info) |
1254 write_header (os, fmt); | |
863 | 1255 |
1755 | 1256 if (argv_idx == argc) |
863 | 1257 { |
5794 | 1258 save_vars (os, "*", fmt, save_as_floats); |
863 | 1259 } |
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1260 else if (argv[argv_idx] == "-struct") |
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1261 { |
11586
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1262 if (++argv_idx >= argc) |
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1263 { |
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1264 error ("save: missing struct name"); |
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1265 return; |
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1266 } |
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1267 |
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1268 std::string struct_name = argv[argv_idx]; |
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1269 |
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1270 if (! symbol_table::is_variable (struct_name)) |
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1271 { |
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1272 error ("save: no such variable: `%s'", struct_name.c_str ()); |
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1273 return; |
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|
1274 } |
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1275 |
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1276 octave_value struct_var = symbol_table::varref (struct_name); |
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1277 |
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1278 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1279 { |
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1280 error ("save: `%s' is not a scalar structure", |
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1281 struct_name.c_str ()); |
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1282 return; |
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1283 } |
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1284 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1285 |
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1286 ++argv_idx; |
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1287 |
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1288 if (argv_idx < argc) |
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1289 { |
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1290 for (int i = argv_idx; i < argc; i++) |
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1291 { |
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1292 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1293 save_as_floats)) |
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1294 { |
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1295 warning ("save: no such field `%s.%s'", |
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1296 struct_name.c_str (), argv[i].c_str ()); |
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1297 } |
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1298 } |
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1299 } |
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1300 else |
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1301 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1302 } |
863 | 1303 else |
1304 { | |
1755 | 1305 for (int i = argv_idx; i < argc; i++) |
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1306 { |
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1307 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1308 warning ("save: no such variable `%s'", argv[i].c_str ()); |
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1309 } |
863 | 1310 } |
1311 } | |
1312 | |
5284 | 1313 static void |
1314 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1315 bool save_as_floats) |
4791 | 1316 { |
1317 write_header (os, fmt); | |
1318 | |
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1319 std::list<symbol_table::symbol_record> vars |
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1320 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1321 |
1322 double save_mem_size = 0; | |
1323 | |
7336 | 1324 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
1325 | |
1326 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1327 { |
7336 | 1328 octave_value val = p->varval (); |
4791 | 1329 |
7336 | 1330 if (val.is_defined ()) |
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1331 { |
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1332 std::string name = p->name (); |
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1333 std::string help; |
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1334 bool global = p->is_global (); |
4791 | 1335 |
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1336 double val_size = val.byte_size () / 1024; |
4791 | 1337 |
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1338 // FIXME -- maybe we should try to throw out the largest first... |
4791 | 1339 |
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1340 if (Voctave_core_file_limit < 0 |
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1341 || save_mem_size + val_size < Voctave_core_file_limit) |
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1342 { |
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1343 save_mem_size += val_size; |
4791 | 1344 |
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1345 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1346 |
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1347 if (error_state) |
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1348 break; |
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1349 } |
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1350 } |
4791 | 1351 } |
1352 | |
1353 message (0, "save to `%s' complete", fname); | |
1354 } | |
1355 | |
1356 void | |
1357 dump_octave_core (void) | |
1380 | 1358 { |
3189 | 1359 if (Vcrash_dumps_octave_core) |
1380 | 1360 { |
5775 | 1361 // FIXME -- should choose better file name? |
3189 | 1362 |
4791 | 1363 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1364 |
1365 message (0, "attempting to save variables to `%s'...", fname); | |
1366 | |
5284 | 1367 load_save_format format = LS_BINARY; |
1368 | |
1369 bool save_as_floats = false; | |
1370 | |
1371 bool append = false; | |
3189 | 1372 |
5284 | 1373 bool use_zlib = false; |
1374 | |
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1375 parse_save_options (Voctave_core_file_options, format, append, |
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1376 save_as_floats, use_zlib); |
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1377 |
5284 | 1378 std::ios::openmode mode = std::ios::out; |
4791 | 1379 |
6625 | 1380 // Matlab v7 files are always compressed |
1381 if (format == LS_MAT7_BINARY) | |
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1382 use_zlib = false; |
6625 | 1383 |
4791 | 1384 if (format == LS_BINARY |
1385 #ifdef HAVE_HDF5 | |
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1386 || format == LS_HDF5 |
4791 | 1387 #endif |
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1388 || format == LS_MAT_BINARY |
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1389 || format == LS_MAT5_BINARY |
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1390 || format == LS_MAT7_BINARY) |
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1391 mode |= std::ios::binary; |
3189 | 1392 |
5284 | 1393 mode |= append ? std::ios::ate : std::ios::trunc; |
1394 | |
3687 | 1395 #ifdef HAVE_HDF5 |
1396 if (format == LS_HDF5) | |
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1397 { |
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1398 hdf5_ofstream file (fname, mode); |
3687 | 1399 |
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1400 if (file.file_id >= 0) |
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1401 { |
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1402 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1403 |
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1404 file.close (); |
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1405 } |
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1406 else |
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1407 warning ("unable to open `%s' for writing...", fname); |
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1408 } |
3189 | 1409 else |
3687 | 1410 #endif /* HAVE_HDF5 */ |
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1411 // don't insert any commands here! The open brace below must |
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1412 // go with the else above! |
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1413 { |
5284 | 1414 #ifdef HAVE_ZLIB |
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1415 if (use_zlib) |
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1416 { |
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1417 gzofstream file (fname, mode); |
4791 | 1418 |
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1419 if (file) |
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1420 { |
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1421 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1422 |
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1423 file.close (); |
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1424 } |
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1425 else |
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1426 warning ("unable to open `%s' for writing...", fname); |
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1427 } |
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1428 else |
5284 | 1429 #endif |
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1430 { |
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1431 std::ofstream file (fname, mode); |
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1432 |
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1433 if (file) |
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1434 { |
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1435 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1436 |
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1437 file.close (); |
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1438 } |
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1439 else |
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1440 warning ("unable to open `%s' for writing...", fname); |
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1441 } |
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1442 } |
1380 | 1443 } |
1444 } | |
1445 | |
5269 | 1446 |
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1447 DEFUN (save, args, , |
3372 | 1448 "-*- texinfo -*-\n\ |
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1449 @deftypefn {Command} {} save file\n\ |
11547 | 1450 @deftypefnx {Command} {} save options file\n\ |
1451 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1452 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
7247 | 1453 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
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1454 @var{file}. The special filename @samp{-} may be used to write\n\ |
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1455 output to the terminal. If no variable names are listed, Octave saves\n\ |
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1456 all the variables in the current scope. Otherwise, full variable names or\n\ |
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1457 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1458 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
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1459 of the scalar structure @var{STRUCT} are saved as if they were variables\n\ |
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1460 with corresponding names.\n\ |
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1461 Valid options for the @code{save} command are listed in the following table.\n\ |
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1462 Options that modify the output format override the format specified by\n\ |
5794 | 1463 @code{default_save_options}.\n\ |
3372 | 1464 \n\ |
5665 | 1465 If save is invoked using the functional form\n\ |
1466 \n\ | |
1467 @example\n\ | |
7247 | 1468 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1469 @end example\n\ |
1470 \n\ | |
1471 @noindent\n\ | |
1472 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1473 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1474 \n\ |
3372 | 1475 @table @code\n\ |
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1476 @item -append\n\ |
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1477 Append to the destination instead of overwriting.\n\ |
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1478 \n\ |
3372 | 1479 @item -ascii\n\ |
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1480 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1481 \n\ |
3372 | 1482 @item -binary\n\ |
1483 Save the data in Octave's binary data format.\n\ | |
1484 \n\ | |
1485 @item -float-binary\n\ | |
1486 Save the data in Octave's binary data format but only using single\n\ | |
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1487 precision. Only use this format if you know that all the\n\ |
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1488 values to be saved can be represented in single precision.\n\ |
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1489 \n\ |
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1490 @item -hdf5\n\ |
10840 | 1491 Save the data in @sc{hdf5} format.\n\ |
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1492 (HDF5 is a free, portable binary format developed by the National\n\ |
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1493 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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1494 This format is only available if Octave was built with a link to the\n\ |
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1495 @sc{hdf5} libraries.\n\ |
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1496 \n\ |
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1497 @item -float-hdf5\n\ |
10840 | 1498 Save the data in @sc{hdf5} format but only using single precision.\n\ |
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1499 Only use this format if you know that all the\n\ |
3372 | 1500 values to be saved can be represented in single precision.\n\ |
1501 \n\ | |
5269 | 1502 @item -V7\n\ |
1503 @itemx -v7\n\ | |
1504 @itemx -7\n\ | |
1505 @itemx -mat7-binary\n\ | |
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1506 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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1507 \n\ |
5269 | 1508 @item -V6\n\ |
5284 | 1509 @itemx -v6\n\ |
5269 | 1510 @itemx -6\n\ |
1511 @itemx -mat\n\ | |
4884 | 1512 @itemx -mat-binary\n\ |
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1513 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1514 \n\ |
5256 | 1515 @item -V4\n\ |
1516 @itemx -v4\n\ | |
1517 @itemx -4\n\ | |
1518 @itemx -mat4-binary\n\ | |
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1519 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1520 \n\ |
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1521 @item -text\n\ |
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1522 Save the data in Octave's text data format. (default).\n\ |
3687 | 1523 \n\ |
5269 | 1524 @item -zip\n\ |
1525 @itemx -z\n\ | |
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1526 Use the gzip algorithm to compress the file. This works equally on files\n\ |
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1527 that are compressed with gzip outside of octave, and gzip can equally be\n\ |
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1528 used to convert the files for backward compatibility.\n\ |
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1529 This option is only available if Octave was built with a link to the zlib\n\ |
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1530 libraries.\n\ |
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1531 @end table\n\ |
604 | 1532 \n\ |
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1533 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1534 the following special characters:\n\ |
1535 @table @code\n\ | |
1536 @item ?\n\ | |
1537 Match any single character.\n\ | |
1538 \n\ | |
1539 @item *\n\ | |
1540 Match zero or more characters.\n\ | |
1541 \n\ | |
1542 @item [ @var{list} ]\n\ | |
1543 Match the list of characters specified by @var{list}. If the first\n\ | |
1544 character is @code{!} or @code{^}, match all characters except those\n\ | |
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1545 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
12642
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1546 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
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|
1547 \n\ |
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1548 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1549 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1550 \n\ |
3372 | 1551 @end table\n\ |
1552 \n\ | |
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1553 Except when using the @sc{matlab} binary data file format or the\n\ |
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1554 @samp{-ascii} format, saving global\n\ |
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1555 variables also saves the global status of the variable. If the variable\n\ |
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1556 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1557 global variable.\n\ |
1558 \n\ | |
1559 The command\n\ | |
1560 \n\ | |
1561 @example\n\ | |
1562 save -binary data a b*\n\ | |
1563 @end example\n\ | |
1564 \n\ | |
1565 @noindent\n\ | |
1566 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1567 the file @file{data} in Octave's binary format.\n\ | |
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1568 @seealso{load, default_save_options, dlmread, csvread, fread}\n\ |
11547 | 1569 @end deftypefn") |
604 | 1570 { |
2086 | 1571 octave_value_list retval; |
604 | 1572 |
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1573 int argc = args.length (); |
1755 | 1574 |
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1575 string_vector argv = args.make_argv (); |
1755 | 1576 |
1577 if (error_state) | |
1578 return retval; | |
604 | 1579 |
1358 | 1580 // Here is where we would get the default save format if it were |
1581 // stored in a user preference variable. | |
604 | 1582 |
3019 | 1583 bool save_as_floats = false; |
630 | 1584 |
5284 | 1585 load_save_format format = LS_ASCII; |
604 | 1586 |
3185 | 1587 bool append = false; |
1588 | |
5269 | 1589 bool use_zlib = false; |
1590 | |
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1591 // get default options |
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1592 parse_save_options (Vdefault_save_options, format, append, save_as_floats, |
8034
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1593 use_zlib); |
5351 | 1594 |
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1595 // override from command line |
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1596 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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1597 use_zlib); |
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1598 argc = argv.length (); |
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1599 int i = 0; |
5197 | 1600 |
5284 | 1601 if (error_state) |
1602 return retval; | |
604 | 1603 |
2057 | 1604 if (i == argc) |
604 | 1605 { |
5823 | 1606 print_usage (); |
604 | 1607 return retval; |
1608 } | |
1609 | |
630 | 1610 if (save_as_floats && format == LS_ASCII) |
1611 { | |
1612 error ("save: cannot specify both -ascii and -float-binary"); | |
1613 return retval; | |
1614 } | |
1615 | |
1755 | 1616 if (argv[i] == "-") |
604 | 1617 { |
1755 | 1618 i++; |
863 | 1619 |
3687 | 1620 #ifdef HAVE_HDF5 |
1621 if (format == LS_HDF5) | |
4687 | 1622 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1623 else |
1624 #endif /* HAVE_HDF5 */ | |
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1625 // don't insert any commands here! the brace below must go |
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1626 // with the "else" above! |
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1627 { |
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1628 if (append) |
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1629 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1630 |
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1631 // FIXME -- should things intended for the screen end up |
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1632 // in a octave_value (string)? |
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1633 |
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1634 save_vars (argv, i, argc, octave_stdout, format, |
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1635 save_as_floats, true); |
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1636 } |
604 | 1637 } |
1755 | 1638 |
1639 // Guard against things like `save a*', which are probably mistakes... | |
1640 | |
1641 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1642 { | |
5823 | 1643 print_usage (); |
604 | 1644 return retval; |
1645 } | |
1646 else | |
1647 { | |
3523 | 1648 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1649 |
1650 i++; | |
604 | 1651 |
6625 | 1652 // Matlab v7 files are always compressed |
1653 if (format == LS_MAT7_BINARY) | |
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1654 use_zlib = false; |
6625 | 1655 |
6759 | 1656 std::ios::openmode mode |
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1657 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1658 |
4791 | 1659 if (format == LS_BINARY |
1660 #ifdef HAVE_HDF5 | |
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1661 || format == LS_HDF5 |
4791 | 1662 #endif |
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1663 || format == LS_MAT_BINARY |
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1664 || format == LS_MAT5_BINARY |
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1665 || format == LS_MAT7_BINARY) |
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1666 mode |= std::ios::binary; |
3538 | 1667 |
3687 | 1668 #ifdef HAVE_HDF5 |
1669 if (format == LS_HDF5) | |
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1670 { |
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1671 // FIXME. It should be possible to append to HDF5 files. |
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1672 if (append) |
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1673 { |
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1674 error ("save: appending to HDF5 files is not implemented"); |
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1675 return retval; |
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1676 } |
6759 | 1677 |
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1678 bool write_header_info = ! (append && |
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1679 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1680 |
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1681 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1682 |
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1683 if (hdf5_file.file_id != -1) |
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1684 { |
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1685 save_vars (argv, i, argc, hdf5_file, format, |
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1686 save_as_floats, write_header_info); |
3687 | 1687 |
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1688 hdf5_file.close (); |
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1689 } |
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1690 else |
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1691 { |
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1692 gripe_file_open ("save", fname); |
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1693 return retval; |
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1694 } |
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1695 } |
863 | 1696 else |
3687 | 1697 #endif /* HAVE_HDF5 */ |
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1698 // don't insert any statements here! The brace below must go |
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1699 // with the "else" above! |
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1700 { |
5269 | 1701 #ifdef HAVE_ZLIB |
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1702 if (use_zlib) |
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1703 { |
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1704 gzofstream file (fname.c_str (), mode); |
5269 | 1705 |
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1706 if (file) |
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1707 { |
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1708 bool write_header_info = ! file.tellp (); |
6760 | 1709 |
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1710 save_vars (argv, i, argc, file, format, |
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1711 save_as_floats, write_header_info); |
5269 | 1712 |
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1713 file.close (); |
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1714 } |
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1715 else |
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1716 { |
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1717 gripe_file_open ("save", fname); |
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1718 return retval; |
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1719 } |
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1720 } |
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1721 else |
5269 | 1722 #endif |
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1723 { |
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1724 std::ofstream file (fname.c_str (), mode); |
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1725 |
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1726 if (file) |
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1727 { |
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1728 bool write_header_info = ! file.tellp (); |
6760 | 1729 |
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1730 save_vars (argv, i, argc, file, format, |
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1731 save_as_floats, write_header_info); |
5269 | 1732 |
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1733 file.close (); |
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1734 } |
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1735 else |
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1736 { |
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1737 gripe_file_open ("save", fname); |
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1738 return retval; |
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1739 } |
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1740 } |
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1741 } |
604 | 1742 } |
1743 | |
1744 return retval; | |
1745 } | |
1746 | |
5794 | 1747 DEFUN (crash_dumps_octave_core, args, nargout, |
1748 "-*- texinfo -*-\n\ | |
10840 | 1749 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1750 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1751 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1752 Query or set the internal variable that controls whether Octave tries\n\ |
6653 | 1753 to save all current variables to the file \"octave-core\" if it\n\ |
5794 | 1754 crashes or receives a hangup, terminate or similar signal.\n\ |
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1755 \n\ |
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1756 When called from inside a function with the \"local\" option, the variable is\n\ |
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1757 changed locally for the function and any subroutines it calls. The original\n\ |
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1758 variable value is restored when exiting the function.\n\ |
5794 | 1759 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1760 @end deftypefn") | |
2194 | 1761 { |
5794 | 1762 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1763 } |
1764 | |
5794 | 1765 DEFUN (default_save_options, args, nargout, |
1766 "-*- texinfo -*-\n\ | |
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1767 @deftypefn {Built-in Function} {@var{val} =} default_save_options ()\n\ |
5794 | 1768 @deftypefnx {Built-in Function} {@var{old_val} =} default_save_options (@var{new_val})\n\ |
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1769 @deftypefnx {Built-in Function} {} default_save_options (@var{new_val}, \"local\")\n\ |
5794 | 1770 Query or set the internal variable that specifies the default options\n\ |
1771 for the @code{save} command, and defines the default format.\n\ | |
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1772 Typical values include @code{\"-ascii\"}, @code{\"-text -zip\"}.\n\ |
10840 | 1773 The default value is @option{-text}.\n\ |
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1774 \n\ |
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1775 When called from inside a function with the \"local\" option, the variable is\n\ |
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1776 changed locally for the function and any subroutines it calls. The original\n\ |
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1777 variable value is restored when exiting the function.\n\ |
5794 | 1778 @seealso{save}\n\ |
1779 @end deftypefn") | |
4788 | 1780 { |
5794 | 1781 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (default_save_options); |
4788 | 1782 } |
1783 | |
5794 | 1784 DEFUN (octave_core_file_limit, args, nargout, |
1785 "-*- texinfo -*-\n\ | |
10840 | 1786 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1787 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1788 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1789 Query or set the internal variable that specifies the maximum amount\n\ |
1790 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1791 attempt to save when writing data to the crash dump file (the name of\n\ | |
1792 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1793 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1794 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1795 size of the file. If a text file format is used, then the file could\n\ | |
1796 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1797 \n\ |
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1798 When called from inside a function with the \"local\" option, the variable is\n\ |
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1799 changed locally for the function and any subroutines it calls. The original\n\ |
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1800 variable value is restored when exiting the function.\n\ |
5794 | 1801 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1802 @end deftypefn") | |
3709 | 1803 { |
5794 | 1804 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1805 } |
1806 | |
5794 | 1807 DEFUN (octave_core_file_name, args, nargout, |
1808 "-*- texinfo -*-\n\ | |
10840 | 1809 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1810 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1811 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1812 Query or set the internal variable that specifies the name of the file\n\ |
1813 used for saving data from the top-level workspace if Octave aborts.\n\ | |
1814 The default value is @code{\"octave-core\"}\n\ | |
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1815 \n\ |
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1816 When called from inside a function with the \"local\" option, the variable is\n\ |
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1817 changed locally for the function and any subroutines it calls. The original\n\ |
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1818 variable value is restored when exiting the function.\n\ |
5794 | 1819 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1820 @end deftypefn") | |
2194 | 1821 { |
5794 | 1822 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1823 } | |
4791 | 1824 |
5794 | 1825 DEFUN (octave_core_file_options, args, nargout, |
1826 "-*- texinfo -*-\n\ | |
10840 | 1827 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1828 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1829 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1830 Query or set the internal variable that specifies the options used for\n\ |
1831 saving the workspace data if Octave aborts. The value of\n\ | |
1832 @code{octave_core_file_options} should follow the same format as the\n\ | |
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1833 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1834 format.\n\ |
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1835 \n\ |
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1836 When called from inside a function with the \"local\" option, the variable is\n\ |
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1837 changed locally for the function and any subroutines it calls. The original\n\ |
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1838 variable value is restored when exiting the function.\n\ |
5642 | 1839 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1840 @end deftypefn") |
1841 { | |
1842 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1843 } | |
2194 | 1844 |
5794 | 1845 DEFUN (save_header_format_string, args, nargout, |
1846 "-*- texinfo -*-\n\ | |
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1847 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1848 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1849 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1850 Query or set the internal variable that specifies the format\n\ |
1851 string used for the comment line written at the beginning of\n\ | |
1852 text-format data files saved by Octave. The format string is\n\ | |
1853 passed to @code{strftime} and should begin with the character\n\ | |
1854 @samp{#} and contain no newline characters. If the value of\n\ | |
1855 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1856 the header comment is omitted from text-format data files. The\n\ |
1857 default value is\n\ | |
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1858 @c Set example in small font to prevent overfull line\n\ |
3709 | 1859 \n\ |
7031 | 1860 @smallexample\n\ |
4060 | 1861 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1862 @end smallexample\n\ |
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1863 \n\ |
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1864 When called from inside a function with the \"local\" option, the variable is\n\ |
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1865 changed locally for the function and any subroutines it calls. The original\n\ |
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1866 variable value is restored when exiting the function.\n\ |
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1867 @seealso{strftime, save}\n\ |
5794 | 1868 @end deftypefn") |
1869 { | |
1870 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1871 } |