Mercurial > octave
annotate libinterp/corefcn/load-save.cc @ 25103:078b795c5219 stable
maint: style check C++ ahead of 4.4 release.
* ButtonGroup.cc, Canvas.cc, Figure.cc, GLCanvas.cc, GLCanvas.h,
ListBoxControl.cc, ObjectProxy.cc, QTerminal.h, dialog.cc, documentation.cc,
files-dock-widget.cc, history-dock-widget.cc, file-editor-tab.cc,
file-editor.h, find-dialog.cc, marker.h, octave-qscintilla.cc,
octave-qscintilla.h, main-window.cc, webinfo.cc, resource-manager.h,
settings-dialog.cc, shortcut-manager.cc, shortcut-manager.h,
variable-editor.cc, workspace-view.cc, build-env.in.cc, __ilu__.cc, cellfun.cc,
data.cc, dirfns.cc, dynamic-ld.h, environment.cc, error.cc, fcn-info.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, help.cc,
interpreter.cc, load-path.cc, load-save.cc, ls-mat5.cc, mex.cc, oct-stream.cc,
oct-stream.h, qz.cc, sighandlers.cc, sparse-xpow.cc, svd.cc, symscope.h,
symtab.cc, symtab.h, sysdep.cc, url-handle-manager.h, utils.cc, variables.cc,
__init_fltk__.cc, __ode15__.cc, gzip.cc, ov-base.cc, ov-builtin.h, ov-cell.cc,
ov-class.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-java.cc, ov-re-diag.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc,
op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc,
op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcs-fcm.cc, op-fcs-fcs.cc,
op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc,
op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc,
op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc,
op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc,
op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc,
op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc,
op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc,
bp-table.cc, comment-list.h, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h,
parse.h, pt-binop.h, pt-decl.h, pt-eval.cc, pt-jit.cc, pt-jit.h, pt-misc.h,
token.h, CMatrix.cc, CMatrix.h, CSparse.cc, CSparse.h, dMatrix.h, fCMatrix.cc,
fCMatrix.h, fMatrix.h, Faddeeva.cc, gepbalance.cc, hess.cc, oct-fftw.cc,
oct-fftw.h, file-stat.cc, lo-sysinfo.cc, action-container.h, f77-fcn.h,
lo-regexp.cc, oct-mutex.h, oct-shlib.cc:
Use Octave coding conventions in C++ files.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 03 Apr 2018 13:52:07 -0700 |
parents | 6652d3823428 |
children | d7ad543255c5 |
rev | line source |
---|---|
6763 | 1 /* |
604 | 2 |
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3 Copyright (C) 1994-2018 John W. Eaton |
604 | 4 |
5 This file is part of Octave. | |
6 | |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
604 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
604 | 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 |
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19 <https://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 |
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27 #if defined (HAVE_CONFIG_H) |
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28 # include "config.h" |
604 | 29 #endif |
30 | |
1343 | 31 #include <cstring> |
32 | |
4249 | 33 #include <fstream> |
3503 | 34 #include <iomanip> |
35 #include <iostream> | |
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36 #include <list> |
5765 | 37 #include <sstream> |
1728 | 38 #include <string> |
39 | |
1961 | 40 #include "byte-swap.h" |
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41 #include "dMatrix.h" |
1961 | 42 #include "data-conv.h" |
2926 | 43 #include "file-ops.h" |
6159 | 44 #include "file-stat.h" |
2926 | 45 #include "glob-match.h" |
2890 | 46 #include "lo-mappers.h" |
2318 | 47 #include "mach-info.h" |
3185 | 48 #include "oct-env.h" |
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49 #include "oct-locbuf.h" |
3258 | 50 #include "oct-time.h" |
4171 | 51 #include "quit.h" |
1755 | 52 #include "str-vec.h" |
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53 #include "strftime-wrapper.h" |
1755 | 54 |
4332 | 55 #include "Cell.h" |
1352 | 56 #include "defun.h" |
604 | 57 #include "error.h" |
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58 #include "errwarn.h" |
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59 #include "interpreter-private.h" |
6159 | 60 #include "load-path.h" |
1352 | 61 #include "load-save.h" |
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62 #include "oct-hdf5.h" |
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63 #include "ovl.h" |
3687 | 64 #include "oct-map.h" |
4332 | 65 #include "ov-cell.h" |
1352 | 66 #include "pager.h" |
1750 | 67 #include "pt-exp.h" |
1352 | 68 #include "symtab.h" |
69 #include "sysdep.h" | |
70 #include "unwind-prot.h" | |
604 | 71 #include "utils.h" |
2371 | 72 #include "variables.h" |
3185 | 73 #include "version.h" |
3688 | 74 |
4633 | 75 #include "ls-hdf5.h" |
76 #include "ls-mat-ascii.h" | |
77 #include "ls-mat4.h" | |
78 #include "ls-mat5.h" | |
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79 #include "ls-oct-text.h" |
4633 | 80 #include "ls-oct-binary.h" |
3688 | 81 |
10309 | 82 // Remove gnulib definitions, if any. |
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83 #if defined (close) |
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84 # undef close |
10309 | 85 #endif |
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86 #if defined (open) |
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87 # undef open |
5269 | 88 #endif |
89 | |
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90 #if defined (HAVE_ZLIB) |
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91 # include "zfstream.h" |
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92 #endif |
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93 |
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94 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 95 static bool Vcrash_dumps_octave_core = true; |
3189 | 96 |
4791 | 97 // The maximum amount of memory (in kilobytes) that we will attempt to |
98 // write to the Octave core file. | |
5794 | 99 static double Voctave_core_file_limit = -1.0; |
4791 | 100 |
101 // The name of the Octave core file. | |
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102 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 103 |
3687 | 104 // The default output format. May be one of "binary", "text", |
105 // "mat-binary", or "hdf5". | |
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106 static std::string Vsave_default_options = "-text"; |
2194 | 107 |
5284 | 108 // The output format for Octave core files. |
5794 | 109 static std::string Voctave_core_file_options = "-binary"; |
110 | |
111 static std::string | |
112 default_save_header_format (void) | |
113 { | |
114 return | |
115 std::string ("# Created by Octave " OCTAVE_VERSION | |
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116 ", %a %b %d %H:%M:%S %Y %Z <") |
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117 + octave::sys::env::get_user_name () |
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118 + '@' |
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119 + octave::sys::env::get_host_name () |
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120 + '>'; |
5794 | 121 } |
4788 | 122 |
3709 | 123 // The format string for the comment line at the top of text-format |
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124 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 125 // no newline characters. |
5794 | 126 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 127 |
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128 OCTAVE_NORETURN static |
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129 void |
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130 err_file_open (const std::string& fcn, const std::string& file) |
5369 | 131 { |
132 if (fcn == "load") | |
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133 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 134 else if (fcn == "save") |
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135 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 136 else |
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137 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 138 } |
139 | |
7336 | 140 // Install a variable with name NAME and the value VAL in the |
141 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 142 |
143 static void | |
7336 | 144 install_loaded_variable (const std::string& name, |
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145 const octave_value& val, |
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146 bool global, const std::string& /*doc*/) |
604 | 147 { |
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148 octave::symbol_table& symtab |
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149 = octave::__get_symbol_table__ ("install_loaded_variable"); |
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150 |
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151 octave::symbol_scope scope |
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152 = symtab.require_current_scope ("install_loaded_variable"); |
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153 |
604 | 154 if (global) |
155 { | |
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156 scope.clear_variable (name); |
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157 scope.mark_global (name); |
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158 symtab.assign (name, val); |
604 | 159 } |
160 else | |
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161 scope.assign (name, val); |
604 | 162 } |
163 | |
3019 | 164 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 165 |
3013 | 166 static bool |
3769 | 167 matches_patterns (const string_vector& patterns, int pat_idx, |
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168 int num_pat, const std::string& name) |
604 | 169 { |
1755 | 170 for (int i = pat_idx; i < num_pat; i++) |
604 | 171 { |
1792 | 172 glob_match pattern (patterns[i]); |
3013 | 173 |
1792 | 174 if (pattern.match (name)) |
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175 return true; |
604 | 176 } |
3688 | 177 |
3013 | 178 return false; |
604 | 179 } |
180 | |
4329 | 181 int |
3523 | 182 read_binary_file_header (std::istream& is, bool& swap, |
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183 octave::mach_info::float_format& flt_fmt, bool quiet) |
604 | 184 { |
3552 | 185 const int magic_len = 10; |
186 char magic[magic_len+1]; | |
5760 | 187 is.read (magic, magic_len); |
604 | 188 magic[magic_len] = '\0'; |
3688 | 189 |
604 | 190 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
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191 swap = octave::mach_info::words_big_endian (); |
604 | 192 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
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193 swap = ! octave::mach_info::words_big_endian (); |
604 | 194 else |
195 { | |
196 if (! quiet) | |
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197 error ("load: unable to read binary file"); |
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198 |
604 | 199 return -1; |
200 } | |
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201 |
604 | 202 char tmp = 0; |
5760 | 203 is.read (&tmp, 1); |
604 | 204 |
2318 | 205 flt_fmt = mopt_digit_to_float_format (tmp); |
206 | |
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207 if (flt_fmt == octave::mach_info::flt_fmt_unknown) |
604 | 208 { |
209 if (! quiet) | |
210 error ("load: unrecognized binary format!"); | |
3688 | 211 |
604 | 212 return -1; |
213 } | |
214 | |
215 return 0; | |
216 } | |
217 | |
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218 #if defined (HAVE_ZLIB) |
5269 | 219 static bool |
220 check_gzip_magic (const std::string& fname) | |
221 { | |
222 bool retval = false; | |
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223 |
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224 std::ifstream file (fname.c_str (), std::ios::in | std::ios::binary); |
5269 | 225 |
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226 unsigned char magic[2]; |
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227 if (file.read (reinterpret_cast<char *> (&magic[0]), 2) |
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228 && magic[0] == 0x1f && magic[1] == 0x8b) |
5269 | 229 retval = true; |
230 | |
231 file.close (); | |
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232 |
5269 | 233 return retval; |
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234 } |
5269 | 235 #endif |
236 | |
604 | 237 static load_save_format |
6625 | 238 get_file_format (std::istream& file, const std::string& filename) |
604 | 239 { |
240 load_save_format retval = LS_UNKNOWN; | |
241 | |
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242 octave::mach_info::float_format flt_fmt = octave::mach_info::flt_fmt_unknown; |
604 | 243 |
3019 | 244 bool swap = false; |
245 | |
246 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 247 retval = LS_BINARY; |
248 else | |
249 { | |
6202 | 250 file.clear (); |
3538 | 251 file.seekg (0, std::ios::beg); |
604 | 252 |
5828 | 253 int32_t mopt, nr, nc, imag, len; |
1180 | 254 |
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255 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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256 true); |
1180 | 257 |
258 if (! err) | |
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259 retval = LS_MAT_BINARY; |
604 | 260 else |
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261 { |
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262 file.clear (); |
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263 file.seekg (0, std::ios::beg); |
604 | 264 |
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265 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 266 |
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267 if (! err) |
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268 { |
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269 file.clear (); |
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270 file.seekg (0, std::ios::beg); |
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271 retval = LS_MAT5_BINARY; |
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272 } |
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273 else |
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274 { |
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275 file.clear (); |
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276 file.seekg (0, std::ios::beg); |
3688 | 277 |
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278 std::string name_val = extract_keyword (file, "name"); |
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279 std::string type_val = extract_keyword (file, "type"); |
4171 | 280 |
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281 if (name_val.empty () != true && type_val.empty () != true) |
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282 retval = LS_TEXT; |
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283 else |
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284 { |
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285 file.clear (); |
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286 file.seekg (0, std::ios::beg); |
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287 |
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288 // FIXME: looks_like_mat_ascii_file does not check to see |
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289 // whether the file contains numbers. It just skips comments |
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290 // and checks for the same number of words on each line. We |
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291 // may need a better check here. The best way to do that |
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292 // might be just to try to read the file and see if it works. |
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293 |
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294 if (looks_like_mat_ascii_file (file, filename)) |
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295 retval = LS_MAT_ASCII; |
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296 } |
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297 } |
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298 } |
604 | 299 } |
300 | |
5269 | 301 return retval; |
302 } | |
5977 | 303 |
5269 | 304 static load_save_format |
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305 get_file_format (const std::string& fname, const std::string& orig_fname, |
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306 bool& use_zlib, bool quiet = false) |
5269 | 307 { |
308 load_save_format retval = LS_UNKNOWN; | |
309 | |
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310 #if defined (HAVE_HDF5) |
5269 | 311 // check this before we open the file |
312 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
313 return LS_HDF5; | |
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314 #endif |
604 | 315 |
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316 #if defined (HAVE_ZLIB) |
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317 use_zlib = check_gzip_magic (fname); |
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318 #else |
5269 | 319 use_zlib = false; |
5977 | 320 #endif |
5269 | 321 |
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322 if (! use_zlib) |
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323 { |
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324 std::ifstream file (fname.c_str (), std::ios::in | std::ios::binary); |
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325 if (file) |
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326 { |
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327 retval = get_file_format (file, orig_fname); |
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328 file.close (); |
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329 } |
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330 else if (! quiet) |
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331 err_file_open ("load", orig_fname); |
5269 | 332 } |
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333 #if defined (HAVE_ZLIB) |
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334 else |
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335 { |
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336 gzifstream gzfile (fname.c_str (), std::ios::in | std::ios::binary); |
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337 if (gzfile) |
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338 { |
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339 retval = get_file_format (gzfile, orig_fname); |
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340 gzfile.close (); |
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341 } |
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342 else if (! quiet) |
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343 err_file_open ("load", orig_fname); |
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344 } |
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345 #endif |
604 | 346 |
347 return retval; | |
348 } | |
349 | |
4329 | 350 octave_value |
7336 | 351 do_load (std::istream& stream, const std::string& orig_fname, |
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352 load_save_format format, octave::mach_info::float_format flt_fmt, |
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353 bool list_only, bool swap, bool verbose, |
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354 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 355 { |
3727 | 356 octave_value retval; |
357 | |
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358 octave_scalar_map retstruct; |
604 | 359 |
5765 | 360 std::ostringstream output_buf; |
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361 std::list<std::string> symbol_names; |
4051 | 362 |
5754 | 363 octave_idx_type count = 0; |
4051 | 364 |
604 | 365 for (;;) |
366 { | |
3019 | 367 bool global = false; |
2086 | 368 octave_value tc; |
604 | 369 |
4171 | 370 std::string name; |
371 std::string doc; | |
604 | 372 |
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373 switch (format.type) |
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374 { |
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375 case LS_TEXT: |
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376 name = read_text_data (stream, orig_fname, global, tc, count); |
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377 break; |
604 | 378 |
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379 case LS_BINARY: |
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380 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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381 global, tc, doc); |
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382 break; |
604 | 383 |
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384 case LS_MAT_ASCII: |
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385 name = read_mat_ascii_data (stream, orig_fname, tc); |
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386 break; |
2511 | 387 |
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388 case LS_MAT_BINARY: |
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389 name = read_mat_binary_data (stream, orig_fname, tc); |
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390 break; |
604 | 391 |
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392 #if defined (HAVE_HDF5) |
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393 case LS_HDF5: |
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394 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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395 argv, argv_idx, argc); |
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396 break; |
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397 #endif |
3687 | 398 |
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399 case LS_MAT5_BINARY: |
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400 case LS_MAT7_BINARY: |
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401 name = read_mat5_binary_element (stream, orig_fname, swap, |
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402 global, tc); |
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403 break; |
3688 | 404 |
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405 default: |
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406 err_unrecognized_data_fmt ("load"); |
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407 break; |
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408 } |
604 | 409 |
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410 if (stream.eof () || name.empty ()) |
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411 break; |
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412 else |
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413 { |
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414 if (! tc.is_defined ()) |
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415 error ("load: unable to load variable '%s'", name.c_str ()); |
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416 |
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417 if (format == LS_MAT_ASCII && argv_idx < argc) |
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418 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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419 orig_fname.c_str ()); |
3136 | 420 |
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421 if (format == LS_MAT_ASCII |
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422 || argv_idx == argc |
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423 || matches_patterns (argv, argv_idx, argc, name)) |
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424 { |
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425 count++; |
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426 if (list_only) |
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427 { |
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428 if (verbose) |
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429 { |
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430 if (count == 1) |
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431 output_buf |
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432 << "type rows cols name\n" |
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433 << "==== ==== ==== ====\n"; |
621 | 434 |
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435 output_buf |
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436 << std::setiosflags (std::ios::left) |
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437 << std::setw (16) << tc.type_name ().c_str () |
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438 << std::setiosflags (std::ios::right) |
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439 << std::setw (7) << tc.rows () |
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440 << std::setw (7) << tc.columns () |
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441 << " " << name << "\n"; |
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442 } |
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443 else |
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444 symbol_names.push_back (name); |
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445 } |
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446 else |
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447 { |
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448 if (nargout == 1) |
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449 { |
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450 if (format == LS_MAT_ASCII) |
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451 retval = tc; |
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452 else |
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453 retstruct.assign (name, tc); |
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454 } |
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455 else |
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456 install_loaded_variable (name, tc, global, doc); |
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457 } |
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458 } |
2511 | 459 |
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460 // Only attempt to read one item from a headless text file. |
2511 | 461 |
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462 if (format == LS_MAT_ASCII) |
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463 break; |
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464 } |
604 | 465 } |
466 | |
621 | 467 if (list_only && count) |
468 { | |
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469 if (verbose) |
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470 { |
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471 std::string msg = output_buf.str (); |
2095 | 472 |
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473 if (nargout > 0) |
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474 retval = msg; |
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475 else |
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476 octave_stdout << msg; |
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477 } |
621 | 478 else |
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479 { |
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480 if (nargout > 0) |
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481 retval = Cell (string_vector (symbol_names)); |
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482 else |
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483 { |
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484 string_vector names (symbol_names); |
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485 |
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486 names.list_in_columns (octave_stdout); |
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487 |
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488 octave_stdout << "\n"; |
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489 } |
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490 } |
621 | 491 } |
6639 | 492 else if (retstruct.nfields () != 0) |
3727 | 493 retval = retstruct; |
621 | 494 |
863 | 495 return retval; |
496 } | |
497 | |
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498 static std::string |
6159 | 499 find_file_to_load (const std::string& name, const std::string& orig_name) |
500 { | |
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501 std::string fname = find_data_file_in_load_path ("load", name, true); |
6159 | 502 |
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503 size_t dot_pos = fname.rfind ('.'); |
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504 size_t sep_pos = fname.find_last_of (octave::sys::file_ops::dir_sep_chars ()); |
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505 |
8021 | 506 if (dot_pos == std::string::npos |
507 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 508 { |
6838 | 509 // Either no '.' in name or no '.' appears after last directory |
510 // separator. | |
511 | |
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512 octave::sys::file_stat fs (fname); |
6159 | 513 |
6584 | 514 if (! (fs.exists () && fs.is_reg ())) |
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515 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 516 } |
517 else | |
518 { | |
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519 octave::sys::file_stat fs (fname); |
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520 |
6584 | 521 if (! (fs.exists () && fs.is_reg ())) |
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522 { |
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523 fname = ""; |
6159 | 524 |
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525 error ("load: unable to find file %s", orig_name.c_str ()); |
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526 } |
6159 | 527 } |
528 | |
529 return fname; | |
530 } | |
531 | |
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532 bool |
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533 is_octave_data_file (const std::string& fname) |
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534 { |
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535 bool use_zlib = false; |
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536 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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537 } |
6159 | 538 |
8746
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539 DEFUN (load, args, nargout, |
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540 doc: /* -*- texinfo -*- |
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541 @deftypefn {} {} load file |
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542 @deftypefnx {} {} load options file |
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543 @deftypefnx {} {} load options file v1 v2 @dots{} |
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544 @deftypefnx {} {S =} load ("options", "file", "v1", "v2", @dots{}) |
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545 @deftypefnx {} {} load file options |
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546 @deftypefnx {} {} load file options v1 v2 @dots{} |
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547 @deftypefnx {} {S =} load ("file", "options", "v1", "v2", @dots{}) |
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548 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file |
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549 @var{file}. |
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550 |
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551 If no variables are specified then all variables found in the |
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552 file will be loaded. As with @code{save}, the list of variables to extract |
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553 can be full names or use a pattern syntax. The format of the file is |
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554 automatically detected but may be overridden by supplying the appropriate |
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555 option. |
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556 |
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557 If load is invoked using the functional form |
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558 |
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559 @example |
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560 load ("-option1", @dots{}, "file", "v1", @dots{}) |
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561 @end example |
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562 |
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563 @noindent |
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564 then the @var{options}, @var{file}, and variable name arguments |
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565 (@var{v1}, @dots{}) must be specified as character strings. |
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566 |
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567 If a variable that is not marked as global is loaded from a file when a |
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568 global symbol with the same name already exists, it is loaded in the |
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569 global symbol table. Also, if a variable is marked as global in a file |
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570 and a local symbol exists, the local symbol is moved to the global |
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571 symbol table and given the value from the file. |
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572 |
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573 If invoked with a single output argument, Octave returns data instead |
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574 of inserting variables in the symbol table. If the data file contains |
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575 only numbers (TAB- or space-delimited columns), a matrix of values is |
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576 returned. Otherwise, @code{load} returns a structure with members |
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577 corresponding to the names of the variables in the file. |
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578 |
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579 The @code{load} command can read data stored in Octave's text and |
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580 binary formats, and @sc{matlab}'s binary format. If compiled with zlib |
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581 support, it can also load gzip-compressed files. It will automatically |
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582 detect the type of file and do conversion from different floating point |
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583 formats (currently only IEEE big and little endian, though other formats |
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584 may be added in the future). |
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585 |
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586 Valid options for @code{load} are listed in the following table. |
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587 |
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588 @table @code |
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589 @item -force |
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590 This option is accepted for backward compatibility but is ignored. |
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591 Octave now overwrites variables currently in memory with |
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592 those of the same name found in the file. |
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593 |
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594 @item -ascii |
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595 Force Octave to assume the file contains columns of numbers in text format |
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596 without any header or other information. Data in the file will be loaded |
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597 as a single numeric matrix with the name of the variable derived from the |
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598 name of the file. |
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599 |
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600 @item -binary |
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601 Force Octave to assume the file is in Octave's binary format. |
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602 |
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603 @item -hdf5 |
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604 Force Octave to assume the file is in @sc{hdf5} format. |
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605 (@sc{hdf5} is a free, portable binary format developed by the National |
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606 Center for Supercomputing Applications at the University of Illinois.) |
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607 Note that Octave can read @sc{hdf5} files not created by itself, but may |
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608 skip some datasets in formats that it cannot support. This format is |
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609 only available if Octave was built with a link to the @sc{hdf5} libraries. |
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610 |
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611 @item -import |
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612 This option is accepted for backward compatibility but is ignored. |
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613 Octave can now support multi-dimensional HDF data and automatically |
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614 modifies variable names if they are invalid Octave identifiers. |
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615 |
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616 @item -mat |
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617 @itemx -mat-binary |
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618 @itemx -6 |
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619 @itemx -v6 |
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620 @itemx -7 |
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621 @itemx -v7 |
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622 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary |
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623 format. |
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624 |
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625 @item -mat4-binary |
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626 @itemx -4 |
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627 @itemx -v4 |
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628 @itemx -V4 |
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629 Force Octave to assume the file is in the binary format written by |
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630 @sc{matlab} version 4. |
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631 |
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632 @item -text |
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633 Force Octave to assume the file is in Octave's text format. |
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634 @end table |
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635 @seealso{save, dlmwrite, csvwrite, fwrite} |
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636 @end deftypefn */) |
863 | 637 { |
2086 | 638 octave_value_list retval; |
863 | 639 |
1755 | 640 int argc = args.length () + 1; |
641 | |
1968 | 642 string_vector argv = args.make_argv ("load"); |
1755 | 643 |
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644 int i = 1; |
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645 std::string orig_fname = ""; |
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646 |
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647 // Function called with Matlab-style ["filename", options] syntax |
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648 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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649 { |
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650 orig_fname = argv[1]; |
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651 i++; |
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652 } |
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653 |
1358 | 654 // It isn't necessary to have the default load format stored in a |
655 // user preference variable since we can determine the type of file | |
656 // as we are reading. | |
863 | 657 |
658 load_save_format format = LS_UNKNOWN; | |
659 | |
3019 | 660 bool list_only = false; |
661 bool verbose = false; | |
863 | 662 |
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663 for (; i < argc; i++) |
863 | 664 { |
1755 | 665 if (argv[i] == "-force" || argv[i] == "-f") |
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666 { |
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667 // Silently ignore this |
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668 // warning ("load: -force ignored"); |
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669 } |
1755 | 670 else if (argv[i] == "-list" || argv[i] == "-l") |
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671 { |
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672 list_only = true; |
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673 } |
1755 | 674 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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675 { |
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676 verbose = true; |
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677 } |
1755 | 678 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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679 { |
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680 format = LS_MAT_ASCII; |
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681 } |
1755 | 682 else if (argv[i] == "-binary" || argv[i] == "-b") |
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683 { |
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684 format = LS_BINARY; |
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685 } |
5269 | 686 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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687 || argv[i] == "-6" || argv[i] == "-v6") |
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688 { |
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689 format = LS_MAT5_BINARY; |
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690 } |
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691 else if (argv[i] == "-7" || argv[i] == "-v7") |
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692 { |
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693 format = LS_MAT7_BINARY; |
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694 } |
5256 | 695 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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696 || argv[i] == "-v4" || argv[i] == "-4") |
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697 { |
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698 format = LS_MAT_BINARY; |
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699 } |
3687 | 700 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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701 { |
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702 #if defined (HAVE_HDF5) |
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703 format = LS_HDF5; |
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704 #else |
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705 err_disabled_feature ("load", "HDF5"); |
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706 #endif |
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707 } |
3687 | 708 else if (argv[i] == "-import" || argv[i] == "-i") |
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709 { |
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710 warning ("load: -import ignored"); |
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711 } |
5197 | 712 else if (argv[i] == "-text" || argv[i] == "-t") |
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713 { |
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714 format = LS_TEXT; |
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715 } |
863 | 716 else |
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717 break; |
863 | 718 } |
719 | |
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720 if (orig_fname == "") |
863 | 721 { |
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722 if (i == argc) |
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723 print_usage (); |
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724 |
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725 orig_fname = argv[i]; |
863 | 726 } |
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727 else |
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728 i--; |
863 | 729 |
21739
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730 octave::mach_info::float_format flt_fmt = octave::mach_info::flt_fmt_unknown; |
863 | 731 |
3019 | 732 bool swap = false; |
863 | 733 |
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734 if (orig_fname == "-") |
863 | 735 { |
1755 | 736 i++; |
863 | 737 |
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738 #if defined (HAVE_HDF5) |
3687 | 739 if (format == LS_HDF5) |
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740 error ("load: cannot read HDF5 format from stdin"); |
3687 | 741 else |
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742 #endif |
863 | 743 if (format != LS_UNKNOWN) |
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744 { |
17861
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745 // FIXME: if we have already seen EOF on a previous call, |
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746 // how do we fix up the state of std::cin so that we can get |
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747 // additional input? I'm afraid that we can't fix this |
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748 // using std::cin only. |
3531 | 749 |
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750 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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751 list_only, swap, verbose, argv, i, argc, |
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752 nargout); |
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753 } |
863 | 754 else |
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755 error ("load: must specify file format if reading from stdin"); |
863 | 756 } |
757 else | |
758 { | |
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759 std::string fname = octave::sys::file_ops::tilde_expand (orig_fname); |
6159 | 760 |
761 fname = find_file_to_load (fname, orig_fname); | |
863 | 762 |
6159 | 763 bool use_zlib = false; |
5089 | 764 |
863 | 765 if (format == LS_UNKNOWN) |
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766 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 767 |
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768 #if defined (HAVE_HDF5) |
3687 | 769 if (format == LS_HDF5) |
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770 { |
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771 i++; |
3687 | 772 |
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773 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 774 |
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775 if (hdf5_file.file_id < 0) |
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776 err_file_open ("load", orig_fname); |
4844 | 777 |
21118
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778 retval = do_load (hdf5_file, orig_fname, format, |
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779 flt_fmt, list_only, swap, verbose, |
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780 argv, i, argc, nargout); |
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781 |
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782 hdf5_file.close (); |
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783 } |
3687 | 784 else |
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785 #endif |
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786 // don't insert any statements here; the "else" above has to |
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787 // go with the "if" below!!!!! |
863 | 788 if (format != LS_UNKNOWN) |
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789 { |
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790 i++; |
863 | 791 |
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792 // Always open in binary mode and handle various |
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793 // line-endings explicitly. |
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794 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 795 |
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796 #if defined (HAVE_ZLIB) |
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797 if (use_zlib) |
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798 { |
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799 gzifstream file (fname.c_str (), mode); |
863 | 800 |
21118
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801 if (! file) |
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802 err_file_open ("load", orig_fname); |
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803 |
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804 if (format == LS_BINARY) |
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805 { |
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806 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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807 { |
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808 if (file) file.close (); |
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809 return retval; |
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810 } |
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811 } |
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|
812 else if (format == LS_MAT5_BINARY |
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813 || format == LS_MAT7_BINARY) |
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814 { |
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|
815 if (read_mat5_binary_file_header (file, swap, false, |
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816 orig_fname) < 0) |
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817 { |
21118
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818 if (file) file.close (); |
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819 return retval; |
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820 } |
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821 } |
5269 | 822 |
21118
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|
823 retval = do_load (file, orig_fname, format, |
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824 flt_fmt, list_only, swap, verbose, |
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825 argv, i, argc, nargout); |
5269 | 826 |
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827 file.close (); |
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828 } |
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829 else |
5269 | 830 #endif |
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831 { |
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832 std::ifstream file (fname.c_str (), mode); |
5269 | 833 |
20962
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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20956
diff
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|
834 if (! file) |
15466
d174210ce1ec
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835 error ("load: unable to open input file '%s'", |
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836 orig_fname.c_str ()); |
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|
837 |
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838 if (format == LS_BINARY) |
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839 { |
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840 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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841 { |
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|
842 if (file) file.close (); |
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843 return retval; |
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844 } |
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845 } |
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846 else if (format == LS_MAT5_BINARY |
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847 || format == LS_MAT7_BINARY) |
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848 { |
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|
849 if (read_mat5_binary_file_header (file, swap, false, |
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850 orig_fname) < 0) |
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851 { |
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|
852 if (file) file.close (); |
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|
853 return retval; |
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|
854 } |
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|
855 } |
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|
856 |
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|
857 retval = do_load (file, orig_fname, format, |
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|
858 flt_fmt, list_only, swap, verbose, |
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|
859 argv, i, argc, nargout); |
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|
860 |
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|
861 file.close (); |
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|
862 } |
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863 } |
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|
864 else |
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maint: Eliminate more useless statements after error().
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|
865 error ("load: unable to determine file format of '%s'", |
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|
866 orig_fname.c_str ()); |
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867 |
863 | 868 } |
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869 |
604 | 870 return retval; |
871 } | |
872 | |
3019 | 873 // Return TRUE if PATTERN has any special globbing chars in it. |
874 | |
875 static bool | |
3523 | 876 glob_pattern_p (const std::string& pattern) |
604 | 877 { |
878 int open = 0; | |
879 | |
1755 | 880 int len = pattern.length (); |
881 | |
882 for (int i = 0; i < len; i++) | |
604 | 883 { |
1755 | 884 char c = pattern[i]; |
885 | |
604 | 886 switch (c) |
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887 { |
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888 case '?': |
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889 case '*': |
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890 return true; |
604 | 891 |
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892 case '[': // Only accept an open brace if there is a close |
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893 open++; // brace to match it. Bracket expressions must be |
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894 continue; // complete, according to Posix.2 |
604 | 895 |
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896 case ']': |
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897 if (open) |
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898 return true; |
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899 continue; |
4402 | 900 |
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901 case '\\': |
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902 if (i == len - 1) |
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903 return false; |
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904 continue; |
604 | 905 |
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906 default: |
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907 continue; |
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908 } |
604 | 909 } |
910 | |
3019 | 911 return false; |
604 | 912 } |
913 | |
4791 | 914 static void |
915 do_save (std::ostream& os, const octave_value& tc, | |
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916 const std::string& name, const std::string& help, |
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917 bool global, load_save_format fmt, bool save_as_floats) |
604 | 918 { |
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919 switch (fmt.type) |
604 | 920 { |
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diff
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921 case LS_TEXT: |
c6224b4e7774
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922 save_text_data (os, tc, name, global, 0); |
604 | 923 break; |
924 | |
925 case LS_BINARY: | |
630 | 926 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 927 break; |
928 | |
5938 | 929 case LS_MAT_ASCII: |
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930 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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931 fmt.opts & LS_MAT_ASCII_TABS)) |
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932 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 933 break; |
934 | |
667 | 935 case LS_MAT_BINARY: |
936 save_mat_binary_data (os, tc, name); | |
937 break; | |
938 | |
21724
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|
939 #if defined (HAVE_HDF5) |
3687 | 940 case LS_HDF5: |
941 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
942 break; | |
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|
943 #endif |
3687 | 944 |
3688 | 945 case LS_MAT5_BINARY: |
5269 | 946 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
947 break; | |
948 | |
949 case LS_MAT7_BINARY: | |
950 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 951 break; |
952 | |
604 | 953 default: |
21100
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Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
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diff
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|
954 err_unrecognized_data_fmt ("save"); |
604 | 955 break; |
956 } | |
957 } | |
958 | |
4791 | 959 // Save the info from SR on stream OS in the format specified by FMT. |
960 | |
961 void | |
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|
962 do_save (std::ostream& os, const octave::symbol_record& sr, |
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963 octave::symbol_record::context_id context, |
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964 load_save_format fmt, bool save_as_floats) |
4791 | 965 { |
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966 octave_value val = sr.varval (context); |
4791 | 967 |
7336 | 968 if (val.is_defined ()) |
4791 | 969 { |
7336 | 970 std::string name = sr.name (); |
971 std::string help; | |
972 bool global = sr.is_global (); | |
4791 | 973 |
7336 | 974 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 975 } |
976 } | |
977 | |
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978 // save fields of a scalar structure STR matching PATTERN on stream OS |
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979 // in the format specified by FMT. |
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980 |
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981 static size_t |
11059
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982 save_fields (std::ostream& os, const octave_scalar_map& m, |
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983 const std::string& pattern, |
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984 load_save_format fmt, bool save_as_floats) |
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985 { |
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986 glob_match pat (pattern); |
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987 |
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988 size_t saved = 0; |
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989 |
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990 for (octave_scalar_map::const_iterator it = m.begin (); it != m.end (); it++) |
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991 { |
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992 std::string empty_str; |
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993 |
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|
994 if (pat.match (m.key (it))) |
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995 { |
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996 do_save (os, m.contents (it), m.key (it), empty_str, |
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997 0, fmt, save_as_floats); |
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998 |
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999 saved++; |
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1000 } |
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1001 } |
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1002 |
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1003 return saved; |
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1004 } |
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1005 |
604 | 1006 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1007 // format specified by FMT. |
604 | 1008 |
7336 | 1009 static size_t |
5794 | 1010 save_vars (std::ostream& os, const std::string& pattern, |
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1011 load_save_format fmt, bool save_as_floats) |
604 | 1012 { |
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1013 octave::symbol_scope scope = octave::__require_current_scope__ ("save_vars"); |
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1014 |
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1015 octave::symbol_record::context_id context = scope.current_context (); |
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1016 |
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1017 std::list<octave::symbol_record> vars = scope.glob (pattern); |
7336 | 1018 |
1019 size_t saved = 0; | |
3355 | 1020 |
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1021 for (const auto& var : vars) |
620 | 1022 { |
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1023 do_save (os, var, context, fmt, save_as_floats); |
620 | 1024 |
7336 | 1025 saved++; |
620 | 1026 } |
604 | 1027 |
1028 return saved; | |
1029 } | |
1030 | |
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1031 static string_vector |
23433
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23432
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|
1032 parse_save_options (const string_vector& argv, |
c9fab0bc983e
maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents:
23432
diff
changeset
|
1033 load_save_format& format, bool& append, |
c9fab0bc983e
maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents:
23432
diff
changeset
|
1034 bool& save_as_floats, bool& use_zlib) |
604 | 1035 { |
21691
263d18409fdf
Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents:
21568
diff
changeset
|
1036 #if ! defined (HAVE_ZLIB) |
263d18409fdf
Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents:
21568
diff
changeset
|
1037 octave_unused_parameter (use_zlib); |
263d18409fdf
Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents:
21568
diff
changeset
|
1038 #endif |
263d18409fdf
Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents:
21568
diff
changeset
|
1039 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1040 string_vector retval; |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20172
diff
changeset
|
1041 int argc = argv.numel (); |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1042 |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17861
diff
changeset
|
1043 bool do_double = false; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17861
diff
changeset
|
1044 bool do_tabs = false; |
8418
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
parents:
8377
diff
changeset
|
1045 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1046 for (int i = 0; i < argc; i++) |
5284 | 1047 { |
1048 if (argv[i] == "-append") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1049 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1050 append = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1051 } |
5284 | 1052 else if (argv[i] == "-ascii" || argv[i] == "-a") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1053 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1054 format = LS_MAT_ASCII; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1055 } |
8418
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
parents:
8377
diff
changeset
|
1056 else if (argv[i] == "-double") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1057 { |
57a59eae83cc
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diff
changeset
|
1058 do_double = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1059 } |
8425
2e777f5135a3
support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents:
8418
diff
changeset
|
1060 else if (argv[i] == "-tabs") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1061 { |
57a59eae83cc
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diff
changeset
|
1062 do_tabs = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1063 } |
5284 | 1064 else if (argv[i] == "-text" || argv[i] == "-t") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1065 { |
20447
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20443
diff
changeset
|
1066 format = LS_TEXT; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1067 } |
5284 | 1068 else if (argv[i] == "-binary" || argv[i] == "-b") |
10315
57a59eae83cc
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parents:
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changeset
|
1069 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1070 format = LS_BINARY; |
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John W. Eaton <jwe@octave.org>
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changeset
|
1071 } |
5284 | 1072 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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|
1073 { |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1074 #if defined (HAVE_HDF5) |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1075 format = LS_HDF5; |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1076 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21102
diff
changeset
|
1077 err_disabled_feature ("save", "HDF5"); |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1078 #endif |
10315
57a59eae83cc
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changeset
|
1079 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1080 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1081 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1082 || argv[i] == "-V6") |
57a59eae83cc
untabify src C++ source files
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changeset
|
1083 { |
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changeset
|
1084 format = LS_MAT5_BINARY; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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|
1085 } |
21724
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use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1086 #if defined (HAVE_ZLIB) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1087 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1088 || argv[i] == "-v7" || argv[i] == "-V7") |
57a59eae83cc
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|
1089 { |
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changeset
|
1090 format = LS_MAT7_BINARY; |
57a59eae83cc
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changeset
|
1091 } |
5284 | 1092 #endif |
1093 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
10315
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changeset
|
1094 || argv[i] == "-v4" || argv[i] == "-4") |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1095 { |
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changeset
|
1096 format = LS_MAT_BINARY; |
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diff
changeset
|
1097 } |
5284 | 1098 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
10315
57a59eae83cc
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diff
changeset
|
1099 { |
57a59eae83cc
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|
1100 format = LS_BINARY; |
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changeset
|
1101 save_as_floats = true; |
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|
1102 } |
5284 | 1103 else if (argv[i] == "-float-hdf5") |
10315
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|
1104 { |
21724
aba2e6293dd8
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John W. Eaton <jwe@octave.org>
parents:
21691
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changeset
|
1105 #if defined (HAVE_HDF5) |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1106 format = LS_HDF5; |
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John W. Eaton <jwe@octave.org>
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changeset
|
1107 save_as_floats = true; |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1108 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21102
diff
changeset
|
1109 err_disabled_feature ("save", "HDF5"); |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1110 #endif |
10315
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changeset
|
1111 } |
21724
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use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1112 #if defined (HAVE_ZLIB) |
5284 | 1113 else if (argv[i] == "-zip" || argv[i] == "-z") |
10315
57a59eae83cc
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changeset
|
1114 { |
21568
3d60ed163b70
maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
1115 use_zlib = true; |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1116 } |
5284 | 1117 #endif |
15571
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1118 else if (argv[i] == "-struct") |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1119 { |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1120 retval.append (argv[i]); |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1121 } |
18442
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
Mike Miller <mtmiller@ieee.org>
parents:
17861
diff
changeset
|
1122 else if (argv[i][0] == '-' && argv[i] != "-") |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
1123 { |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
1124 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
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changeset
|
1125 } |
5284 | 1126 else |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
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changeset
|
1127 retval.append (argv[i]); |
5284 | 1128 } |
1129 | |
8418
679c22082ac7
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John W. Eaton <jwe@octave.org>
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changeset
|
1130 if (do_double) |
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1131 { |
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
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changeset
|
1132 if (format == LS_MAT_ASCII) |
10315
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changeset
|
1133 format.opts |= LS_MAT_ASCII_LONG; |
8418
679c22082ac7
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1134 else |
23803
90689bdbe048
Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents:
23800
diff
changeset
|
1135 warning (R"(save: "-double" option only has an effect with "-ascii")"); |
8418
679c22082ac7
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John W. Eaton <jwe@octave.org>
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changeset
|
1136 } |
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
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changeset
|
1137 |
8425
2e777f5135a3
support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1138 if (do_tabs) |
2e777f5135a3
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diff
changeset
|
1139 { |
2e777f5135a3
support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1140 if (format == LS_MAT_ASCII) |
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|
1141 format.opts |= LS_MAT_ASCII_TABS; |
8425
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diff
changeset
|
1142 else |
23803
90689bdbe048
Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents:
23800
diff
changeset
|
1143 warning (R"(save: "-tabs" option only has an effect with "-ascii")"); |
8425
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Jaroslav Hajek <highegg@gmail.com>
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|
1144 } |
2e777f5135a3
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Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1145 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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changeset
|
1146 return retval; |
5284 | 1147 } |
1148 | |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1149 static string_vector |
23433
c9fab0bc983e
maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents:
23432
diff
changeset
|
1150 parse_save_options (const std::string& arg, load_save_format& format, |
c9fab0bc983e
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Rik <rik@octave.org>
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23432
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changeset
|
1151 bool& append, bool& save_as_floats, bool& use_zlib) |
5284 | 1152 { |
5765 | 1153 std::istringstream is (arg); |
5284 | 1154 std::string str; |
1155 string_vector argv; | |
11586
12df7854fa7c
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diff
changeset
|
1156 |
5765 | 1157 while (! is.eof ()) |
5284 | 1158 { |
1159 is >> str; | |
1160 argv.append (str); | |
1161 } | |
1162 | |
20996 | 1163 return parse_save_options (argv, format, append, save_as_floats, use_zlib); |
604 | 1164 } |
1165 | |
4329 | 1166 void |
3523 | 1167 write_header (std::ostream& os, load_save_format format) |
863 | 1168 { |
8425
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support -tabs option for save -ascii
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changeset
|
1169 switch (format.type) |
863 | 1170 { |
3185 | 1171 case LS_BINARY: |
1172 { | |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
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changeset
|
1173 os << (octave::mach_info::words_big_endian () |
10315
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1174 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1175 |
21739
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changeset
|
1176 octave::mach_info::float_format flt_fmt = |
c4ab2e54f100
use namespace for oct_mach_info class
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|
1177 octave::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 |
10315
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changeset
|
1181 os.write (&tmp, 1); |
3185 | 1182 } |
3688 | 1183 break; |
1184 | |
1185 case LS_MAT5_BINARY: | |
5269 | 1186 case LS_MAT7_BINARY: |
3688 | 1187 { |
23432
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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 char headertext[128]; |
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1191 octave::sys::gmtime now; |
3688 | 1192 |
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1193 // ISO 8601 format date |
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1194 const char *matlab_format = "MATLAB 5.0 MAT-file, written by Octave " |
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1195 OCTAVE_VERSION ", %Y-%m-%d %T UTC"; |
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1196 std::string comment_string = now.strftime (matlab_format); |
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|
1197 |
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1198 size_t len = std::min (comment_string.length (), static_cast<size_t> (124)); |
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1199 memset (headertext, ' ', 124); |
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1200 memcpy (headertext, comment_string.data (), len); |
3688 | 1201 |
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1202 // The first pair of bytes give the version of the MAT file |
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1203 // format. The second pair of bytes form a magic number which |
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1204 // signals a MAT file. MAT file data are always written in |
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1205 // native byte order. The order of the bytes in the second |
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1206 // pair indicates whether the file was written by a big- or |
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1207 // little-endian machine. However, the version number is |
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1208 // written in the *opposite* byte order from everything else! |
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1209 if (number == 1) |
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1210 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1211 else |
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1212 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1213 |
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1214 memcpy (headertext+124, versionmagic, 4); |
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1215 os.write (headertext, 128); |
3688 | 1216 } |
1217 | |
1218 break; | |
3185 | 1219 |
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1220 #if defined (HAVE_HDF5) |
3687 | 1221 case LS_HDF5: |
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1222 #endif |
20447
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Rik <rik@octave.org>
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1223 case LS_TEXT: |
3185 | 1224 { |
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1225 octave::sys::localtime now; |
3709 | 1226 |
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1227 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1228 |
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1229 if (! comment_string.empty ()) |
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1230 { |
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1231 #if defined (HAVE_HDF5) |
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1232 if (format == LS_HDF5) |
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1233 { |
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1234 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1235 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1236 } |
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1237 else |
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1238 #endif |
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1239 os << comment_string << "\n"; |
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1240 } |
3185 | 1241 } |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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1242 break; |
3185 | 1243 |
1244 default: | |
1245 break; | |
863 | 1246 } |
1247 } | |
1248 | |
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1249 void |
9c03b071fd7b
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|
1250 octave_prepare_hdf5 (void) |
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1251 { |
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1252 #if defined (HAVE_HDF5) |
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1253 H5dont_atexit (); |
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1254 #endif |
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1255 } |
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1256 |
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1257 void |
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1258 octave_finalize_hdf5 (void) |
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1259 { |
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1260 #if defined (HAVE_HDF5) |
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1261 H5close (); |
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1262 #endif |
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1263 } |
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1264 |
863 | 1265 static void |
3769 | 1266 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1267 std::ostream& os, load_save_format fmt, |
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|
1268 bool save_as_floats, bool write_header_info) |
863 | 1269 { |
3185 | 1270 if (write_header_info) |
1271 write_header (os, fmt); | |
863 | 1272 |
1755 | 1273 if (argv_idx == argc) |
863 | 1274 { |
5794 | 1275 save_vars (os, "*", fmt, save_as_floats); |
863 | 1276 } |
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1277 else if (argv[argv_idx] == "-struct") |
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1278 { |
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1279 if (++argv_idx >= argc) |
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1280 error ("save: missing struct name"); |
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1281 |
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1282 std::string struct_name = argv[argv_idx]; |
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1283 |
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|
1284 octave::symbol_scope scope = octave::__get_current_scope__ ("save_vars"); |
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1285 |
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1286 octave_value struct_var; |
23599
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1287 |
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1288 if (scope) |
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1289 { |
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|
1290 if (! scope.is_variable (struct_name)) |
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1291 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1292 |
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1293 struct_var = scope.varval (struct_name); |
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1294 } |
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1295 |
23584
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|
1296 if (! struct_var.isstruct () || struct_var.numel () != 1) |
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1297 error ("save: '%s' is not a scalar structure", struct_name.c_str ()); |
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1298 |
11059
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|
1299 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1300 |
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1301 ++argv_idx; |
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1302 |
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1303 if (argv_idx < argc) |
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1304 { |
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1305 for (int i = argv_idx; i < argc; i++) |
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1306 { |
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1307 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1308 save_as_floats)) |
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1309 { |
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1310 warning ("save: no such field '%s.%s'", |
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1311 struct_name.c_str (), argv[i].c_str ()); |
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1312 } |
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1313 } |
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1314 } |
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1315 else |
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1316 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1317 } |
863 | 1318 else |
1319 { | |
1755 | 1320 for (int i = argv_idx; i < argc; i++) |
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1321 { |
17349
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|
1322 if (argv[i] == "") |
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1323 continue; // Skip empty vars for Matlab compatibility |
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1324 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1325 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1326 } |
863 | 1327 } |
1328 } | |
1329 | |
5284 | 1330 static void |
1331 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1332 bool save_as_floats) |
4791 | 1333 { |
1334 write_header (os, fmt); | |
1335 | |
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1336 octave::symbol_table& symtab = |
078b795c5219
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|
1337 octave::__get_symbol_table__ ("dump_octave_core"); |
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5cb3a2bb5e1e
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|
1338 |
24361
8bcfddad15ec
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|
1339 octave::symbol_scope top_scope = symtab.top_scope (); |
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1340 |
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|
1341 octave::symbol_record::context_id context = top_scope.current_context (); |
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|
1342 |
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|
1343 std::list<octave::symbol_record> vars = top_scope.all_variables (); |
4791 | 1344 |
1345 double save_mem_size = 0; | |
1346 | |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
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|
1347 for (const auto& var : vars) |
4791 | 1348 { |
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|
1349 octave_value val = var.varval (context); |
4791 | 1350 |
7336 | 1351 if (val.is_defined ()) |
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|
1352 { |
22862
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|
1353 std::string name = var.name (); |
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|
1354 std::string help; |
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Rik <rik@octave.org>
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|
1355 bool global = var.is_global (); |
4791 | 1356 |
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|
1357 double val_size = val.byte_size () / 1024; |
4791 | 1358 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1359 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1360 |
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|
1361 if (Voctave_core_file_limit < 0 |
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|
1362 || save_mem_size + val_size < Voctave_core_file_limit) |
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|
1363 { |
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|
1364 save_mem_size += val_size; |
4791 | 1365 |
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|
1366 do_save (os, val, name, help, global, fmt, save_as_floats); |
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1367 } |
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|
1368 } |
4791 | 1369 } |
1370 | |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
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23777
diff
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|
1371 message (nullptr, "save to '%s' complete", fname); |
4791 | 1372 } |
1373 | |
1374 void | |
1375 dump_octave_core (void) | |
1380 | 1376 { |
3189 | 1377 if (Vcrash_dumps_octave_core) |
1380 | 1378 { |
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2469d78a1d8b
Consistently use 'filename' rather than 'file name' throughout code base.
Rik <rik@octave.org>
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20678
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|
1379 // FIXME: should choose better filename? |
3189 | 1380 |
4791 | 1381 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1382 |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
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diff
changeset
|
1383 message (nullptr, "attempting to save variables to '%s'...", fname); |
3189 | 1384 |
5284 | 1385 load_save_format format = LS_BINARY; |
1386 | |
1387 bool save_as_floats = false; | |
1388 | |
1389 bool append = false; | |
3189 | 1390 |
5284 | 1391 bool use_zlib = false; |
1392 | |
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12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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|
1393 parse_save_options (Voctave_core_file_options, format, append, |
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|
1394 save_as_floats, use_zlib); |
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John W. Eaton <jwe@octave.org>
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changeset
|
1395 |
5284 | 1396 std::ios::openmode mode = std::ios::out; |
4791 | 1397 |
6625 | 1398 // Matlab v7 files are always compressed |
1399 if (format == LS_MAT7_BINARY) | |
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|
1400 use_zlib = false; |
6625 | 1401 |
4791 | 1402 if (format == LS_BINARY |
21724
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use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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|
1403 #if defined (HAVE_HDF5) |
10315
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|
1404 || format == LS_HDF5 |
4791 | 1405 #endif |
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|
1406 || format == LS_MAT_BINARY |
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|
1407 || format == LS_MAT5_BINARY |
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|
1408 || format == LS_MAT7_BINARY) |
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changeset
|
1409 mode |= std::ios::binary; |
3189 | 1410 |
5284 | 1411 mode |= append ? std::ios::ate : std::ios::trunc; |
1412 | |
21724
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use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1413 #if defined (HAVE_HDF5) |
3687 | 1414 if (format == LS_HDF5) |
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|
1415 { |
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changeset
|
1416 hdf5_ofstream file (fname, mode); |
3687 | 1417 |
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|
1418 if (file.file_id >= 0) |
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|
1419 { |
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changeset
|
1420 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1421 |
10315
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|
1422 file.close (); |
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|
1423 } |
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|
1424 else |
20727
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
parents:
20713
diff
changeset
|
1425 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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20713
diff
changeset
|
1426 fname); |
10315
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untabify src C++ source files
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changeset
|
1427 } |
3189 | 1428 else |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
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20940
diff
changeset
|
1429 #endif |
10315
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|
1430 // don't insert any commands here! The open brace below must |
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1431 // go with the else above! |
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|
1432 { |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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21691
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|
1433 #if defined (HAVE_ZLIB) |
10315
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untabify src C++ source files
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diff
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|
1434 if (use_zlib) |
57a59eae83cc
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|
1435 { |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1436 gzofstream file (fname, mode); |
4791 | 1437 |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
1438 if (file) |
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diff
changeset
|
1439 { |
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diff
changeset
|
1440 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1441 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1442 file.close (); |
57a59eae83cc
untabify src C++ source files
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|
1443 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1444 else |
20727
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
parents:
20713
diff
changeset
|
1445 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
parents:
20713
diff
changeset
|
1446 fname); |
10315
57a59eae83cc
untabify src C++ source files
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|
1447 } |
57a59eae83cc
untabify src C++ source files
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changeset
|
1448 else |
5284 | 1449 #endif |
10315
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untabify src C++ source files
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|
1450 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1451 std::ofstream file (fname, mode); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
changeset
|
1452 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1453 if (file) |
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changeset
|
1454 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1455 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1456 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1457 file.close (); |
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changeset
|
1458 } |
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untabify src C++ source files
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diff
changeset
|
1459 else |
20727
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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20713
diff
changeset
|
1460 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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20713
diff
changeset
|
1461 fname); |
10315
57a59eae83cc
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|
1462 } |
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|
1463 } |
1380 | 1464 } |
1465 } | |
1466 | |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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19697
diff
changeset
|
1467 DEFUN (save, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1468 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1469 @deftypefn {} {} save file |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1470 @deftypefnx {} {} save options file |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1471 @deftypefnx {} {} save options file @var{v1} @var{v2} @dots{} |
23985
aa127fce67e4
doc: Document extra save options for -ascii format (bug #51898).
Rik <rik@octave.org>
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diff
changeset
|
1472 @deftypefnx {} {} save options file -struct @var{STRUCT} |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1473 @deftypefnx {} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{} |
23047
97a9fd0af57b
doc: Don't use @code in @deftypefn because it expands badly in plain text format.
Rik <rik@octave.org>
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22407
diff
changeset
|
1474 @deftypefnx {} {} save - @var{v1} @var{v2} @dots{} |
97a9fd0af57b
doc: Don't use @code in @deftypefn because it expands badly in plain text format.
Rik <rik@octave.org>
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diff
changeset
|
1475 @deftypefnx {} {@var{str} =} save ("-", @qcode{"@var{v1}"}, @qcode{"@var{v2}"}, @dots{}) |
23985
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Rik <rik@octave.org>
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diff
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|
1476 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file @var{file}. |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1477 |
23985
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changeset
|
1478 The special filename @samp{-} may be used to return the content of the |
aa127fce67e4
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diff
changeset
|
1479 variables as a string. If no variable names are listed, Octave saves all the |
aa127fce67e4
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diff
changeset
|
1480 variables in the current scope. Otherwise, full variable names or pattern |
aa127fce67e4
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changeset
|
1481 syntax can be used to specify the variables to save. If the @option{-struct} |
aa127fce67e4
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|
1482 modifier is used then the fields of the @strong{scalar} struct are saved as if |
aa127fce67e4
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diff
changeset
|
1483 they were variables with the corresponding field names. The @option{-struct} |
aa127fce67e4
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diff
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|
1484 option can be combined with specific field names @var{f1}, @var{f2}, @dots{} to |
aa127fce67e4
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|
1485 write only certain fields to the file. |
aa127fce67e4
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diff
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|
1486 |
aa127fce67e4
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diff
changeset
|
1487 Valid options for the @code{save} command are listed in the following table. |
aa127fce67e4
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diff
changeset
|
1488 Options that modify the output format override the format specified by |
aa127fce67e4
doc: Document extra save options for -ascii format (bug #51898).
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diff
changeset
|
1489 @code{save_default_options}. |
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1490 |
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|
1491 If save is invoked using the functional form |
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|
1492 |
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|
1493 @example |
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1494 save ("-option1", @dots{}, "file", "v1", @dots{}) |
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1495 @end example |
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1496 |
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1497 @noindent |
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1498 then the @var{options}, @var{file}, and variable name arguments (@var{v1}, |
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|
1499 @dots{}) must be specified as character strings. |
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1500 |
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|
1501 If called with a filename of @qcode{"-"}, write the output to stdout if nargout |
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1502 is 0, otherwise return the output in a character string. |
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1503 |
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1504 @table @code |
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1505 @item -append |
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1506 Append to the destination instead of overwriting. |
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1507 |
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1508 @item -ascii |
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|
1509 Save a matrix in a text file without a header or any other information. The |
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|
1510 matrix must be 2-D and only the real part of any complex value is written to |
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|
1511 the file. Numbers are stored in single-precision format and separated by |
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|
1512 spaces. Additional options for the @option{-ascii} format are |
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1513 |
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1514 @table @code |
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1515 @item -double |
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1516 Store numbers in double-precision format. |
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1517 |
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1518 @item -tabs |
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1519 Separate numbers with tabs. |
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|
1520 @end table |
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1521 |
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1522 @item -binary |
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1523 Save the data in Octave's binary data format. |
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1524 |
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1525 @item -float-binary |
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1526 Save the data in Octave's binary data format but using only single precision. |
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|
1527 Use this format @strong{only} if you know that all the values to be saved can |
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1528 be represented in single precision. |
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1529 |
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1530 @item -hdf5 |
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1531 Save the data in @sc{hdf5} format. |
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|
1532 (HDF5 is a free, portable, binary format developed by the National Center for |
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|
1533 Supercomputing Applications at the University of Illinois.) This format is only |
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|
1534 available if Octave was built with a link to the @sc{hdf5} libraries. |
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|
1535 |
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|
1536 @item -float-hdf5 |
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|
1537 Save the data in @sc{hdf5} format but using only single precision. Use this |
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|
1538 format @strong{only} if you know that all the values to be saved can be |
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1539 represented in single precision. |
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|
1540 |
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|
1541 @item -V7 |
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1542 @itemx -v7 |
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1543 @itemx -7 |
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1544 @itemx -mat7-binary |
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|
1545 Save the data in @sc{matlab}'s v7 binary data format. |
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|
1546 |
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|
1547 @item -V6 |
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1548 @itemx -v6 |
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1549 @itemx -6 |
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1550 @itemx -mat |
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1551 @itemx -mat-binary |
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|
1552 Save the data in @sc{matlab}'s v6 binary data format. |
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|
1553 |
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|
1554 @item -V4 |
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|
1555 @itemx -v4 |
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1556 @itemx -4 |
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1557 @itemx -mat4-binary |
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1558 Save the data in the binary format written by @sc{matlab} version 4. |
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|
1559 |
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|
1560 @item -text |
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|
1561 Save the data in Octave's text data format. (default). |
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|
1562 |
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|
1563 @item -zip |
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|
1564 @itemx -z |
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|
1565 Use the gzip algorithm to compress the file. This works on files that are |
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|
1566 compressed with gzip outside of Octave, and gzip can also be used to convert |
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|
1567 the files for backward compatibility. This option is only available if Octave |
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|
1568 was built with a link to the zlib libraries. |
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|
1569 @end table |
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|
1570 |
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|
1571 The list of variables to save may use wildcard patterns containing the |
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|
1572 following special characters: |
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|
1573 |
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|
1574 @table @code |
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|
1575 @item ? |
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|
1576 Match any single character. |
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1577 |
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|
1578 @item * |
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1579 Match zero or more characters. |
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1580 |
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|
1581 @item [ @var{list} ] |
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1582 Match the list of characters specified by @var{list}. If the first character |
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1583 is @code{!} or @code{^}, match all characters except those specified by |
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|
1584 @var{list}. For example, the pattern @code{[a-zA-Z]} will match all lower and |
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1585 uppercase alphabetic characters. |
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1586 |
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|
1587 Wildcards may also be used in the field name specifications when using the |
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|
1588 @option{-struct} modifier (but not in the struct name itself). |
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1589 |
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|
1590 @end table |
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1591 |
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1592 Except when using the @sc{matlab} binary data file format or the @samp{-ascii} |
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1593 format, saving global variables also saves the global status of the variable. |
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1594 If the variable is restored at a later time using @samp{load}, it will be |
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1595 restored as a global variable. |
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1596 |
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|
1597 The command |
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1598 |
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1599 @example |
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1600 save -binary data a b* |
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1601 @end example |
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1602 |
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1603 @noindent |
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1604 saves the variable @samp{a} and all variables beginning with @samp{b} to the |
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1605 file @file{data} in Octave's binary format. |
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1606 @seealso{load, save_default_options, save_header_format_string, save_precision, dlmread, csvread, fread} |
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1607 @end deftypefn */) |
604 | 1608 { |
1358 | 1609 // Here is where we would get the default save format if it were |
1610 // stored in a user preference variable. | |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1611 load_save_format format = LS_TEXT; |
3019 | 1612 bool save_as_floats = false; |
3185 | 1613 bool append = false; |
5269 | 1614 bool use_zlib = false; |
1615 | |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1616 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1617 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1618 use_zlib); |
5351 | 1619 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1620 // override from command line |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1621 string_vector argv = args.make_argv (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1622 |
20996 | 1623 argv = parse_save_options (argv, format, append, save_as_floats, use_zlib); |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1624 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20172
diff
changeset
|
1625 int argc = argv.numel (); |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1626 int i = 0; |
5197 | 1627 |
2057 | 1628 if (i == argc) |
20801
a542a9bf177e
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
1629 print_usage (); |
604 | 1630 |
20447
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20443
diff
changeset
|
1631 if (save_as_floats && format == LS_TEXT) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20801
diff
changeset
|
1632 error ("save: cannot specify both -text and -float-binary"); |
630 | 1633 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1634 octave_value_list retval; |
630 | 1635 |
1755 | 1636 if (argv[i] == "-") |
604 | 1637 { |
1755 | 1638 i++; |
863 | 1639 |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1640 #if defined (HAVE_HDF5) |
3687 | 1641 if (format == LS_HDF5) |
4687 | 1642 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1643 else |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1644 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1645 // don't insert any commands here! the brace below must go |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1646 // with the "else" above! |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1647 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1648 if (append) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1649 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1650 |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1651 if (nargout == 0) |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1652 save_vars (argv, i, argc, std::cout, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1653 else |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1654 { |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1655 std::ostringstream output_buf; |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1656 save_vars (argv, i, argc, output_buf, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1657 retval = octave_value (output_buf.str()); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1658 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1659 } |
604 | 1660 } |
1755 | 1661 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
diff
changeset
|
1662 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1663 |
1664 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
20801
a542a9bf177e
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
1665 print_usage (); |
604 | 1666 else |
1667 { | |
21733
cb0fdd941d84
use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents:
21732
diff
changeset
|
1668 std::string fname = octave::sys::file_ops::tilde_expand (argv[i]); |
1755 | 1669 |
1670 i++; | |
604 | 1671 |
6625 | 1672 // Matlab v7 files are always compressed |
1673 if (format == LS_MAT7_BINARY) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1674 use_zlib = false; |
6625 | 1675 |
6759 | 1676 std::ios::openmode mode |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23433
diff
changeset
|
1677 = (append ? (std::ios::app | std::ios::ate) : std::ios::out); |
6759 | 1678 |
4791 | 1679 if (format == LS_BINARY |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1680 #if defined (HAVE_HDF5) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1681 || format == LS_HDF5 |
4791 | 1682 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1683 || format == LS_MAT_BINARY |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1684 || format == LS_MAT5_BINARY |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1685 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1686 mode |= std::ios::binary; |
3538 | 1687 |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1688 #if defined (HAVE_HDF5) |
3687 | 1689 if (format == LS_HDF5) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1690 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
1691 // FIXME: It should be possible to append to HDF5 files. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1692 if (append) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20801
diff
changeset
|
1693 error ("save: appending to HDF5 files is not implemented"); |
6759 | 1694 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19817
diff
changeset
|
1695 bool write_header_info |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19817
diff
changeset
|
1696 = ! (append && H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1697 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1698 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1699 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1700 if (hdf5_file.file_id == -1) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1701 err_file_open ("save", fname); |
3687 | 1702 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1703 save_vars (argv, i, argc, hdf5_file, format, |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1704 save_as_floats, write_header_info); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1705 |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1706 hdf5_file.close (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1707 } |
863 | 1708 else |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20940
diff
changeset
|
1709 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1710 // don't insert any statements here! The brace below must go |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1711 // with the "else" above! |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1712 { |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21691
diff
changeset
|
1713 #if defined (HAVE_ZLIB) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1714 if (use_zlib) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1715 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1716 gzofstream file (fname.c_str (), mode); |
5269 | 1717 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1718 if (! file) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1719 err_file_open ("save", fname); |
6760 | 1720 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1721 bool write_header_info = ! file.tellp (); |
5269 | 1722 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1723 save_vars (argv, i, argc, file, format, |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1724 save_as_floats, write_header_info); |
5269 | 1725 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1726 file.close (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1727 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1728 else |
5269 | 1729 #endif |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1730 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1731 std::ofstream file (fname.c_str (), mode); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1732 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1733 if (! file) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1734 err_file_open ("save", fname); |
6760 | 1735 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1736 bool write_header_info = ! file.tellp (); |
5269 | 1737 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1738 save_vars (argv, i, argc, file, format, |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1739 save_as_floats, write_header_info); |
5269 | 1740 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1741 file.close (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1742 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10309
diff
changeset
|
1743 } |
604 | 1744 } |
1745 | |
1746 return retval; | |
1747 } | |
1748 | |
5794 | 1749 DEFUN (crash_dumps_octave_core, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1750 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1751 @deftypefn {} {@var{val} =} crash_dumps_octave_core () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1752 @deftypefnx {} {@var{old_val} =} crash_dumps_octave_core (@var{new_val}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1753 @deftypefnx {} {} crash_dumps_octave_core (@var{new_val}, "local") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1754 Query or set the internal variable that controls whether Octave tries |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1755 to save all current variables to the file @file{octave-workspace} if it |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1756 crashes or receives a hangup, terminate or similar signal. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1757 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1758 When called from inside a function with the @qcode{"local"} option, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1759 variable is changed locally for the function and any subroutines it calls. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1760 The original variable value is restored when exiting the function. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1761 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1762 @end deftypefn */) |
2194 | 1763 { |
5794 | 1764 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1765 } |
1766 | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1767 DEFUN (save_default_options, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1768 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21888
diff
changeset
|
1769 @deftypefn {} {@var{val} =} save_default_options () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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1770 @deftypefnx {} {@var{old_val} =} save_default_options (@var{new_val}) |
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1771 @deftypefnx {} {} save_default_options (@var{new_val}, "local") |
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1772 Query or set the internal variable that specifies the default options |
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1773 for the @code{save} command, and defines the default format. |
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1774 |
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1775 The default value is @qcode{"-text"} (Octave's own text-based file format). |
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1776 See the documentation of the @code{save} command for other choices. |
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1777 |
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1778 When called from inside a function with the @qcode{"local"} option, the |
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1779 variable is changed locally for the function and any subroutines it calls. |
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1780 The original variable value is restored when exiting the function. |
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1781 @seealso{save, save_header_format_string, save_precision} |
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1782 @end deftypefn */) |
4788 | 1783 { |
16875
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1784 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1785 } |
1786 | |
5794 | 1787 DEFUN (octave_core_file_limit, args, nargout, |
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1788 doc: /* -*- texinfo -*- |
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1789 @deftypefn {} {@var{val} =} octave_core_file_limit () |
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1790 @deftypefnx {} {@var{old_val} =} octave_core_file_limit (@var{new_val}) |
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1791 @deftypefnx {} {} octave_core_file_limit (@var{new_val}, "local") |
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1792 Query or set the internal variable that specifies the maximum amount |
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1793 of memory (in kilobytes) of the top-level workspace that Octave will |
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1794 attempt to save when writing data to the crash dump file (the name of |
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1795 the file is specified by @var{octave_core_file_name}). |
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1796 |
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1797 If @var{octave_core_file_options} flags specify a binary format, |
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1798 then @var{octave_core_file_limit} will be approximately the maximum |
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1799 size of the file. If a text file format is used, then the file could |
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1800 be much larger than the limit. The default value is -1 (unlimited) |
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1801 |
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1802 When called from inside a function with the @qcode{"local"} option, the |
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1803 variable is changed locally for the function and any subroutines it calls. |
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1804 The original variable value is restored when exiting the function. |
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1805 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options} |
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1806 @end deftypefn */) |
3709 | 1807 { |
5794 | 1808 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1809 } |
1810 | |
5794 | 1811 DEFUN (octave_core_file_name, args, nargout, |
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1812 doc: /* -*- texinfo -*- |
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1813 @deftypefn {} {@var{val} =} octave_core_file_name () |
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1814 @deftypefnx {} {@var{old_val} =} octave_core_file_name (@var{new_val}) |
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1815 @deftypefnx {} {} octave_core_file_name (@var{new_val}, "local") |
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1816 Query or set the internal variable that specifies the name of the file |
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1817 used for saving data from the top-level workspace if Octave aborts. |
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1818 |
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1819 The default value is @qcode{"octave-workspace"} |
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1820 |
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1821 When called from inside a function with the @qcode{"local"} option, the |
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1822 variable is changed locally for the function and any subroutines it calls. |
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1823 The original variable value is restored when exiting the function. |
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1824 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options} |
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1825 @end deftypefn */) |
2194 | 1826 { |
5794 | 1827 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1828 } | |
4791 | 1829 |
5794 | 1830 DEFUN (octave_core_file_options, args, nargout, |
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1831 doc: /* -*- texinfo -*- |
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1832 @deftypefn {} {@var{val} =} octave_core_file_options () |
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1833 @deftypefnx {} {@var{old_val} =} octave_core_file_options (@var{new_val}) |
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1834 @deftypefnx {} {} octave_core_file_options (@var{new_val}, "local") |
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1835 Query or set the internal variable that specifies the options used for |
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1836 saving the workspace data if Octave aborts. |
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1837 |
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1838 The value of @code{octave_core_file_options} should follow the same format |
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1839 as the options for the @code{save} function. The default value is Octave's |
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1840 binary format. |
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1841 |
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1842 When called from inside a function with the @qcode{"local"} option, the |
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1843 variable is changed locally for the function and any subroutines it calls. |
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1844 The original variable value is restored when exiting the function. |
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1845 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit} |
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1846 @end deftypefn */) |
5794 | 1847 { |
1848 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1849 } | |
2194 | 1850 |
5794 | 1851 DEFUN (save_header_format_string, args, nargout, |
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1852 doc: /* -*- texinfo -*- |
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1853 @deftypefn {} {@var{val} =} save_header_format_string () |
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1854 @deftypefnx {} {@var{old_val} =} save_header_format_string (@var{new_val}) |
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1855 @deftypefnx {} {} save_header_format_string (@var{new_val}, "local") |
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1856 Query or set the internal variable that specifies the format string used for |
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|
1857 the comment line written at the beginning of text-format data files saved by |
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1858 Octave. |
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1859 |
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1860 The format string is passed to @code{strftime} and must begin with the |
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1861 character @samp{#} and contain no newline characters. If the value of |
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1862 @code{save_header_format_string} is the empty string, the header comment is |
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1863 omitted from text-format data files. The default value is |
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1864 @c Set example in small font to prevent overfull line |
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1865 |
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1866 @smallexample |
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1867 "# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>" |
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1868 @end smallexample |
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1869 |
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1870 When called from inside a function with the @qcode{"local"} option, the |
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1871 variable is changed locally for the function and any subroutines it calls. |
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1872 The original variable value is restored when exiting the function. |
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1873 @seealso{strftime, save_default_options} |
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1874 @end deftypefn */) |
5794 | 1875 { |
1876 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1877 } |