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604
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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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604
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4 |
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5 This file is part of Octave. |
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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 the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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5307
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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3911
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24 // Author: John W. Eaton. |
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25 // HDF5 support by Steven G. Johnson <stevenj@alum.mit.edu> |
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26 // Matlab v5 support by James R. Van Zandt <jrv@vanzandt.mv.com> |
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3687
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27 |
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604
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28 #ifdef HAVE_CONFIG_H |
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1192
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29 #include <config.h> |
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604
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30 #endif |
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31 |
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1343
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32 #include <cfloat> |
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33 #include <cstring> |
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34 #include <cctype> |
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35 |
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4249
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36 #include <fstream> |
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3503
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37 #include <iomanip> |
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38 #include <iostream> |
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5765
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39 #include <sstream> |
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1728
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40 #include <string> |
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41 |
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3687
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42 #ifdef HAVE_HDF5 |
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43 #include <hdf5.h> |
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44 #endif |
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45 |
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1961
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46 #include "byte-swap.h" |
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47 #include "data-conv.h" |
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2926
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48 #include "file-ops.h" |
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49 #include "glob-match.h" |
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2890
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50 #include "lo-mappers.h" |
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2318
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51 #include "mach-info.h" |
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3185
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52 #include "oct-env.h" |
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3258
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53 #include "oct-time.h" |
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4171
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54 #include "quit.h" |
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1755
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55 #include "str-vec.h" |
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56 |
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4332
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57 #include "Cell.h" |
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1352
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58 #include "defun.h" |
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604
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59 #include "error.h" |
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777
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60 #include "gripes.h" |
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1352
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61 #include "load-save.h" |
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1750
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62 #include "oct-obj.h" |
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3687
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63 #include "oct-map.h" |
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4332
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64 #include "ov-cell.h" |
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1352
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65 #include "pager.h" |
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1750
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66 #include "pt-exp.h" |
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1352
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67 #include "symtab.h" |
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68 #include "sysdep.h" |
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69 #include "unwind-prot.h" |
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604
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70 #include "utils.h" |
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2371
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71 #include "variables.h" |
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3185
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72 #include "version.h" |
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3688
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73 #include "dMatrix.h" |
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74 |
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4659
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75 #ifdef HAVE_HDF5 |
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4633
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76 #include "ls-hdf5.h" |
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4659
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77 #endif |
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4633
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78 #include "ls-mat-ascii.h" |
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79 #include "ls-mat4.h" |
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80 #include "ls-mat5.h" |
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81 #include "ls-oct-ascii.h" |
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82 #include "ls-oct-binary.h" |
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3688
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83 |
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5269
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84 #ifdef HAVE_ZLIB |
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85 #include "zfstream.h" |
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86 #endif |
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87 |
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3598
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88 // Write octave-core file if Octave crashes or is killed by a signal. |
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5794
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89 static bool Vcrash_dumps_octave_core = true; |
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3189
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90 |
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4791
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91 // The maximum amount of memory (in kilobytes) that we will attempt to |
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92 // write to the Octave core file. |
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5794
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93 static double Voctave_core_file_limit = -1.0; |
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4791
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94 |
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95 // The name of the Octave core file. |
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5794
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96 static std::string Voctave_core_file_name = "octave-core"; |
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4791
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97 |
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3687
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98 // The default output format. May be one of "binary", "text", |
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99 // "mat-binary", or "hdf5". |
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5794
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100 static std::string Vdefault_save_options = "-text"; |
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2194
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101 |
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5284
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102 // The output format for Octave core files. |
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5794
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103 static std::string Voctave_core_file_options = "-binary"; |
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104 |
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105 static std::string |
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106 default_save_header_format (void) |
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107 { |
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108 return |
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109 std::string ("# Created by Octave " OCTAVE_VERSION |
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110 ", %a %b %d %H:%M:%S %Y %Z <") |
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111 + octave_env::get_user_name () |
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112 + std::string ("@") |
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113 + octave_env::get_host_name () |
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114 + std::string (">"); |
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115 } |
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4788
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116 |
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3709
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117 // The format string for the comment line at the top of text-format |
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118 // save files. Passed to strftime. Should begin with `#' and contain |
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119 // no newline characters. |
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5794
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120 static std::string Vsave_header_format_string = default_save_header_format (); |
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3709
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121 |
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5369
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122 static void |
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123 gripe_file_open (const std::string& fcn, const std::string& file) |
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124 { |
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125 if (fcn == "load") |
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126 error ("%s: unable to open input file `%s'", fcn.c_str (), file.c_str ()); |
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127 else if (fcn == "save") |
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128 error ("%s: unable to open output file `%s'", fcn.c_str (), file.c_str ()); |
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129 else |
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130 error ("%s: unable to open file `%s'", fcn.c_str (), file.c_str ()); |
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131 } |
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132 |
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5775
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133 // FIXME -- shouldn't this be implemented in terms of other |
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630
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134 // functions that are already available? |
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135 |
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136 // Install a variable with name NAME and the value specified TC in the |
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3019
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137 // symbol table. If FORCE is TRUE, replace any existing definition |
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138 // for NAME. If GLOBAL is TRUE, make the variable global. |
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604
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139 // |
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140 // Assumes TC is defined. |
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141 |
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142 static void |
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4171
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143 install_loaded_variable (int force, const std::string& name, |
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144 const octave_value& val, |
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145 int global, const std::string& doc) |
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604
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146 { |
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1358
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147 // Is there already a symbol by this name? If so, what is it? |
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148 |
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2856
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149 symbol_record *lsr = curr_sym_tab->lookup (name); |
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604
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150 |
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3019
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151 bool is_undefined = true; |
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152 bool is_variable = false; |
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153 bool is_function = false; |
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154 bool is_global = false; |
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604
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155 |
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156 if (lsr) |
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157 { |
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158 is_undefined = ! lsr->is_defined (); |
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159 is_variable = lsr->is_variable (); |
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160 is_function = lsr->is_function (); |
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161 is_global = lsr->is_linked_to_global (); |
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162 } |
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163 |
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164 symbol_record *sr = 0; |
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165 |
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166 if (global) |
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167 { |
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168 if (is_global || is_undefined) |
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169 { |
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170 if (force || is_undefined) |
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171 { |
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2856
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172 lsr = curr_sym_tab->lookup (name, true); |
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604
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173 link_to_global_variable (lsr); |
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174 sr = lsr; |
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175 } |
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176 else |
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177 { |
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4171
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178 warning ("load: global variable name `%s' exists", |
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179 name.c_str ()); |
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604
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180 warning ("use `load -force' to overwrite"); |
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181 } |
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182 } |
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183 else if (is_function) |
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184 { |
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185 if (force) |
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186 { |
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2856
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187 lsr = curr_sym_tab->lookup (name, true); |
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604
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188 link_to_global_variable (lsr); |
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189 sr = lsr; |
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190 } |
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191 else |
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192 { |
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4171
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193 warning ("load: `%s' is currently a function in this scope", |
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194 name.c_str ()); |
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604
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195 warning ("`load -force' will load variable and hide function"); |
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196 } |
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197 } |
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198 else if (is_variable) |
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199 { |
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200 if (force) |
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201 { |
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2856
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202 lsr = curr_sym_tab->lookup (name, true); |
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604
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203 link_to_global_variable (lsr); |
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204 sr = lsr; |
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205 } |
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206 else |
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207 { |
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4171
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208 warning ("load: local variable name `%s' exists", |
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209 name.c_str ()); |
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604
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210 warning ("use `load -force' to overwrite"); |
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211 } |
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212 } |
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213 else |
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774
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214 error ("load: unable to load data for unknown symbol type"); |
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604
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215 } |
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216 else |
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217 { |
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218 if (is_global) |
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219 { |
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220 if (force || is_undefined) |
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221 { |
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2856
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222 lsr = curr_sym_tab->lookup (name, true); |
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604
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223 link_to_global_variable (lsr); |
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224 sr = lsr; |
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225 } |
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226 else |
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227 { |
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4171
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228 warning ("load: global variable name `%s' exists", |
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229 name.c_str ()); |
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604
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230 warning ("use `load -force' to overwrite"); |
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231 } |
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232 } |
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233 else if (is_function) |
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234 { |
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235 if (force) |
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236 { |
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2856
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237 lsr = curr_sym_tab->lookup (name, true); |
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604
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238 link_to_global_variable (lsr); |
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239 sr = lsr; |
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240 } |
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241 else |
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242 { |
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4171
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243 warning ("load: `%s' is currently a function in this scope", |
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244 name.c_str ()); |
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604
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245 warning ("`load -force' will load variable and hide function"); |
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246 } |
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247 } |
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248 else if (is_variable || is_undefined) |
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249 { |
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250 if (force || is_undefined) |
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251 { |
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2856
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252 lsr = curr_sym_tab->lookup (name, true); |
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604
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253 sr = lsr; |
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254 } |
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255 else |
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256 { |
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4171
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257 warning ("load: local variable name `%s' exists", |
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258 name.c_str ()); |
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604
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259 warning ("use `load -force' to overwrite"); |
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260 } |
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261 } |
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262 else |
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774
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263 error ("load: unable to load data for unknown symbol type"); |
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604
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264 } |
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265 |
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266 if (sr) |
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267 { |
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2371
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268 sr->define (val); |
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4171
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269 sr->document (doc); |
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604
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270 return; |
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271 } |
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272 else |
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4171
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273 error ("load: unable to load variable `%s'", name.c_str ()); |
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604
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274 |
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275 return; |
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276 } |
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277 |
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3019
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278 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
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604
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279 |
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3013
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280 static bool |
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3769
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281 matches_patterns (const string_vector& patterns, int pat_idx, |
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3523
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282 int num_pat, const std::string& name) |
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604
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283 { |
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1755
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284 for (int i = pat_idx; i < num_pat; i++) |
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604
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285 { |
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1792
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286 glob_match pattern (patterns[i]); |
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3013
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287 |
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1792
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288 if (pattern.match (name)) |
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3013
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289 return true; |
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604
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290 } |
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3688
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291 |
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3013
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292 return false; |
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604
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293 } |
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294 |
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4329
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295 int |
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3523
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296 read_binary_file_header (std::istream& is, bool& swap, |
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4329
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297 oct_mach_info::float_format& flt_fmt, bool quiet) |
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604
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298 { |
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3552
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299 const int magic_len = 10; |
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300 char magic[magic_len+1]; |
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5760
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301 is.read (magic, magic_len); |
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604
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302 magic[magic_len] = '\0'; |
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3688
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303 |
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604
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304 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
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2318
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305 swap = oct_mach_info::words_big_endian (); |
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604
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306 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
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2318
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307 swap = ! oct_mach_info::words_big_endian (); |
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604
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308 else |
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309 { |
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310 if (! quiet) |
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5369
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311 error ("load: unable to read read binary file"); |
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604
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312 return -1; |
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313 } |
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314 |
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315 char tmp = 0; |
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5760
|
316 is.read (&tmp, 1); |
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604
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317 |
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2318
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318 flt_fmt = mopt_digit_to_float_format (tmp); |
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319 |
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4574
|
320 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
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604
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321 { |
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322 if (! quiet) |
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323 error ("load: unrecognized binary format!"); |
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3688
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324 |
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604
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325 return -1; |
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326 } |
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327 |
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328 return 0; |
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329 } |
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330 |
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5269
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331 #ifdef HAVE_ZLIB |
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332 static bool |
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333 check_gzip_magic (const std::string& fname) |
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334 { |
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335 bool retval = false; |
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336 std::ifstream file (fname.c_str ()); |
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337 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); |
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338 |
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5760
|
339 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f && |
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5269
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340 magic[1] == 0x8b) |
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341 retval = true; |
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342 |
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343 file.close (); |
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344 return retval; |
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|
345 } |
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346 #endif |
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347 |
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604
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348 static load_save_format |
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5269
|
349 get_file_format (std::istream& file) |
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604
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350 { |
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351 load_save_format retval = LS_UNKNOWN; |
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352 |
|
4574
|
353 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
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604
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354 |
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3019
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355 bool swap = false; |
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356 |
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357 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) |
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604
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358 retval = LS_BINARY; |
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359 else |
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360 { |
|
3538
|
361 file.seekg (0, std::ios::beg); |
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604
|
362 |
|
5828
|
363 int32_t mopt, nr, nc, imag, len; |
|
1180
|
364 |
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|
365 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, 1); |
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|
366 |
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|
367 if (! err) |
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604
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368 retval = LS_MAT_BINARY; |
|
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369 else |
|
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370 { |
|
2511
|
371 file.clear (); |
|
3538
|
372 file.seekg (0, std::ios::beg); |
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604
|
373 |
|
3697
|
374 err = read_mat5_binary_file_header (file, swap, true); |
|
3688
|
375 |
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|
376 if (! err) |
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|
377 { |
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|
378 file.clear (); |
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|
379 file.seekg (0, std::ios::beg); |
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|
380 retval = LS_MAT5_BINARY; |
|
|
381 } |
|
|
382 else |
|
|
383 { |
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|
384 file.clear (); |
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|
385 file.seekg (0, std::ios::beg); |
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|
386 |
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4171
|
387 std::string tmp = extract_keyword (file, "name"); |
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388 |
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|
389 if (! tmp.empty ()) |
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|
390 retval = LS_ASCII; |
|
2511
|
391 } |
|
604
|
392 } |
|
|
393 } |
|
|
394 |
|
5269
|
395 return retval; |
|
|
396 } |
|
|
397 static load_save_format |
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|
398 get_file_format (const std::string& fname, const std::string& orig_fname, |
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|
399 bool &use_zlib) |
|
|
400 { |
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|
401 load_save_format retval = LS_UNKNOWN; |
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|
402 |
|
|
403 #ifdef HAVE_HDF5 |
|
|
404 // check this before we open the file |
|
|
405 if (H5Fis_hdf5 (fname.c_str ()) > 0) |
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|
406 return LS_HDF5; |
|
|
407 #endif /* HAVE_HDF5 */ |
|
604
|
408 |
|
5269
|
409 std::ifstream file (fname.c_str ()); |
|
|
410 use_zlib = false; |
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|
411 |
|
|
412 if (file) |
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|
413 { |
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|
414 retval = get_file_format (file); |
|
|
415 file.close (); |
|
5383
|
416 #ifdef HAVE_ZLIB |
|
5269
|
417 if (retval == LS_UNKNOWN && check_gzip_magic (fname)) |
|
|
418 { |
|
|
419 gzifstream gzfile (fname.c_str ()); |
|
|
420 use_zlib = true; |
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|
421 |
|
|
422 if (gzfile) |
|
|
423 { |
|
|
424 retval = get_file_format (gzfile); |
|
|
425 gzfile.close (); |
|
|
426 } |
|
|
427 } |
|
|
428 |
|
|
429 if (retval == LS_UNKNOWN) |
|
|
430 { |
|
|
431 // Try reading the file as numbers only, determining the |
|
|
432 // number of rows and columns from the data. We don't |
|
|
433 // even bother to check to see if the first item in the |
|
|
434 // file is a number, so that get_complete_line() can |
|
|
435 // skip any comments that might appear at the top of the |
|
|
436 // file. |
|
|
437 |
|
|
438 retval = LS_MAT_ASCII; |
|
|
439 } |
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|
440 |
|
|
441 #endif |
|
|
442 } |
|
|
443 else |
|
5369
|
444 gripe_file_open ("load", orig_fname); |
|
604
|
445 |
|
|
446 return retval; |
|
|
447 } |
|
|
448 |
|
4329
|
449 octave_value |
|
3523
|
450 do_load (std::istream& stream, const std::string& orig_fname, bool force, |
|
2318
|
451 load_save_format format, oct_mach_info::float_format flt_fmt, |
|
4687
|
452 bool list_only, bool swap, bool verbose, |
|
3687
|
453 const string_vector& argv, int argv_idx, int argc, int nargout) |
|
604
|
454 { |
|
3727
|
455 octave_value retval; |
|
|
456 |
|
|
457 Octave_map retstruct; |
|
604
|
458 |
|
5765
|
459 std::ostringstream output_buf; |
|
4051
|
460 |
|
5754
|
461 octave_idx_type count = 0; |
|
4051
|
462 |
|
604
|
463 for (;;) |
|
|
464 { |
|
3019
|
465 bool global = false; |
|
2086
|
466 octave_value tc; |
|
604
|
467 |
|
4171
|
468 std::string name; |
|
|
469 std::string doc; |
|
604
|
470 |
|
|
471 switch (format) |
|
|
472 { |
|
|
473 case LS_ASCII: |
|
3136
|
474 name = read_ascii_data (stream, orig_fname, global, tc, count); |
|
604
|
475 break; |
|
|
476 |
|
|
477 case LS_BINARY: |
|
|
478 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
|
|
479 global, tc, doc); |
|
|
480 break; |
|
|
481 |
|
2511
|
482 case LS_MAT_ASCII: |
|
|
483 name = read_mat_ascii_data (stream, orig_fname, tc); |
|
|
484 break; |
|
|
485 |
|
604
|
486 case LS_MAT_BINARY: |
|
|
487 name = read_mat_binary_data (stream, orig_fname, tc); |
|
|
488 break; |
|
|
489 |
|
3687
|
490 #ifdef HAVE_HDF5 |
|
|
491 case LS_HDF5: |
|
4687
|
492 name = read_hdf5_data (stream, orig_fname, global, tc, doc); |
|
3687
|
493 break; |
|
|
494 #endif /* HAVE_HDF5 */ |
|
|
495 |
|
3688
|
496 case LS_MAT5_BINARY: |
|
5269
|
497 case LS_MAT7_BINARY: |
|
3688
|
498 name = read_mat5_binary_element (stream, orig_fname, swap, |
|
|
499 global, tc); |
|
|
500 break; |
|
|
501 |
|
604
|
502 default: |
|
775
|
503 gripe_unrecognized_data_fmt ("load"); |
|
604
|
504 break; |
|
|
505 } |
|
|
506 |
|
4171
|
507 if (error_state || stream.eof () || name.empty ()) |
|
|
508 break; |
|
|
509 else if (! error_state && ! name.empty ()) |
|
604
|
510 { |
|
|
511 if (tc.is_defined ()) |
|
|
512 { |
|
3136
|
513 if (format == LS_MAT_ASCII && argv_idx < argc) |
|
|
514 warning ("load: loaded ASCII file `%s' -- ignoring extra args", |
|
3687
|
515 orig_fname.c_str ()); |
|
3136
|
516 |
|
|
517 if (format == LS_MAT_ASCII |
|
|
518 || argv_idx == argc |
|
1755
|
519 || matches_patterns (argv, argv_idx, argc, name)) |
|
604
|
520 { |
|
|
521 count++; |
|
621
|
522 if (list_only) |
|
|
523 { |
|
|
524 if (verbose) |
|
|
525 { |
|
|
526 if (count == 1) |
|
|
527 output_buf |
|
|
528 << "type rows cols name\n" |
|
|
529 << "==== ==== ==== ====\n"; |
|
|
530 |
|
3013
|
531 output_buf |
|
3548
|
532 << std::setiosflags (std::ios::left) |
|
|
533 << std::setw (16) << tc.type_name () . c_str () |
|
|
534 << std::setiosflags (std::ios::right) |
|
|
535 << std::setw (7) << tc.rows () |
|
|
536 << std::setw (7) << tc.columns () |
|
3013
|
537 << " "; |
|
621
|
538 } |
|
|
539 output_buf << name << "\n"; |
|
|
540 } |
|
|
541 else |
|
|
542 { |
|
3727
|
543 if (nargout == 1) |
|
|
544 { |
|
|
545 if (format == LS_MAT_ASCII) |
|
|
546 retval = tc; |
|
|
547 else |
|
4675
|
548 retstruct.assign (name, tc); |
|
3727
|
549 } |
|
|
550 else |
|
|
551 install_loaded_variable (force, name, tc, global, doc); |
|
621
|
552 } |
|
604
|
553 } |
|
2511
|
554 |
|
|
555 // Only attempt to read one item from a headless text file. |
|
|
556 |
|
|
557 if (format == LS_MAT_ASCII) |
|
|
558 break; |
|
604
|
559 } |
|
|
560 else |
|
4171
|
561 error ("load: unable to load variable `%s'", name.c_str ()); |
|
604
|
562 } |
|
|
563 else |
|
|
564 { |
|
|
565 if (count == 0) |
|
|
566 error ("load: are you sure `%s' is an Octave data file?", |
|
1755
|
567 orig_fname.c_str ()); |
|
604
|
568 |
|
|
569 break; |
|
|
570 } |
|
|
571 } |
|
|
572 |
|
621
|
573 if (list_only && count) |
|
|
574 { |
|
5765
|
575 std::string msg = output_buf.str (); |
|
2095
|
576 |
|
621
|
577 if (nargout > 0) |
|
2095
|
578 retval = msg; |
|
621
|
579 else |
|
2095
|
580 octave_stdout << msg; |
|
621
|
581 } |
|
3727
|
582 else if (! retstruct.empty ()) |
|
|
583 retval = retstruct; |
|
621
|
584 |
|
863
|
585 return retval; |
|
|
586 } |
|
|
587 |
|
3687
|
588 // HDF5 load/save documentation is included in the Octave manual |
|
|
589 // regardless, but if HDF5 is not linked in we also include a |
|
|
590 // sentence noting this, so the user understands that the features |
|
|
591 // aren't available. Define a macro for this sentence: |
|
|
592 |
|
|
593 #ifdef HAVE_HDF5 |
|
|
594 #define HAVE_HDF5_HELP_STRING "" |
|
|
595 #else /* ! HAVE_HDF5 */ |
|
|
596 #define HAVE_HDF5_HELP_STRING "\n\ |
|
|
597 HDF5 load and save are not available, as this Octave executable was\n\ |
|
|
598 not linked with the HDF5 library." |
|
|
599 #endif /* ! HAVE HDF5 */ |
|
|
600 |
|
4208
|
601 DEFCMD (load, args, nargout, |
|
3372
|
602 "-*- texinfo -*-\n\ |
|
|
603 @deffn {Command} load options file v1 v2 @dots{}\n\ |
|
|
604 Load the named variables from the file @var{file}. As with @code{save},\n\ |
|
|
605 you may specify a list of variables and @code{load} will only extract\n\ |
|
|
606 those variables with names that match. For example, to restore the\n\ |
|
|
607 variables saved in the file @file{data}, use the command\n\ |
|
|
608 \n\ |
|
|
609 @example\n\ |
|
|
610 load data\n\ |
|
|
611 @end example\n\ |
|
863
|
612 \n\ |
|
5665
|
613 If load is invoked using the functional form\n\ |
|
|
614 \n\ |
|
|
615 @example\n\ |
|
|
616 load (\"-text\", \"file.txt\", \"a\")\n\ |
|
|
617 @end example\n\ |
|
|
618 \n\ |
|
|
619 @noindent\n\ |
|
|
620 then the @var{options}, @var{file}, and variable name arguments\n\ |
|
|
621 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
|
|
622 \n\ |
|
3372
|
623 If a variable that is not marked as global is loaded from a file when a\n\ |
|
|
624 global symbol with the same name already exists, it is loaded in the\n\ |
|
|
625 global symbol table. Also, if a variable is marked as global in a file\n\ |
|
|
626 and a local symbol exists, the local symbol is moved to the global\n\ |
|
|
627 symbol table and given the value from the file. Since it seems that\n\ |
|
|
628 both of these cases are likely to be the result of some sort of error,\n\ |
|
|
629 they will generate warnings.\n\ |
|
863
|
630 \n\ |
|
3727
|
631 If invoked with a single output argument, Octave returns data instead\n\ |
|
|
632 of inserting variables in the symbol table. If the data file contains\n\ |
|
|
633 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ |
|
|
634 returned. Otherwise, @code{load} returns a structure with members\n\ |
|
|
635 corresponding to the names of the variables in the file.\n\ |
|
|
636 \n\ |
|
3372
|
637 The @code{load} command can read data stored in Octave's text and\n\ |
|
|
638 binary formats, and @sc{Matlab}'s binary format. It will automatically\n\ |
|
|
639 detect the type of file and do conversion from different floating point\n\ |
|
|
640 formats (currently only IEEE big and little endian, though other formats\n\ |
|
|
641 may added in the future).\n\ |
|
|
642 \n\ |
|
|
643 Valid options for @code{load} are listed in the following table.\n\ |
|
863
|
644 \n\ |
|
3372
|
645 @table @code\n\ |
|
|
646 @item -force\n\ |
|
4884
|
647 The @samp{-force} option is accepted but ignored for backward\n\ |
|
5457
|
648 compatiability. Octave now overwrites variables currently in memory with\n\ |
|
4884
|
649 the same name as those found in the file.\n\ |
|
3372
|
650 \n\ |
|
|
651 @item -ascii\n\ |
|
5938
|
652 Force Octave to assume the file contains columns of numbers in text format\n\ |
|
|
653 without any header or other information. Data in the file will be loaded\n\ |
|
|
654 as a single numeric matrix with the name of the variable derived from the\n\ |
|
|
655 name of the file.\n\ |
|
5197
|
656 \n\ |
|
3372
|
657 @item -binary\n\ |
|
|
658 Force Octave to assume the file is in Octave's binary format.\n\ |
|
|
659 \n\ |
|
4884
|
660 @item -mat\n\ |
|
|
661 @itemx -mat-binary\n\ |
|
5269
|
662 @itemx -6\n\ |
|
|
663 @itemx -v6\n\ |
|
|
664 @itemx -7\n\ |
|
|
665 @itemx -v7\n\ |
|
|
666 Force Octave to assume the file is in @sc{Matlab}'s version 6 or 7 binary\n\ |
|
5256
|
667 format.\n\ |
|
3687
|
668 \n\ |
|
5256
|
669 @item -V4\n\ |
|
|
670 @itemx -v4\n\ |
|
|
671 @itemx -4\n\ |
|
|
672 @itemx -mat4-binary\n\ |
|
3688
|
673 Force Octave to assume the file is in the binary format written by\n\ |
|
|
674 @sc{Matlab} version 4.\n\ |
|
|
675 \n\ |
|
3687
|
676 @item -hdf5\n\ |
|
|
677 Force Octave to assume the file is in HDF5 format.\n\ |
|
|
678 (HDF5 is a free, portable binary format developed by the National\n\ |
|
|
679 Center for Supercomputing Applications at the University of Illinois.)\n\ |
|
|
680 Note that Octave can read HDF5 files not created by itself, but may\n\ |
|
4687
|
681 skip some datasets in formats that it cannot support.\n" |
|
3687
|
682 |
|
|
683 HAVE_HDF5_HELP_STRING |
|
|
684 |
|
|
685 "\n\ |
|
|
686 @item -import\n\ |
|
4884
|
687 The @samp{-import} is accepted but ignored for backward compatiability.\n\ |
|
|
688 Octave can now support multi-dimensional HDF data and automatically\n\ |
|
|
689 modifies variable names if they are invalid Octave identifiers.\n\ |
|
3687
|
690 \n\ |
|
5198
|
691 @item -text\n\ |
|
5197
|
692 Force Octave to assume the file is in Octave's text format.\n\ |
|
3372
|
693 @end table\n\ |
|
|
694 @end deffn") |
|
863
|
695 { |
|
2086
|
696 octave_value_list retval; |
|
863
|
697 |
|
1755
|
698 int argc = args.length () + 1; |
|
|
699 |
|
1968
|
700 string_vector argv = args.make_argv ("load"); |
|
1755
|
701 |
|
|
702 if (error_state) |
|
|
703 return retval; |
|
863
|
704 |
|
1358
|
705 // It isn't necessary to have the default load format stored in a |
|
|
706 // user preference variable since we can determine the type of file |
|
|
707 // as we are reading. |
|
863
|
708 |
|
|
709 load_save_format format = LS_UNKNOWN; |
|
|
710 |
|
4691
|
711 bool force = true; |
|
3019
|
712 bool list_only = false; |
|
|
713 bool verbose = false; |
|
863
|
714 |
|
1755
|
715 int i; |
|
|
716 for (i = 1; i < argc; i++) |
|
863
|
717 { |
|
1755
|
718 if (argv[i] == "-force" || argv[i] == "-f") |
|
863
|
719 { |
|
4884
|
720 // Silently ignore this |
|
|
721 // warning ("load: -force ignored"); |
|
863
|
722 } |
|
1755
|
723 else if (argv[i] == "-list" || argv[i] == "-l") |
|
863
|
724 { |
|
3019
|
725 list_only = true; |
|
863
|
726 } |
|
1755
|
727 else if (argv[i] == "-verbose" || argv[i] == "-v") |
|
863
|
728 { |
|
3019
|
729 verbose = true; |
|
863
|
730 } |
|
1755
|
731 else if (argv[i] == "-ascii" || argv[i] == "-a") |
|
863
|
732 { |
|
5938
|
733 format = LS_MAT_ASCII; |
|
863
|
734 } |
|
1755
|
735 else if (argv[i] == "-binary" || argv[i] == "-b") |
|
863
|
736 { |
|
|
737 format = LS_BINARY; |
|
|
738 } |
|
5269
|
739 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
|
|
740 || argv[i] == "-6" || argv[i] == "-v6") |
|
863
|
741 { |
|
3688
|
742 format = LS_MAT5_BINARY; |
|
|
743 } |
|
5269
|
744 else if (argv[i] == "7" || argv[i] == "-v7") |
|
|
745 { |
|
|
746 format = LS_MAT7_BINARY; |
|
|
747 } |
|
5256
|
748 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
|
|
749 || argv[i] == "-v4" || argv[i] == "-4") |
|
3688
|
750 { |
|
863
|
751 format = LS_MAT_BINARY; |
|
|
752 } |
|
3687
|
753 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
|
|
754 { |
|
|
755 #ifdef HAVE_HDF5 |
|
|
756 format = LS_HDF5; |
|
|
757 #else /* ! HAVE_HDF5 */ |
|
|
758 error ("load: octave executable was not linked with HDF5 library"); |
|
|
759 return retval; |
|
|
760 #endif /* ! HAVE_HDF5 */ |
|
|
761 } |
|
|
762 else if (argv[i] == "-import" || argv[i] == "-i") |
|
|
763 { |
|
4687
|
764 warning ("load: -import ignored"); |
|
3687
|
765 } |
|
5197
|
766 else if (argv[i] == "-text" || argv[i] == "-t") |
|
|
767 { |
|
|
768 format = LS_ASCII; |
|
|
769 } |
|
863
|
770 else |
|
|
771 break; |
|
|
772 } |
|
|
773 |
|
1755
|
774 if (i == argc) |
|
863
|
775 { |
|
5823
|
776 print_usage (); |
|
863
|
777 return retval; |
|
|
778 } |
|
|
779 |
|
3523
|
780 std::string orig_fname = argv[i]; |
|
863
|
781 |
|
4574
|
782 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
|
863
|
783 |
|
3019
|
784 bool swap = false; |
|
863
|
785 |
|
1755
|
786 if (argv[i] == "-") |
|
863
|
787 { |
|
1755
|
788 i++; |
|
863
|
789 |
|
3687
|
790 #ifdef HAVE_HDF5 |
|
|
791 if (format == LS_HDF5) |
|
|
792 error ("load: cannot read HDF5 format from stdin"); |
|
|
793 else |
|
|
794 #endif /* HAVE_HDF5 */ |
|
863
|
795 if (format != LS_UNKNOWN) |
|
|
796 { |
|
5775
|
797 // FIXME -- if we have already seen EOF on a |
|
3531
|
798 // previous call, how do we fix up the state of std::cin so |
|
|
799 // that we can get additional input? I'm afraid that we |
|
|
800 // can't fix this using std::cin only. |
|
|
801 |
|
|
802 retval = do_load (std::cin, orig_fname, force, format, flt_fmt, |
|
4687
|
803 list_only, swap, verbose, argv, i, argc, |
|
863
|
804 nargout); |
|
|
805 } |
|
|
806 else |
|
|
807 error ("load: must specify file format if reading from stdin"); |
|
|
808 } |
|
|
809 else |
|
|
810 { |
|
3523
|
811 std::string fname = file_ops::tilde_expand (argv[i]); |
|
5269
|
812 bool use_zlib = false; |
|
863
|
813 |
|
5089
|
814 // Check if file exists, if it doesn't then also check with a |
|
|
815 // .mat extension |
|
|
816 std::ifstream file_exist (fname.c_str ()); |
|
|
817 if (file_exist) |
|
|
818 file_exist.close (); |
|
|
819 else |
|
|
820 { |
|
|
821 fname.append (".mat"); |
|
|
822 std::ifstream file_mat_exist (fname.c_str ()); |
|
|
823 if (file_mat_exist) |
|
|
824 file_mat_exist.close (); |
|
|
825 else |
|
|
826 { |
|
5369
|
827 gripe_file_open ("load", orig_fname); |
|
5089
|
828 return retval; |
|
|
829 } |
|
|
830 } |
|
|
831 |
|
863
|
832 if (format == LS_UNKNOWN) |
|
5269
|
833 format = get_file_format (fname, orig_fname, use_zlib); |
|
863
|
834 |
|
3687
|
835 #ifdef HAVE_HDF5 |
|
|
836 if (format == LS_HDF5) |
|
|
837 { |
|
|
838 i++; |
|
|
839 |
|
5089
|
840 hdf5_ifstream hdf5_file (fname.c_str ()); |
|
3687
|
841 |
|
5089
|
842 if (hdf5_file.file_id >= 0) |
|
|
843 { |
|
|
844 retval = do_load (hdf5_file, orig_fname, force, format, |
|
|
845 flt_fmt, list_only, swap, verbose, |
|
|
846 argv, i, argc, nargout); |
|
4844
|
847 |
|
5089
|
848 hdf5_file.close (); |
|
3687
|
849 } |
|
4845
|
850 else |
|
5369
|
851 gripe_file_open ("load", orig_fname); |
|
3687
|
852 } |
|
|
853 else |
|
|
854 #endif /* HAVE_HDF5 */ |
|
|
855 // don't insert any statements here; the "else" above has to |
|
|
856 // go with the "if" below!!!!! |
|
863
|
857 if (format != LS_UNKNOWN) |
|
|
858 { |
|
1755
|
859 i++; |
|
863
|
860 |
|
3775
|
861 std::ios::openmode mode = std::ios::in; |
|
4791
|
862 |
|
|
863 if (format == LS_BINARY |
|
|
864 #ifdef HAVE_HDF5 |
|
|
865 || format == LS_HDF5 |
|
|
866 #endif |
|
|
867 || format == LS_MAT_BINARY |
|
5269
|
868 || format == LS_MAT5_BINARY |
|
|
869 || format == LS_MAT7_BINARY) |
|
3552
|
870 mode |= std::ios::binary; |
|
863
|
871 |
|
5269
|
872 #ifdef HAVE_ZLIB |
|
|
873 if (use_zlib) |
|
|
874 { |
|
|
875 gzifstream file (fname.c_str (), mode); |
|
863
|
876 |
|
5269
|
877 if (file) |
|
863
|
878 { |
|
5269
|
879 if (format == LS_BINARY) |
|
|
880 { |
|
|
881 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
|
|
882 { |
|
|
883 if (file) file.close (); |
|
|
884 return retval; |
|
|
885 } |
|
|
886 } |
|
|
887 else if (format == LS_MAT5_BINARY |
|
|
888 || format == LS_MAT7_BINARY) |
|
863
|
889 { |
|
5269
|
890 if (read_mat5_binary_file_header (file, swap, false) < 0) |
|
|
891 { |
|
|
892 if (file) file.close (); |
|
|
893 return retval; |
|
|
894 } |
|
863
|
895 } |
|
5269
|
896 |
|
|
897 retval = do_load (file, orig_fname, force, format, |
|
|
898 flt_fmt, list_only, swap, verbose, |
|
|
899 argv, i, argc, nargout); |
|
|
900 |
|
|
901 file.close (); |
|
863
|
902 } |
|
5269
|
903 else |
|
5369
|
904 gripe_file_open ("load", orig_fname); |
|
863
|
905 } |
|
|
906 else |
|
5269
|
907 #endif |
|
|
908 { |
|
|
909 std::ifstream file (fname.c_str (), mode); |
|
|
910 |
|
|
911 if (file) |
|
|
912 { |
|
|
913 if (format == LS_BINARY) |
|
|
914 { |
|
|
915 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
|
|
916 { |
|
|
917 if (file) file.close (); |
|
|
918 return retval; |
|
|
919 } |
|
|
920 } |
|
|
921 else if (format == LS_MAT5_BINARY |
|
|
922 || format == LS_MAT7_BINARY) |
|
|
923 { |
|
|
924 if (read_mat5_binary_file_header (file, swap, false) < 0) |
|
|
925 { |
|
|
926 if (file) file.close (); |
|
|
927 return retval; |
|
|
928 } |
|
|
929 } |
|
|
930 |
|
|
931 retval = do_load (file, orig_fname, force, format, |
|
|
932 flt_fmt, list_only, swap, verbose, |
|
|
933 argv, i, argc, nargout); |
|
|
934 |
|
|
935 file.close (); |
|
|
936 } |
|
|
937 else |
|
5369
|
938 error ("load: unable open input file `%s'", |
|
5269
|
939 orig_fname.c_str ()); |
|
|
940 } |
|
863
|
941 } |
|
|
942 } |
|
5269
|
943 |
|
604
|
944 return retval; |
|
|
945 } |
|
|
946 |
|
3019
|
947 // Return TRUE if PATTERN has any special globbing chars in it. |
|
|
948 |
|
|
949 static bool |
|
3523
|
950 glob_pattern_p (const std::string& pattern) |
|
604
|
951 { |
|
|
952 int open = 0; |
|
|
953 |
|
1755
|
954 int len = pattern.length (); |
|
|
955 |
|
|
956 for (int i = 0; i < len; i++) |
|
604
|
957 { |
|
1755
|
958 char c = pattern[i]; |
|
|
959 |
|
604
|
960 switch (c) |
|
|
961 { |
|
|
962 case '?': |
|
|
963 case '*': |
|
3019
|
964 return true; |
|
604
|
965 |
|
|
966 case '[': // Only accept an open brace if there is a close |
|
|
967 open++; // brace to match it. Bracket expressions must be |
|
|
968 continue; // complete, according to Posix.2 |
|
|
969 |
|
|
970 case ']': |
|
|
971 if (open) |
|
3019
|
972 return true; |
|
604
|
973 continue; |
|
4402
|
974 |
|
604
|
975 case '\\': |
|
1755
|
976 if (i == len - 1) |
|
3019
|
977 return false; |
|
604
|
978 |
|
|
979 default: |
|
|
980 continue; |
|
|
981 } |
|
|
982 } |
|
|
983 |
|
3019
|
984 return false; |
|
604
|
985 } |
|
|
986 |
|
4791
|
987 static void |
|
|
988 do_save (std::ostream& os, const octave_value& tc, |
|
|
989 const std::string& name, const std::string& help, |
|
|
990 int global, load_save_format fmt, bool save_as_floats, |
|
|
991 bool& infnan_warned) |
|
604
|
992 { |
|
|
993 switch (fmt) |
|
|
994 { |
|
|
995 case LS_ASCII: |
|
5958
|
996 save_ascii_data (os, tc, name, infnan_warned, global, 0); |
|
604
|
997 break; |
|
|
998 |
|
|
999 case LS_BINARY: |
|
630
|
1000 save_binary_data (os, tc, name, help, global, save_as_floats); |
|
604
|
1001 break; |
|
|
1002 |
|
5938
|
1003 case LS_MAT_ASCII: |
|
|
1004 case LS_MAT_ASCII_LONG: |
|
|
1005 if (! save_mat_ascii_data (os, tc, fmt == LS_MAT_ASCII ? 8 : 16)) |
|
|
1006 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
|
|
1007 break; |
|
|
1008 |
|
667
|
1009 case LS_MAT_BINARY: |
|
|
1010 save_mat_binary_data (os, tc, name); |
|
|
1011 break; |
|
|
1012 |
|
3687
|
1013 #ifdef HAVE_HDF5 |
|
|
1014 case LS_HDF5: |
|
|
1015 save_hdf5_data (os, tc, name, help, global, save_as_floats); |
|
|
1016 break; |
|
|
1017 #endif /* HAVE_HDF5 */ |
|
|
1018 |
|
3688
|
1019 case LS_MAT5_BINARY: |
|
5269
|
1020 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
|
|
1021 break; |
|
|
1022 |
|
|
1023 case LS_MAT7_BINARY: |
|
|
1024 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); |
|
3688
|
1025 break; |
|
|
1026 |
|
604
|
1027 default: |
|
775
|
1028 gripe_unrecognized_data_fmt ("save"); |
|
604
|
1029 break; |
|
|
1030 } |
|
|
1031 } |
|
|
1032 |
|
4791
|
1033 // Save the info from SR on stream OS in the format specified by FMT. |
|
|
1034 |
|
|
1035 void |
|
|
1036 do_save (std::ostream& os, symbol_record *sr, load_save_format fmt, |
|
|
1037 bool save_as_floats, bool& infnan_warned) |
|
|
1038 { |
|
|
1039 if (! sr->is_variable ()) |
|
|
1040 { |
|
|
1041 error ("save: can only save variables, not functions"); |
|
|
1042 return; |
|
|
1043 } |
|
|
1044 |
|
|
1045 octave_value tc = sr->def (); |
|
|
1046 |
|
|
1047 if (tc.is_defined ()) |
|
|
1048 { |
|
|
1049 std::string name = sr->name (); |
|
|
1050 std::string help = sr->help (); |
|
|
1051 |
|
|
1052 int global = sr->is_linked_to_global (); |
|
|
1053 |
|
|
1054 do_save (os, tc, name, help, global, fmt, save_as_floats, |
|
|
1055 infnan_warned); |
|
|
1056 } |
|
|
1057 } |
|
|
1058 |
|
604
|
1059 // Save variables with names matching PATTERN on stream OS in the |
|
5794
|
1060 // format specified by FMT. |
|
604
|
1061 |
|
|
1062 static int |
|
5794
|
1063 save_vars (std::ostream& os, const std::string& pattern, |
|
4791
|
1064 load_save_format fmt, bool save_as_floats) |
|
604
|
1065 { |
|
3355
|
1066 Array<symbol_record *> vars = curr_sym_tab->glob |
|
|
1067 (pattern, symbol_record::USER_VARIABLE, SYMTAB_ALL_SCOPES); |
|
|
1068 |
|
|
1069 int saved = vars.length (); |
|
|
1070 |
|
3738
|
1071 bool infnan_warned = false; |
|
|
1072 |
|
3355
|
1073 for (int i = 0; i < saved; i++) |
|
620
|
1074 { |
|
4791
|
1075 do_save (os, vars(i), fmt, save_as_floats, infnan_warned); |
|
620
|
1076 |
|
|
1077 if (error_state) |
|
|
1078 break; |
|
|
1079 } |
|
604
|
1080 |
|
|
1081 return saved; |
|
|
1082 } |
|
|
1083 |
|
5284
|
1084 static int |
|
|
1085 parse_save_options (const string_vector &argv, int argc, |
|
|
1086 load_save_format &format, bool &append, |
|
5794
|
1087 bool &save_as_floats, bool &use_zlib, int start_arg) |
|
604
|
1088 { |
|
5284
|
1089 int i; |
|
|
1090 for (i = start_arg; i < argc; i++) |
|
|
1091 { |
|
|
1092 if (argv[i] == "-append") |
|
|
1093 { |
|
|
1094 append = true; |
|
|
1095 } |
|
|
1096 else if (argv[i] == "-ascii" || argv[i] == "-a") |
|
|
1097 { |
|
5938
|
1098 format = LS_MAT_ASCII; |
|
5284
|
1099 } |
|
|
1100 else if (argv[i] == "-text" || argv[i] == "-t") |
|
|
1101 { |
|
|
1102 format = LS_ASCII; |
|
|
1103 } |
|
|
1104 else if (argv[i] == "-binary" || argv[i] == "-b") |
|
|
1105 { |
|
|
1106 format = LS_BINARY; |
|
|
1107 } |
|
|
1108 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
|
|
1109 { |
|
3687
|
1110 #ifdef HAVE_HDF5 |
|
5284
|
1111 format = LS_HDF5; |
|
|
1112 #else /* ! HAVE_HDF5 */ |
|
|
1113 error ("save: octave executable was not linked with HDF5 library"); |
|
|
1114 #endif /* ! HAVE_HDF5 */ |
|
|
1115 } |
|
|
1116 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
|
|
1117 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
|
|
1118 || argv[i] == "-V6") |
|
|
1119 { |
|
|
1120 format = LS_MAT5_BINARY; |
|
|
1121 } |
|
|
1122 #ifdef HAVE_ZLIB |
|
|
1123 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
|
|
1124 || argv[i] == "-v7" || argv[i] == "-V7") |
|
|
1125 { |
|
|
1126 format = LS_MAT7_BINARY; |
|
|
1127 } |
|
|
1128 #endif |
|
|
1129 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
|
|
1130 || argv[i] == "-v4" || argv[i] == "-4") |
|
|
1131 { |
|
|
1132 format = LS_MAT_BINARY; |
|
|
1133 } |
|
|
1134 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
|
|
1135 { |
|
|
1136 format = LS_BINARY; |
|
|
1137 save_as_floats = true; |
|
|
1138 } |
|
|
1139 else if (argv[i] == "-float-hdf5") |
|
|
1140 { |
|
|
1141 #ifdef HAVE_HDF5 |
|
|
1142 format = LS_HDF5; |
|
|
1143 save_as_floats = true; |
|
|
1144 #else /* ! HAVE_HDF5 */ |
|
|
1145 error ("save: octave executable was not linked with HDF5 library"); |
|
|
1146 #endif /* ! HAVE_HDF5 */ |
|
|
1147 } |
|
|
1148 #ifdef HAVE_ZLIB |
|
|
1149 else if (argv[i] == "-zip" || argv[i] == "-z") |
|
|
1150 { |
|
|
1151 use_zlib = true; |
|
|
1152 } |
|
|
1153 #endif |
|
|
1154 else |
|
|
1155 break; |
|
|
1156 } |
|
|
1157 |
|
|
1158 return i; |
|
|
1159 } |
|
|
1160 |
|
|
1161 static int |
|
|
1162 parse_save_options (const std::string &arg, load_save_format &format, |
|
|
1163 bool &append, bool &save_as_floats, |
|
5794
|
1164 bool &use_zlib, int start_arg) |
|
5284
|
1165 { |
|
5765
|
1166 std::istringstream is (arg); |
|
5284
|
1167 std::string str; |
|
|
1168 int argc = 0; |
|
|
1169 string_vector argv; |
|
|
1170 |
|
5765
|
1171 while (! is.eof ()) |
|
5284
|
1172 { |
|
|
1173 is >> str; |
|
|
1174 argv.append (str); |
|
|
1175 argc++; |
|
|
1176 } |
|
|
1177 |
|
|
1178 return parse_save_options (argv, argc, format, append, save_as_floats, |
|
5794
|
1179 use_zlib, start_arg); |
|
604
|
1180 } |
|
|
1181 |
|
4329
|
1182 void |
|
3523
|
1183 write_header (std::ostream& os, load_save_format format) |
|
863
|
1184 { |
|
3185
|
1185 switch (format) |
|
863
|
1186 { |
|
3185
|
1187 case LS_BINARY: |
|
|
1188 { |
|
|
1189 os << (oct_mach_info::words_big_endian () |
|
|
1190 ? "Octave-1-B" : "Octave-1-L"); |
|
|
1191 |
|
|
1192 oct_mach_info::float_format flt_fmt = |
|
|
1193 oct_mach_info::native_float_format (); |
|
|
1194 |
|
5760
|
1195 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
|
3185
|
1196 |
|
5760
|
1197 os.write (&tmp, 1); |
|
3185
|
1198 } |
|
3688
|
1199 break; |
|
|
1200 |
|
|
1201 case LS_MAT5_BINARY: |
|
5269
|
1202 case LS_MAT7_BINARY: |
|
3688
|
1203 { |
|
3775
|
1204 char const * versionmagic; |
|
5828
|
1205 int16_t number = *(int16_t *)"\x00\x01"; |
|
3688
|
1206 struct tm bdt; |
|
|
1207 time_t now; |
|
|
1208 char headertext[128]; |
|
|
1209 |
|
|
1210 time (&now); |
|
|
1211 bdt = *gmtime (&now); |
|
|
1212 memset (headertext, ' ', 124); |
|
|
1213 // ISO 8601 format date |
|
|
1214 strftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
|
5760
|
1215 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt); |
|
3688
|
1216 |
|
|
1217 // The first pair of bytes give the version of the MAT file |
|
|
1218 // format. The second pair of bytes form a magic number which |
|
|
1219 // signals a MAT file. MAT file data are always written in |
|
|
1220 // native byte order. The order of the bytes in the second |
|
|
1221 // pair indicates whether the file was written by a big- or |
|
|
1222 // little-endian machine. However, the version number is |
|
|
1223 // written in the *opposite* byte order from everything else! |
|
|
1224 if (number == 1) |
|
|
1225 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
|
|
1226 else |
|
|
1227 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
|
|
1228 |
|
|
1229 memcpy (headertext+124, versionmagic, 4); |
|
|
1230 os.write (headertext, 128); |
|
|
1231 } |
|
|
1232 |
|
|
1233 break; |
|
3185
|
1234 |
|
3687
|
1235 #ifdef HAVE_HDF5 |
|
|
1236 case LS_HDF5: |
|
|
1237 #endif /* HAVE_HDF5 */ |
|
3185
|
1238 case LS_ASCII: |
|
|
1239 { |
|
3709
|
1240 octave_localtime now; |
|
|
1241 |
|
|
1242 std::string comment_string = now.strftime (Vsave_header_format_string); |
|
|
1243 |
|
|
1244 if (! comment_string.empty ()) |
|
|
1245 { |
|
3687
|
1246 #ifdef HAVE_HDF5 |
|
3709
|
1247 if (format == LS_HDF5) |
|
|
1248 { |
|
5760
|
1249 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
|
3709
|
1250 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
|
|
1251 } |
|
|
1252 else |
|
3687
|
1253 #endif /* HAVE_HDF5 */ |
|
3709
|
1254 os << comment_string << "\n"; |
|
3687
|
1255 } |
|
3185
|
1256 } |
|
|
1257 break; |
|
|
1258 |
|
|
1259 default: |
|
|
1260 break; |
|
863
|
1261 } |
|
|
1262 } |
|
|
1263 |
|
|
1264 static void |
|
3769
|
1265 save_vars (const string_vector& argv, int argv_idx, int argc, |
|
5794
|
1266 std::ostream& os, load_save_format fmt, |
|
3185
|
1267 bool save_as_floats, bool write_header_info) |
|
863
|
1268 { |
|
3185
|
1269 if (write_header_info) |
|
|
1270 write_header (os, fmt); |
|
863
|
1271 |
|
1755
|
1272 if (argv_idx == argc) |
|
863
|
1273 { |
|
5794
|
1274 save_vars (os, "*", fmt, save_as_floats); |
|
863
|
1275 } |
|
|
1276 else |
|
|
1277 { |
|
1755
|
1278 for (int i = argv_idx; i < argc; i++) |
|
863
|
1279 { |
|
5794
|
1280 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
|
863
|
1281 { |
|
1755
|
1282 warning ("save: no such variable `%s'", argv[i].c_str ()); |
|
863
|
1283 } |
|
|
1284 } |
|
|
1285 } |
|
|
1286 } |
|
|
1287 |
|
5284
|
1288 static void |
|
|
1289 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, |
|
|
1290 bool save_as_floats) |
|
4791
|
1291 { |
|
|
1292 write_header (os, fmt); |
|
|
1293 |
|
|
1294 Array<symbol_record *> vars = curr_sym_tab->glob |
|
|
1295 ("*", symbol_record::USER_VARIABLE, SYMTAB_ALL_SCOPES); |
|
|
1296 |
|
|
1297 int num_to_save = vars.length (); |
|
|
1298 |
|
|
1299 bool infnan_warned = false; |
|
|
1300 |
|
|
1301 double save_mem_size = 0; |
|
|
1302 |
|
|
1303 for (int i = 0; i < num_to_save; i++) |
|
|
1304 { |
|
|
1305 symbol_record *sr = vars(i); |
|
|
1306 |
|
|
1307 if (sr->is_variable ()) |
|
|
1308 { |
|
|
1309 octave_value tc = sr->def (); |
|
|
1310 |
|
|
1311 if (tc.is_defined ()) |
|
|
1312 { |
|
|
1313 double tc_size = tc.byte_size () / 1024; |
|
|
1314 |
|
5775
|
1315 // FIXME -- maybe we should try to throw out the |
|
4791
|
1316 // largest first... |
|
|
1317 |
|
|
1318 if (Voctave_core_file_limit < 0 |
|
|
1319 || save_mem_size + tc_size < Voctave_core_file_limit) |
|
|
1320 { |
|
|
1321 save_mem_size += tc_size; |
|
|
1322 |
|
|
1323 std::string name = sr->name (); |
|
|
1324 std::string help = sr->help (); |
|
|
1325 |
|
|
1326 int global = sr->is_linked_to_global (); |
|
|
1327 |
|
5284
|
1328 do_save (os, tc, name, help, global, fmt, save_as_floats, |
|
4791
|
1329 infnan_warned); |
|
|
1330 |
|
|
1331 if (error_state) |
|
|
1332 break; |
|
|
1333 } |
|
|
1334 } |
|
|
1335 } |
|
|
1336 } |
|
|
1337 |
|
|
1338 message (0, "save to `%s' complete", fname); |
|
|
1339 } |
|
|
1340 |
|
|
1341 void |
|
|
1342 dump_octave_core (void) |
|
1380
|
1343 { |
|
3189
|
1344 if (Vcrash_dumps_octave_core) |
|
1380
|
1345 { |
|
5775
|
1346 // FIXME -- should choose better file name? |
|
3189
|
1347 |
|
4791
|
1348 const char *fname = Voctave_core_file_name.c_str (); |
|
3189
|
1349 |
|
|
1350 message (0, "attempting to save variables to `%s'...", fname); |
|
|
1351 |
|
5284
|
1352 load_save_format format = LS_BINARY; |
|
|
1353 |
|
|
1354 bool save_as_floats = false; |
|
|
1355 |
|
|
1356 bool append = false; |
|
3189
|
1357 |
|
5284
|
1358 bool use_zlib = false; |
|
|
1359 |
|
|
1360 parse_save_options (Voctave_core_file_options, format, append, |
|
5794
|
1361 save_as_floats, use_zlib, 0); |
|
5284
|
1362 |
|
|
1363 std::ios::openmode mode = std::ios::out; |
|
4791
|
1364 |
|
|
1365 if (format == LS_BINARY |
|
|
1366 #ifdef HAVE_HDF5 |
|
|
1367 || format == LS_HDF5 |
|
|
1368 #endif |
|
|
1369 || format == LS_MAT_BINARY |
|
5269
|
1370 || format == LS_MAT5_BINARY |
|
|
1371 || format == LS_MAT7_BINARY) |
|
3552
|
1372 mode |= std::ios::binary; |
|
3189
|
1373 |
|
5284
|
1374 mode |= append ? std::ios::ate : std::ios::trunc; |
|
|
1375 |
|
3687
|
1376 #ifdef HAVE_HDF5 |
|
|
1377 if (format == LS_HDF5) |
|
3189
|
1378 { |
|
3687
|
1379 hdf5_ofstream file (fname); |
|
|
1380 |
|
|
1381 if (file.file_id >= 0) |
|
|
1382 { |
|
5284
|
1383 dump_octave_core (file, fname, format, save_as_floats); |
|
3687
|
1384 |
|
|
1385 file.close (); |
|
|
1386 } |
|
|
1387 else |
|
|
1388 warning ("unable to open `%s' for writing...", fname); |
|
3189
|
1389 } |
|
|
1390 else |
|
3687
|
1391 #endif /* HAVE_HDF5 */ |
|
|
1392 // don't insert any commands here! The open brace below must |
|
|
1393 // go with the else above! |
|
|
1394 { |
|
5284
|
1395 #ifdef HAVE_ZLIB |
|
|
1396 if (use_zlib) |
|
3687
|
1397 { |
|
5284
|
1398 gzofstream file (fname, mode); |
|
4791
|
1399 |
|
5284
|
1400 if (file) |
|
|
1401 { |
|
|
1402 dump_octave_core (file, fname, format, save_as_floats); |
|
|
1403 |
|
|
1404 file.close (); |
|
|
1405 } |
|
|
1406 else |
|
|
1407 warning ("unable to open `%s' for writing...", fname); |
|
3687
|
1408 } |
|
|
1409 else |
|
5284
|
1410 #endif |
|
|
1411 { |
|
|
1412 std::ofstream file (fname, mode); |
|
|
1413 |
|
|
1414 if (file) |
|
|
1415 { |
|
|
1416 dump_octave_core (file, fname, format, save_as_floats); |
|
|
1417 |
|
|
1418 file.close (); |
|
|
1419 } |
|
|
1420 else |
|
|
1421 warning ("unable to open `%s' for writing...", fname); |
|
|
1422 } |
|
3687
|
1423 } |
|
1380
|
1424 } |
|
|
1425 } |
|
|
1426 |
|
5269
|
1427 #ifdef HAVE_ZLIB |
|
|
1428 #define HAVE_ZLIB_HELP_STRING "" |
|
|
1429 #else /* ! HAVE_ZLIB */ |
|
|
1430 #define HAVE_ZLIB_HELP_STRING "\n\ |
|
|
1431 This option is not available, as this Octave executable was not linked with\n\ |
|
|
1432 the zlib library." |
|
|
1433 #endif /* ! HAVE ZLIB */ |
|
|
1434 |
|
4208
|
1435 DEFCMD (save, args, , |
|
3372
|
1436 "-*- texinfo -*-\n\ |
|
5665
|
1437 @deffn {Command} save options file @var{v1} @var{v2} @dots{}\n\ |
|
3372
|
1438 Save the named variables @var{v1}, @var{v2}, @dots{} in the file\n\ |
|
|
1439 @var{file}. The special filename @samp{-} can be used to write the\n\ |
|
|
1440 output to your terminal. If no variable names are listed, Octave saves\n\ |
|
|
1441 all the variables in the current scope. Valid options for the\n\ |
|
|
1442 @code{save} command are listed in the following table. Options that\n\ |
|
5794
|
1443 modify the output format override the format specified by\n\ |
|
|
1444 @code{default_save_options}.\n\ |
|
3372
|
1445 \n\ |
|
5665
|
1446 If save is invoked using the functional form\n\ |
|
|
1447 \n\ |
|
|
1448 @example\n\ |
|
|
1449 save (\"-text\", \"file.txt\", \"a\")\n\ |
|
|
1450 @end example\n\ |
|
|
1451 \n\ |
|
|
1452 @noindent\n\ |
|
|
1453 then the @var{options}, @var{file}, and variable name arguments\n\ |
|
|
1454 (@var{vname1}, @dots{}) must be specified as character strings.\n\ |
|
|
1455 \n\ |
|
3372
|
1456 @table @code\n\ |
|
|
1457 @item -ascii\n\ |
|
5938
|
1458 Save a single matrix in a text file.\n\ |
|
5197
|
1459 \n\ |
|
3372
|
1460 @item -binary\n\ |
|
|
1461 Save the data in Octave's binary data format.\n\ |
|
|
1462 \n\ |
|
|
1463 @item -float-binary\n\ |
|
|
1464 Save the data in Octave's binary data format but only using single\n\ |
|
|
1465 precision. You should use this format only if you know that all the\n\ |
|
|
1466 values to be saved can be represented in single precision.\n\ |
|
|
1467 \n\ |
|
5269
|
1468 @item -V7\n\ |
|
|
1469 @itemx -v7\n\ |
|
|
1470 @itemx -7\n\ |
|
|
1471 @itemx -mat7-binary\n\ |
|
|
1472 Save the data in @sc{Matlab}'s v7 binary data format.\n" |
|
|
1473 |
|
|
1474 HAVE_ZLIB_HELP_STRING |
|
|
1475 |
|
|
1476 "\n\ |
|
|
1477 @item -V6\n\ |
|
5284
|
1478 @itemx -v6\n\ |
|
5269
|
1479 @itemx -6\n\ |
|
|
1480 @itemx -mat\n\ |
|
4884
|
1481 @itemx -mat-binary\n\ |
|
5269
|
1482 Save the data in @sc{Matlab}'s v6 binary data format.\n\ |
|
3372
|
1483 \n\ |
|
5256
|
1484 @item -V4\n\ |
|
|
1485 @itemx -v4\n\ |
|
|
1486 @itemx -4\n\ |
|
|
1487 @itemx -mat4-binary\n\ |
|
3688
|
1488 Save the data in the binary format written by @sc{Matlab} version 4.\n\ |
|
|
1489 \n\ |
|
3687
|
1490 @item -hdf5\n\ |
|
|
1491 Save the data in HDF5 format.\n\ |
|
|
1492 (HDF5 is a free, portable binary format developed by the National\n\ |
|
|
1493 Center for Supercomputing Applications at the University of Illinois.)\n" |
|
|
1494 |
|
|
1495 HAVE_HDF5_HELP_STRING |
|
|
1496 |
|
|
1497 "\n\ |
|
|
1498 @item -float-hdf5\n\ |
|
|
1499 Save the data in HDF5 format but only using single precision.\n\ |
|
|
1500 You should use this format only if you know that all the\n\ |
|
|
1501 values to be saved can be represented in single precision.\n\ |
|
|
1502 \n\ |
|
5269
|
1503 @item -zip\n\ |
|
|
1504 @itemx -z\n\ |
|
|
1505 Use the gzip algorithm to compress the file. This works equally on files that\n\ |
|
|
1506 are compressed with gzip outside of octave, and gzip can equally be used to\n\ |
|
5380
|
1507 convert the files for backward compatibility.\n" |
|
5322
|
1508 |
|
|
1509 HAVE_ZLIB_HELP_STRING |
|
|
1510 |
|
5269
|
1511 "@end table\n\ |
|
604
|
1512 \n\ |
|
3372
|
1513 The list of variables to save may include wildcard patterns containing\n\ |
|
|
1514 the following special characters:\n\ |
|
|
1515 @table @code\n\ |
|
|
1516 @item ?\n\ |
|
|
1517 Match any single character.\n\ |
|
|
1518 \n\ |
|
|
1519 @item *\n\ |
|
|
1520 Match zero or more characters.\n\ |
|
|
1521 \n\ |
|
|
1522 @item [ @var{list} ]\n\ |
|
|
1523 Match the list of characters specified by @var{list}. If the first\n\ |
|
|
1524 character is @code{!} or @code{^}, match all characters except those\n\ |
|
|
1525 specified by @var{list}. For example, the pattern @samp{[a-zA-Z]} will\n\ |
|
|
1526 match all lower and upper case alphabetic characters. \n\ |
|
5197
|
1527 \n\ |
|
5198
|
1528 @item -text\n\ |
|
5197
|
1529 Save the data in Octave's text data format.\n\ |
|
3372
|
1530 @end table\n\ |
|
|
1531 \n\ |
|
|
1532 Except when using the @sc{Matlab} binary data file format, saving global\n\ |
|
|
1533 variables also saves the global status of the variable, so that if it is\n\ |
|
|
1534 restored at a later time using @samp{load}, it will be restored as a\n\ |
|
|
1535 global variable.\n\ |
|
|
1536 \n\ |
|
|
1537 The command\n\ |
|
|
1538 \n\ |
|
|
1539 @example\n\ |
|
|
1540 save -binary data a b*\n\ |
|
|
1541 @end example\n\ |
|
|
1542 \n\ |
|
|
1543 @noindent\n\ |
|
|
1544 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ |
|
|
1545 the file @file{data} in Octave's binary format.\n\ |
|
|
1546 @end deffn") |
|
604
|
1547 { |
|
2086
|
1548 octave_value_list retval; |
|
604
|
1549 |
|
1755
|
1550 int argc = args.length () + 1; |
|
|
1551 |
|
1968
|
1552 string_vector argv = args.make_argv ("save"); |
|
1755
|
1553 |
|
|
1554 if (error_state) |
|
|
1555 return retval; |
|
604
|
1556 |
|
1358
|
1557 // Here is where we would get the default save format if it were |
|
|
1558 // stored in a user preference variable. |
|
604
|
1559 |
|
3019
|
1560 bool save_as_floats = false; |
|
630
|
1561 |
|
5284
|
1562 load_save_format format = LS_ASCII; |
|
604
|
1563 |
|
3185
|
1564 bool append = false; |
|
|
1565 |
|
5269
|
1566 bool use_zlib = false; |
|
|
1567 |
|
5351
|
1568 load_save_format user_file_format = LS_UNKNOWN; |
|
|
1569 bool dummy; |
|
|
1570 |
|
|
1571 // Get user file format |
|
|
1572 parse_save_options (argv, argc, user_file_format, dummy, |
|
5794
|
1573 dummy, dummy, 1); |
|
5351
|
1574 |
|
|
1575 if (user_file_format == LS_UNKNOWN) |
|
|
1576 parse_save_options (Vdefault_save_options, format, append, save_as_floats, |
|
5794
|
1577 use_zlib, 0); |
|
5351
|
1578 |
|
5284
|
1579 int i = parse_save_options (argv, argc, format, append, save_as_floats, |
|
5794
|
1580 use_zlib, 1); |
|
5197
|
1581 |
|
5284
|
1582 if (error_state) |
|
|
1583 return retval; |
|
604
|
1584 |
|
2057
|
1585 if (i == argc) |
|
604
|
1586 { |
|
5823
|
1587 print_usage (); |
|
604
|
1588 return retval; |
|
|
1589 } |
|
|
1590 |
|
630
|
1591 if (save_as_floats && format == LS_ASCII) |
|
|
1592 { |
|
|
1593 error ("save: cannot specify both -ascii and -float-binary"); |
|
|
1594 return retval; |
|
|
1595 } |
|
|
1596 |
|
1755
|
1597 if (argv[i] == "-") |
|
604
|
1598 { |
|
1755
|
1599 i++; |
|
863
|
1600 |
|
3687
|
1601 #ifdef HAVE_HDF5 |
|
|
1602 if (format == LS_HDF5) |
|
4687
|
1603 error ("save: cannot write HDF5 format to stdout"); |
|
3687
|
1604 else |
|
|
1605 #endif /* HAVE_HDF5 */ |
|
|
1606 // don't insert any commands here! the brace below must go |
|
|
1607 // with the "else" above! |
|
|
1608 { |
|
5775
|
1609 // FIXME -- should things intended for the screen end up |
|
3687
|
1610 // in a octave_value (string)? |
|
|
1611 |
|
5794
|
1612 save_vars (argv, i, argc, octave_stdout, format, |
|
3687
|
1613 save_as_floats, true); |
|
|
1614 } |
|
604
|
1615 } |
|
1755
|
1616 |
|
|
1617 // Guard against things like `save a*', which are probably mistakes... |
|
|
1618 |
|
|
1619 else if (i == argc - 1 && glob_pattern_p (argv[i])) |
|
|
1620 { |
|
5823
|
1621 print_usage (); |
|
604
|
1622 return retval; |
|
|
1623 } |
|
|
1624 else |
|
|
1625 { |
|
3523
|
1626 std::string fname = file_ops::tilde_expand (argv[i]); |
|
1755
|
1627 |
|
|
1628 i++; |
|
604
|
1629 |
|
3775
|
1630 std::ios::openmode mode = std::ios::out; |
|
4791
|
1631 |
|
|
1632 if (format == LS_BINARY |
|
|
1633 #ifdef HAVE_HDF5 |
|
|
1634 || format == LS_HDF5 |
|
|
1635 #endif |
|
|
1636 || format == LS_MAT_BINARY |
|
5269
|
1637 || format == LS_MAT5_BINARY |
|
|
1638 || format == LS_MAT7_BINARY) |
|
3552
|
1639 mode |= std::ios::binary; |
|
3538
|
1640 |
|
|
1641 mode |= append ? std::ios::ate : std::ios::trunc; |
|
3185
|
1642 |
|
3687
|
1643 #ifdef HAVE_HDF5 |
|
|
1644 if (format == LS_HDF5) |
|
863
|
1645 { |
|
3687
|
1646 hdf5_ofstream hdf5_file (fname.c_str ()); |
|
|
1647 |
|
4687
|
1648 if (hdf5_file.file_id >= 0) |
|
|
1649 { |
|
5794
|
1650 save_vars (argv, i, argc, hdf5_file, format, |
|
4687
|
1651 save_as_floats, true); |
|
3687
|
1652 |
|
4687
|
1653 hdf5_file.close (); |
|
3687
|
1654 } |
|
|
1655 else |
|
|
1656 { |
|
5369
|
1657 gripe_file_open ("save", fname); |
|
3687
|
1658 return retval; |
|
|
1659 } |
|
863
|
1660 } |
|
|
1661 else |
|
3687
|
1662 #endif /* HAVE_HDF5 */ |
|
|
1663 // don't insert any statements here! The brace below must go |
|
|
1664 // with the "else" above! |
|
604
|
1665 { |
|
5269
|
1666 #ifdef HAVE_ZLIB |
|
|
1667 if (use_zlib) |
|
3687
|
1668 { |
|
5269
|
1669 gzofstream file (fname.c_str (), mode); |
|
|
1670 |
|
|
1671 if (file) |
|
|
1672 { |
|
5829
|
1673 bool write_header_info = ! file.tellp (); |
|
3687
|
1674 |
|
5794
|
1675 save_vars (argv, i, argc, file, format, |
|
5269
|
1676 save_as_floats, write_header_info); |
|
|
1677 |
|
|
1678 file.close (); |
|
|
1679 } |
|
|
1680 else |
|
|
1681 { |
|
5369
|
1682 gripe_file_open ("save", fname); |
|
5269
|
1683 return retval; |
|
|
1684 } |
|
3687
|
1685 } |
|
|
1686 else |
|
5269
|
1687 #endif |
|
3687
|
1688 { |
|
5269
|
1689 std::ofstream file (fname.c_str (), mode); |
|
|
1690 |
|
|
1691 if (file) |
|
|
1692 { |
|
5829
|
1693 bool write_header_info = ! file.tellp (); |
|
5269
|
1694 |
|
5794
|
1695 save_vars (argv, i, argc, file, format, |
|
5269
|
1696 save_as_floats, write_header_info); |
|
|
1697 |
|
|
1698 file.close (); |
|
|
1699 } |
|
|
1700 else |
|
|
1701 { |
|
5369
|
1702 gripe_file_open ("save", fname); |
|
5269
|
1703 return retval; |
|
|
1704 } |
|
3687
|
1705 } |
|
604
|
1706 } |
|
|
1707 } |
|
|
1708 |
|
|
1709 return retval; |
|
|
1710 } |
|
|
1711 |
|
5794
|
1712 DEFUN (crash_dumps_octave_core, args, nargout, |
|
|
1713 "-*- texinfo -*-\n\ |
|
|
1714 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
|
|
1715 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
|
|
1716 Query or set the internal variable that controls whether Octave tries\n\ |
|
|
1717 to save all current variables the the file \"octave-core\" if it\n\ |
|
|
1718 crashes or receives a hangup, terminate or similar signal.\n\ |
|
|
1719 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
|
|
1720 @end deftypefn") |
|
2194
|
1721 { |
|
5794
|
1722 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
|
2194
|
1723 } |
|
|
1724 |
|
5794
|
1725 DEFUN (default_save_options, args, nargout, |
|
|
1726 "-*- texinfo -*-\n\ |
|
|
1727 @deftypefn {Built-in Function} {@var{val} =} default_save_options ()\n\ |
|
|
1728 @deftypefnx {Built-in Function} {@var{old_val} =} default_save_options (@var{new_val})\n\ |
|
|
1729 Query or set the internal variable that specifies the default options\n\ |
|
|
1730 for the @code{save} command, and defines the default format.\n\ |
|
|
1731 Typical values include @code{\"-ascii\"}, @code{\"-ascii -zip\"}.\n\ |
|
|
1732 The default value is @code{-ascii}.\n\ |
|
|
1733 @seealso{save}\n\ |
|
|
1734 @end deftypefn") |
|
4788
|
1735 { |
|
5794
|
1736 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (default_save_options); |
|
4788
|
1737 } |
|
|
1738 |
|
5794
|
1739 DEFUN (octave_core_file_limit, args, nargout, |
|
|
1740 "-*- texinfo -*-\n\ |
|
|
1741 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
|
|
1742 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
|
|
1743 Query or set the internal variable that specifies the maximum amount\n\ |
|
|
1744 of memory (in kilobytes) of the top-level workspace that Octave will\n\ |
|
|
1745 attempt to save when writing data to the crash dump file (the name of\n\ |
|
|
1746 the file is specified by @var{octave_core_file_name}). If\n\ |
|
|
1747 @var{octave_core_file_options} flags specifies a binary format,\n\ |
|
|
1748 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
|
|
1749 size of the file. If a text file format is used, then the file could\n\ |
|
|
1750 be much larger than the limit. The default value is -1 (unlimited)\n\ |
|
|
1751 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
|
|
1752 @end deftypefn") |
|
3709
|
1753 { |
|
5794
|
1754 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
|
3709
|
1755 } |
|
|
1756 |
|
5794
|
1757 DEFUN (octave_core_file_name, args, nargout, |
|
|
1758 "-*- texinfo -*-\n\ |
|
|
1759 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
|
|
1760 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
|
|
1761 Query or set the internal variable that specifies the name of the file\n\ |
|
|
1762 used for saving data from the top-level workspace if Octave aborts.\n\ |
|
|
1763 The default value is @code{\"octave-core\"}\n\ |
|
|
1764 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
|
|
1765 @end deftypefn") |
|
2194
|
1766 { |
|
5794
|
1767 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
|
|
1768 } |
|
4791
|
1769 |
|
5794
|
1770 DEFUN (octave_core_file_options, args, nargout, |
|
|
1771 "-*- texinfo -*-\n\ |
|
|
1772 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
|
|
1773 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
|
|
1774 Query or set the internal variable that specifies the options used for\n\ |
|
|
1775 saving the workspace data if Octave aborts. The value of\n\ |
|
|
1776 @code{octave_core_file_options} should follow the same format as the\n\ |
|
|
1777 options for the @code{save} function. The default value is Octave's binary\n\ |
|
5284
|
1778 format.\n\ |
|
5642
|
1779 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
|
5794
|
1780 @end deftypefn") |
|
|
1781 { |
|
|
1782 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); |
|
|
1783 } |
|
2194
|
1784 |
|
5794
|
1785 DEFUN (save_header_format_string, args, nargout, |
|
|
1786 "-*- texinfo -*-\n\ |
|
|
1787 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
|
|
1788 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
|
|
1789 Query or set the internal variable that specifies the format\n\ |
|
|
1790 string used for the comment line written at the beginning of\n\ |
|
|
1791 text-format data files saved by Octave. The format string is\n\ |
|
|
1792 passed to @code{strftime} and should begin with the character\n\ |
|
|
1793 @samp{#} and contain no newline characters. If the value of\n\ |
|
|
1794 @code{save_header_format_string} is the empty string,\n\ |
|
3709
|
1795 the header comment is omitted from text-format data files. The\n\ |
|
|
1796 default value is\n\ |
|
|
1797 \n\ |
|
|
1798 @example\n\ |
|
4060
|
1799 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
|
3709
|
1800 @end example\n\ |
|
|
1801 @seealso{strftime}\n\ |
|
5794
|
1802 @end deftypefn") |
|
|
1803 { |
|
|
1804 return SET_INTERNAL_VARIABLE (save_header_format_string); |
|
2194
|
1805 } |
|
|
1806 |
|
604
|
1807 /* |
|
|
1808 ;;; Local Variables: *** |
|
|
1809 ;;; mode: C++ *** |
|
|
1810 ;;; End: *** |
|
|
1811 */ |
