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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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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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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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1192
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24 #include <config.h> |
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523
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25 #endif |
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26 |
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1341
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27 #include <cerrno> |
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28 #include <cstdio> |
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29 #include <cstddef> |
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30 #include <cstdlib> |
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31 #include <cstring> |
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32 |
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1728
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33 #include <string> |
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34 |
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523
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35 #include <strstream.h> |
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36 |
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1832
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37 #ifdef HAVE_UNISTD_H |
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2442
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38 #ifdef HAVE_SYS_TYPES_H |
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1832
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39 #include <sys/types.h> |
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2442
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40 #endif |
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1832
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41 #include <unistd.h> |
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42 #endif |
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43 |
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2926
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44 #include "file-ops.h" |
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45 #include "file-stat.h" |
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46 #include "glob-match.h" |
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47 #include "oct-env.h" |
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1755
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48 #include "str-vec.h" |
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49 |
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1355
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50 #include "defun.h" |
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1781
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51 #include "dir-ops.h" |
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1355
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52 #include "dirfns.h" |
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53 #include "error.h" |
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1402
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54 #include "gripes.h" |
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1389
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55 #include "help.h" |
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1750
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56 #include "oct-obj.h" |
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1355
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57 #include "pager.h" |
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58 #include "procstream.h" |
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1750
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59 #include "pt-plot.h" |
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1355
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60 #include "sysdep.h" |
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1750
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61 #include "toplev.h" |
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1449
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62 #include "unwind-prot.h" |
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523
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63 #include "utils.h" |
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1742
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64 #include "variables.h" |
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65 |
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66 // XXX FIXME XXX -- changing the plotter directory should be handled |
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67 // by registering a function for octave_env::chdir to call so that |
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68 // this function can be eliminated. |
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69 |
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1328
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70 static int |
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71 octave_change_to_directory (const string& newdir) |
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1328
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72 { |
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73 int cd_ok = octave_env::chdir (newdir); |
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1328
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74 |
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75 if (cd_ok) |
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76 do_external_plotter_cd (newdir); |
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77 else |
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1755
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78 error ("%s: %s", newdir.c_str (), strerror (errno)); |
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79 |
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80 return cd_ok; |
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81 } |
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82 |
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1957
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83 DEFUN_TEXT (cd, args, , |
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84 "cd [dir]\n\ |
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85 \n\ |
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86 change current working directory\n\ |
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87 if no arguments are given, the current directory is changed to the\n\ |
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88 users home directory") |
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89 { |
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2086
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90 octave_value_list retval; |
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91 |
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92 int argc = args.length () + 1; |
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93 |
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1965
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94 string_vector argv = args.make_argv ("cd"); |
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95 |
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96 if (error_state) |
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97 return retval; |
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98 |
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99 if (argc > 1) |
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100 { |
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2926
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101 string dirname = file_ops::tilde_expand (argv[1]); |
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102 |
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103 if (dirname.length () > 0 |
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104 && ! octave_change_to_directory (dirname)) |
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523
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105 { |
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106 return retval; |
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107 } |
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108 } |
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109 else |
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110 { |
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2926
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111 string home_dir = octave_env::get_home_directory (); |
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112 |
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113 if (home_dir.empty () || ! octave_change_to_directory (home_dir)) |
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114 return retval; |
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115 } |
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116 |
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117 return retval; |
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118 } |
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119 |
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611
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120 DEFALIAS (chdir, cd); |
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121 |
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661
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122 // Get a directory listing. |
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123 |
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1965
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124 static void |
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125 cleanup_iprocstream (void *p) |
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126 { |
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2800
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127 delete static_cast <iprocstream *> (p); |
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1965
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128 } |
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129 |
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1957
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130 DEFUN_TEXT (ls, args, , |
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131 "ls [options]\n\ |
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132 \n\ |
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133 print a directory listing") |
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134 { |
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2086
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135 octave_value_list retval; |
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136 |
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137 int argc = args.length () + 1; |
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138 |
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1965
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139 string_vector argv = args.make_argv ("ls"); |
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140 |
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141 if (error_state) |
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142 return retval; |
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143 |
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144 ostrstream ls_buf; |
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145 |
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146 ls_buf << "ls -C "; |
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147 for (int i = 1; i < argc; i++) |
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148 ls_buf << file_ops::tilde_expand (argv[i]) << " "; |
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149 |
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150 ls_buf << ends; |
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1449
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151 char *ls_command = ls_buf.str (); |
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152 |
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153 iprocstream *cmd = new iprocstream (ls_command); |
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154 |
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1469
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155 delete [] ls_command; |
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156 |
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1449
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157 add_unwind_protect (cleanup_iprocstream, cmd); |
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158 |
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1449
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159 if (cmd && *cmd) |
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160 { |
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161 int ch; |
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162 while ((ch = cmd->get ()) != EOF) |
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163 octave_stdout << (char) ch; |
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1449
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164 } |
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165 else |
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166 error ("couldn't start process for ls!"); |
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167 |
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1449
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168 run_unwind_protect (); |
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169 |
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170 return retval; |
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171 } |
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172 |
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549
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173 DEFALIAS (dir, ls); |
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174 |
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1957
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175 DEFUN (pwd, , nargout, |
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176 "pwd (): print current working directory") |
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177 { |
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2086
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178 octave_value_list retval; |
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179 |
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2926
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180 string directory = octave_env::getcwd (); |
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181 |
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2926
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182 if (directory.empty ()) |
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183 warning ("pwd: can't find working directory!"); |
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184 else |
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185 { |
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1592
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186 if (nargout == 0) |
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187 octave_stdout << directory << "\n"; |
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1592
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188 else |
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189 retval = directory; |
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190 } |
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1592
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191 |
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192 return retval; |
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193 } |
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194 |
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1957
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195 DEFUN (readdir, args, , |
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196 "[FILES, STATUS, MSG] = readdir (NAME)\n\ |
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197 \n\ |
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2802
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198 Return an array of strings containing the list of all files in the\n\ |
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199 named directory in FILES, or an empty matrix if an error occurs\n\ |
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200 \n\ |
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201 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\ |
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202 STATUS is nonzero and MSG contains a system-dependent error message.") |
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203 { |
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204 octave_value_list retval; |
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205 |
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206 retval(2) = string (); |
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207 retval(1) = -1.0; |
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208 retval(0) = Matrix (); |
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209 |
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210 if (args.length () == 1) |
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211 { |
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212 string dirname = args(0).string_value (); |
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213 |
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214 if (error_state) |
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215 gripe_wrong_type_arg ("readdir", args(0)); |
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216 else |
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217 { |
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218 dir_entry dir (file_ops::tilde_expand (dirname)); |
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219 |
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220 if (dir) |
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221 { |
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222 string_vector dirlist = dir.read (); |
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223 retval(0) = dirlist.qsort (); |
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224 retval(1) = 0.0; |
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225 } |
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226 else |
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227 { |
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228 retval(2) = dir.error (); |
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229 } |
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230 } |
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231 } |
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232 else |
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233 print_usage ("readdir"); |
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234 |
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235 return retval; |
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236 } |
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237 |
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238 // XXX FIXME XXX -- should probably also allow second arg to specify |
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239 // mode. |
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240 |
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1957
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241 DEFUN (mkdir, args, , |
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242 "[STATUS, MSG] = mkdir (NAME)\n\ |
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243 \n\ |
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244 Create the directory named by NAME.\n\ |
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245 \n\ |
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246 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\ |
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247 STATUS is nonzero and MSG contains a system-dependent error message.") |
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1401
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248 { |
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2086
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249 octave_value_list retval; |
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250 |
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2669
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251 retval(1) = string (); |
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252 retval(0) = -1.0; |
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253 |
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254 if (args.length () == 1) |
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255 { |
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256 string dirname = args(0).string_value (); |
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257 |
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258 if (error_state) |
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259 gripe_wrong_type_arg ("mkdir", args(0)); |
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260 else |
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261 { |
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2669
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262 string msg; |
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263 |
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2926
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264 int status = file_ops::mkdir (file_ops::tilde_expand (dirname), |
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265 0777, msg); |
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266 |
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2800
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267 retval(0) = static_cast<double> (status); |
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268 |
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269 if (status < 0) |
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270 retval(1) = msg; |
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271 } |
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272 } |
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273 else |
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274 print_usage ("mkdir"); |
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275 |
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276 return retval; |
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277 } |
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278 |
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1957
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279 DEFUN (rmdir, args, , |
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2669
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280 "[STATUS, MSG] = rmdir (NAME)\n\ |
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281 \n\ |
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282 Remove the directory named by NAME.\n\ |
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283 \n\ |
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284 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\ |
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285 STATUS is nonzero and MSG contains a system-dependent error message.") |
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1401
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286 { |
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2086
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287 octave_value_list retval; |
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288 |
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2669
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289 retval(1) = string (); |
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290 retval(0) = -1.0; |
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1401
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291 |
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292 if (args.length () == 1) |
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293 { |
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294 string dirname = args(0).string_value (); |
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1401
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295 |
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296 if (error_state) |
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1402
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297 gripe_wrong_type_arg ("rmdir", args(0)); |
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1489
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298 else |
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1401
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299 { |
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2669
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300 string msg; |
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301 |
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2926
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302 int status = file_ops::rmdir (file_ops::tilde_expand (dirname), msg); |
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1489
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303 |
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2800
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304 retval(0) = static_cast<double> (status); |
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2669
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305 |
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306 if (status < 0) |
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307 retval(1) = msg; |
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1401
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308 } |
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309 } |
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1389
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310 else |
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1401
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311 print_usage ("rmdir"); |
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312 |
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313 return retval; |
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314 } |
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315 |
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1957
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316 DEFUN (rename, args, , |
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317 "[STATUS, MSG] = rename (FROM, TO)\n\ |
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318 \n\ |
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2669
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319 Rename a file.\n\ |
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320 \n\ |
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321 If successful, STATUS is 0 and MSG is an empty string. Otherwise,\n\ |
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322 STATUS is nonzero and MSG contains a system-dependent error message.") |
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1401
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323 { |
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2086
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324 octave_value_list retval; |
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1401
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325 |
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2669
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326 retval(1) = string (); |
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327 retval(0) = -1.0; |
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1401
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328 |
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329 if (args.length () == 2) |
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330 { |
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1755
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331 string from = args(0).string_value (); |
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332 |
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1401
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333 if (error_state) |
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1402
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334 gripe_wrong_type_arg ("rename", args(0)); |
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335 else |
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1401
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336 { |
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1755
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337 string to = args(1).string_value (); |
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1728
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338 |
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1402
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339 if (error_state) |
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340 gripe_wrong_type_arg ("rename", args(1)); |
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2669
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341 else |
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1402
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342 { |
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2669
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343 string msg; |
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344 |
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2926
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345 int status = file_ops::rename (from, to, msg); |
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2669
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346 |
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2800
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347 retval(0) = static_cast<double> (status); |
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348 |
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349 if (status < 0) |
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350 retval(1) = msg; |
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1402
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351 } |
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1401
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352 } |
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353 } |
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354 else |
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355 print_usage ("rename"); |
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356 |
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1389
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357 return retval; |
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358 } |
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359 |
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2495
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360 DEFUN (glob, args, , |
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361 "glob (PATTERN)\n\ |
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362 \n\ |
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2496
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363 Given an array of strings in PATTERN, return the list of file names\n\ |
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364 that any of them, or an empty string if no patterns match. Tilde\n\ |
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365 expansion is performed on each of the patterns before looking for\n\ |
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2495
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366 matching file names.") |
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367 { |
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368 octave_value retval; |
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369 |
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370 if (args.length () == 1) |
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371 { |
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372 string_vector pat = args(0).all_strings (); |
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373 |
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374 if (error_state) |
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375 gripe_wrong_type_arg ("glob", args(0)); |
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376 else |
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377 { |
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2926
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378 glob_match pattern (file_ops::tilde_expand (pat)); |
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2495
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379 |
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380 string_vector list = pattern.glob (); |
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381 |
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382 if (list.empty ()) |
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383 retval = ""; |
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384 else |
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385 retval = list; |
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386 } |
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387 } |
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388 else |
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389 print_usage ("glob"); |
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390 |
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391 return retval; |
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392 } |
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393 |
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2496
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394 DEFUN (fnmatch, args, , |
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395 "fnmatch (PATTERN, STRING)\n\ |
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396 \n\ |
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397 Return 1 or zero for each element of STRING that matches any of the\n\ |
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398 elements of the string array PATTERN, using the rules of filename\n\ |
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399 pattern matching.") |
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400 { |
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401 octave_value retval; |
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402 |
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403 if (args.length () == 2) |
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404 { |
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405 string_vector pat = args(0).all_strings (); |
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406 string_vector str = args(1).all_strings (); |
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407 |
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408 if (error_state) |
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409 gripe_wrong_type_arg ("fnmatch", args(0)); |
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410 else |
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411 { |
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2926
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412 glob_match pattern (file_ops::tilde_expand (pat)); |
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2496
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413 |
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414 Array<bool> tmp = pattern.match (str); |
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415 |
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416 int n = tmp.length (); |
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417 |
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418 ColumnVector result (n); |
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419 |
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420 for (int i = 0; i < n; i++) |
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421 result(i) = tmp(i); |
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422 |
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423 retval = octave_value (result, true); |
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424 } |
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425 } |
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426 else |
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427 print_usage ("fnmatch"); |
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428 |
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429 return retval; |
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430 } |
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431 |
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523
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432 /* |
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433 ;;; Local Variables: *** |
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434 ;;; mode: C++ *** |
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435 ;;; End: *** |
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436 */ |
