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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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25 #endif |
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26 |
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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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3503
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33 #include <strstream> |
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34 #include <string> |
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35 |
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1832
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36 #ifdef HAVE_UNISTD_H |
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2442
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37 #ifdef HAVE_SYS_TYPES_H |
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1832
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38 #include <sys/types.h> |
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2442
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39 #endif |
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1832
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40 #include <unistd.h> |
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41 #endif |
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42 |
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43 #include "file-ops.h" |
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44 #include "file-stat.h" |
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45 #include "glob-match.h" |
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46 #include "oct-env.h" |
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1755
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47 #include "str-vec.h" |
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48 |
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1355
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49 #include "defun.h" |
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1781
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50 #include "dir-ops.h" |
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1355
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51 #include "dirfns.h" |
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52 #include "error.h" |
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1402
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53 #include "gripes.h" |
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1750
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54 #include "oct-obj.h" |
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1355
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55 #include "pager.h" |
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56 #include "procstream.h" |
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1750
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57 #include "pt-plot.h" |
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1355
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58 #include "sysdep.h" |
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1750
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59 #include "toplev.h" |
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1449
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60 #include "unwind-prot.h" |
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523
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61 #include "utils.h" |
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1742
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62 #include "variables.h" |
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63 |
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64 // XXX FIXME XXX -- changing the plotter directory should be handled |
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65 // by registering a function for octave_env::chdir to call so that |
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66 // this function can be eliminated. |
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67 |
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1328
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68 static int |
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69 octave_change_to_directory (const std::string& newdir) |
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1328
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70 { |
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2926
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71 int cd_ok = octave_env::chdir (newdir); |
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72 |
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73 if (cd_ok) |
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74 do_external_plotter_cd (newdir); |
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75 else |
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76 error ("%s: %s", newdir.c_str (), strerror (errno)); |
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77 |
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78 return cd_ok; |
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79 } |
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80 |
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1957
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81 DEFUN_TEXT (cd, args, , |
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3301
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82 "-*- texinfo -*-\n\ |
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83 @deffn {Command} cd dir\n\ |
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84 @deffnx {Command} chdir dir\n\ |
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85 Change the current working directory to @var{dir}. If @var{dir} is\n\ |
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86 omitted, the current directory is changed to the users home\n\ |
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87 directory. For example,\n\ |
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88 \n\ |
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3301
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89 @example\n\ |
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90 cd ~/octave\n\ |
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91 @end example\n\ |
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92 \n\ |
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93 @noindent\n\ |
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94 Changes the current working directory to @file{~/octave}. If the\n\ |
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95 directory does not exist, an error message is printed and the working\n\ |
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96 directory is not changed.\n\ |
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97 @end deffn") |
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98 { |
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2086
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99 octave_value_list retval; |
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100 |
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101 int argc = args.length () + 1; |
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102 |
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103 string_vector argv = args.make_argv ("cd"); |
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104 |
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105 if (error_state) |
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106 return retval; |
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107 |
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108 if (argc > 1) |
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109 { |
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3523
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110 std::string dirname = file_ops::tilde_expand (argv[1]); |
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111 |
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112 if (dirname.length () > 0 |
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113 && ! octave_change_to_directory (dirname)) |
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114 { |
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115 return retval; |
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116 } |
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117 } |
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118 else |
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119 { |
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3523
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120 std::string home_dir = octave_env::get_home_directory (); |
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121 |
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122 if (home_dir.empty () || ! octave_change_to_directory (home_dir)) |
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123 return retval; |
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124 } |
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125 |
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126 return retval; |
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127 } |
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128 |
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611
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129 DEFALIAS (chdir, cd); |
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130 |
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661
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131 // Get a directory listing. |
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132 |
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1965
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133 static void |
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134 cleanup_iprocstream (void *p) |
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135 { |
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2800
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136 delete static_cast <iprocstream *> (p); |
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1965
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137 } |
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138 |
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1957
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139 DEFUN_TEXT (ls, args, , |
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140 "-*- texinfo -*-\n\ |
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141 @deffn {Command} ls options\n\ |
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142 @deffnx {Command} dir options\n\ |
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143 List directory contents. For example,\n\ |
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144 \n\ |
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145 @example\n\ |
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146 ls -l\n\ |
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147 @print{} total 12\n\ |
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148 @print{} -rw-r--r-- 1 jwe users 4488 Aug 19 04:02 foo.m\n\ |
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149 @print{} -rw-r--r-- 1 jwe users 1315 Aug 17 23:14 bar.m\n\ |
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150 @end example\n\ |
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151 \n\ |
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152 The @code{dir} and @code{ls} commands are implemented by calling your\n\ |
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153 system's directory listing command, so the available options may vary\n\ |
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154 from system to system.\n\ |
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155 @end deffn") |
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523
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156 { |
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2086
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157 octave_value_list retval; |
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158 |
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159 int argc = args.length () + 1; |
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160 |
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1965
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161 string_vector argv = args.make_argv ("ls"); |
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162 |
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163 if (error_state) |
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164 return retval; |
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165 |
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166 std::ostrstream ls_buf; |
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167 |
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168 ls_buf << "ls -C "; |
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169 for (int i = 1; i < argc; i++) |
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2926
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170 ls_buf << file_ops::tilde_expand (argv[i]) << " "; |
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171 |
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172 ls_buf << ends; |
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1449
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173 char *ls_command = ls_buf.str (); |
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174 |
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1449
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175 iprocstream *cmd = new iprocstream (ls_command); |
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176 |
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1469
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177 delete [] ls_command; |
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178 |
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2985
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179 unwind_protect::add (cleanup_iprocstream, cmd); |
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180 |
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3147
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181 // XXX FIXME XXX -- sometimes, the subprocess hasn't written |
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182 // anything before we try to read from the procstream. The kluge |
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183 // below (simply waiting and trying again) is ugly, but it seems to |
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184 // work, at least most of the time. It could probably still fail if |
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185 // the subprocess hasn't started writing after the snooze. Isn't |
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186 // there a better way? If there is, you should also fix the code |
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187 // for the system function in toplev.cc. |
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188 |
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1449
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189 if (cmd && *cmd) |
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190 { |
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3147
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191 char ch; |
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192 |
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193 if (cmd->get (ch)) |
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194 octave_stdout << ch; |
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195 else |
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196 { |
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197 cmd->clear (); |
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198 |
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3308
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199 octave_usleep (100); |
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3147
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200 } |
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201 |
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202 while (cmd->get (ch)) |
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203 octave_stdout << ch; |
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1449
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204 } |
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205 else |
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206 error ("couldn't start process for ls!"); |
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207 |
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2985
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208 unwind_protect::run (); |
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209 |
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210 return retval; |
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211 } |
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212 |
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549
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213 DEFALIAS (dir, ls); |
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214 |
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1957
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215 DEFUN (pwd, , nargout, |
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216 "-*- texinfo -*-\n\ |
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217 @deftypefn {Built-in Function} {} pwd ()\n\ |
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218 Return the current working directory.\n\ |
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219 @end deftypefn") |
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220 { |
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221 octave_value_list retval; |
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222 |
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3523
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223 std::string directory = octave_env::getcwd (); |
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224 |
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2926
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225 if (directory.empty ()) |
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226 warning ("pwd: can't find working directory!"); |
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227 else |
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228 { |
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1592
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229 if (nargout == 0) |
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2095
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230 octave_stdout << directory << "\n"; |
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1592
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231 else |
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232 retval = directory; |
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523
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233 } |
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1592
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234 |
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523
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235 return retval; |
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236 } |
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237 |
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1957
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238 DEFUN (readdir, args, , |
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3301
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239 "-*- texinfo -*-\n\ |
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240 @deftypefn {Built-in Function} {[@var{files}, @var{err}, @var{msg}] =} readdir (@var{dir})\n\ |
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241 Return names of the files in the directory @var{dir} as an array of\n\ |
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242 strings. If an error occurs, return an empty matrix in @var{files}.\n\ |
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1389
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243 \n\ |
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3301
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244 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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245 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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246 system-dependent error message.\n\ |
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247 @end deftypefn") |
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1389
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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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3523
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251 retval(2) = std::string (); |
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252 retval(1) = -1.0; |
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253 retval(0) = Matrix (); |
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254 |
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1401
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255 if (args.length () == 1) |
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1389
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256 { |
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3523
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257 std::string dirname = args(0).string_value (); |
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258 |
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1401
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259 if (error_state) |
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1781
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260 gripe_wrong_type_arg ("readdir", args(0)); |
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1401
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261 else |
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262 { |
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2926
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263 dir_entry dir (file_ops::tilde_expand (dirname)); |
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1389
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264 |
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1401
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265 if (dir) |
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1389
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266 { |
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1781
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267 string_vector dirlist = dir.read (); |
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268 retval(0) = dirlist.qsort (); |
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2669
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269 retval(1) = 0.0; |
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1401
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270 } |
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271 else |
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272 { |
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2669
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273 retval(2) = dir.error (); |
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274 } |
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1389
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275 } |
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276 } |
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277 else |
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278 print_usage ("readdir"); |
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279 |
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1401
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280 return retval; |
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281 } |
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282 |
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283 // XXX FIXME XXX -- should probably also allow second arg to specify |
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284 // mode. |
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285 |
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1957
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286 DEFUN (mkdir, args, , |
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3301
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287 "-*- texinfo -*-\n\ |
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288 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} mkdir (@var{dir})\\n\ |
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289 Create a directory named @var{dir}.\n\ |
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1401
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290 \n\ |
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3301
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291 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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292 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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293 system-dependent error message.\n\ |
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294 @end deftypefn") |
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1401
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295 { |
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2086
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296 octave_value_list retval; |
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297 |
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3523
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298 retval(1) = std::string (); |
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2669
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299 retval(0) = -1.0; |
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1401
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300 |
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301 if (args.length () == 1) |
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302 { |
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3523
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303 std::string dirname = args(0).string_value (); |
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1401
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304 |
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305 if (error_state) |
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1402
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306 gripe_wrong_type_arg ("mkdir", args(0)); |
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1489
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307 else |
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1401
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308 { |
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3523
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309 std::string msg; |
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2669
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310 |
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2926
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311 int status = file_ops::mkdir (file_ops::tilde_expand (dirname), |
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312 0777, msg); |
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1489
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313 |
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2800
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314 retval(0) = static_cast<double> (status); |
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2669
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315 |
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316 if (status < 0) |
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317 retval(1) = msg; |
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1401
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318 } |
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319 } |
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320 else |
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321 print_usage ("mkdir"); |
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322 |
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323 return retval; |
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324 } |
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325 |
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1957
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326 DEFUN (rmdir, args, , |
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3301
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327 "-*- texinfo -*-\n\ |
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328 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} rmdir (@var{dir})\n\ |
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329 Remove the directory named @var{dir}.\n\ |
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1401
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330 \n\ |
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3301
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331 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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332 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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333 system-dependent error message.\n\ |
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334 @end deftypefn") |
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1401
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335 { |
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2086
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336 octave_value_list retval; |
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1401
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337 |
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3523
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338 retval(1) = std::string (); |
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2669
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339 retval(0) = -1.0; |
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1401
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340 |
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341 if (args.length () == 1) |
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342 { |
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3523
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343 std::string dirname = args(0).string_value (); |
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1401
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344 |
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345 if (error_state) |
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1402
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346 gripe_wrong_type_arg ("rmdir", args(0)); |
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1489
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347 else |
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1401
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348 { |
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3523
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349 std::string msg; |
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2669
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350 |
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2926
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351 int status = file_ops::rmdir (file_ops::tilde_expand (dirname), msg); |
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1489
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352 |
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2800
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353 retval(0) = static_cast<double> (status); |
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2669
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354 |
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355 if (status < 0) |
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356 retval(1) = msg; |
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1401
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357 } |
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358 } |
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1389
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359 else |
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1401
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360 print_usage ("rmdir"); |
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361 |
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362 return retval; |
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363 } |
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364 |
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1957
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365 DEFUN (rename, args, , |
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3301
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366 "-*- texinfo -*-\n\ |
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367 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} rename (@var{old}, @var{new})\n\ |
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368 Change the name of file @var{old} to @var{new}.\n\ |
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1401
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369 \n\ |
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3301
|
370 If successful, @var{err} is 0 and @var{msg} is an empty string.\n\ |
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371 Otherwise, @var{err} is nonzero and @var{msg} contains a\n\ |
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372 system-dependent error message.\n\ |
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373 @end deftypefn") |
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1401
|
374 { |
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2086
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375 octave_value_list retval; |
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1401
|
376 |
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3523
|
377 retval(1) = std::string (); |
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2669
|
378 retval(0) = -1.0; |
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1401
|
379 |
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|
380 if (args.length () == 2) |
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|
381 { |
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3523
|
382 std::string from = args(0).string_value (); |
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1728
|
383 |
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1401
|
384 if (error_state) |
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1402
|
385 gripe_wrong_type_arg ("rename", args(0)); |
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|
386 else |
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1401
|
387 { |
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3523
|
388 std::string to = args(1).string_value (); |
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1728
|
389 |
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1402
|
390 if (error_state) |
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391 gripe_wrong_type_arg ("rename", args(1)); |
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2669
|
392 else |
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1402
|
393 { |
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3523
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394 std::string msg; |
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2669
|
395 |
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2926
|
396 int status = file_ops::rename (from, to, msg); |
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2669
|
397 |
|
2800
|
398 retval(0) = static_cast<double> (status); |
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2669
|
399 |
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|
400 if (status < 0) |
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401 retval(1) = msg; |
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1402
|
402 } |
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1401
|
403 } |
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404 } |
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405 else |
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406 print_usage ("rename"); |
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407 |
|
1389
|
408 return retval; |
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|
409 } |
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410 |
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2495
|
411 DEFUN (glob, args, , |
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3301
|
412 "-*- texinfo -*-\n\ |
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|
413 @deftypefn {Built-in Function} {} glob (@var{pattern})\n\ |
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|
414 Given an array of strings in @var{pattern}, return the list of file\n\ |
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|
415 names that any of them, or an empty string if no patterns match. Tilde\n\ |
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|
416 expansion is performed on each of the patterns before looking for\n\ |
|
|
417 matching file names. For example,\n\ |
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2495
|
418 \n\ |
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3301
|
419 @example\n\ |
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|
420 @group\n\ |
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|
421 glob (\"/vm*\")\n\ |
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|
422 @result{} \"/vmlinuz\"\n\ |
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|
423 @end group\n\ |
|
|
424 @end example\n\ |
|
|
425 \n\ |
|
|
426 Note that multiple values are returned in a string matrix with the fill\n\ |
|
|
427 character set to ASCII NUL.\n\ |
|
|
428 @end deftypefn") |
|
2495
|
429 { |
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|
430 octave_value retval; |
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|
431 |
|
|
432 if (args.length () == 1) |
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|
433 { |
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|
434 string_vector pat = args(0).all_strings (); |
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|
435 |
|
|
436 if (error_state) |
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|
437 gripe_wrong_type_arg ("glob", args(0)); |
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|
438 else |
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|
439 { |
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2926
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440 glob_match pattern (file_ops::tilde_expand (pat)); |
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2495
|
441 |
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442 string_vector list = pattern.glob (); |
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443 |
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444 if (list.empty ()) |
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445 retval = ""; |
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446 else |
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447 retval = list; |
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448 } |
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449 } |
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450 else |
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451 print_usage ("glob"); |
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452 |
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453 return retval; |
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454 } |
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455 |
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2496
|
456 DEFUN (fnmatch, args, , |
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3301
|
457 "-*- texinfo -*-\n\ |
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458 @deftypefn {Built-in Function} {} fnmatch (@var{pattern}, @var{string})\n\ |
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459 Return 1 or zero for each element of @var{string} that matches any of\n\ |
|
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460 the elements of the string array @var{pattern}, using the rules of\n\ |
|
|
461 filename pattern matching. For example,\n\ |
|
2496
|
462 \n\ |
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3301
|
463 @example\n\ |
|
|
464 @group\n\ |
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|
465 fnmatch (\"a*b\", [\"ab\"; \"axyzb\"; \"xyzab\"])\n\ |
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466 @result{} [ 1; 1; 0 ]\n\ |
|
|
467 @end group\n\ |
|
|
468 @end example\n\ |
|
|
469 @end deftypefn") |
|
2496
|
470 { |
|
|
471 octave_value retval; |
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|
472 |
|
|
473 if (args.length () == 2) |
|
|
474 { |
|
|
475 string_vector pat = args(0).all_strings (); |
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|
476 string_vector str = args(1).all_strings (); |
|
|
477 |
|
|
478 if (error_state) |
|
|
479 gripe_wrong_type_arg ("fnmatch", args(0)); |
|
|
480 else |
|
|
481 { |
|
2926
|
482 glob_match pattern (file_ops::tilde_expand (pat)); |
|
2496
|
483 |
|
|
484 Array<bool> tmp = pattern.match (str); |
|
|
485 |
|
|
486 int n = tmp.length (); |
|
|
487 |
|
|
488 ColumnVector result (n); |
|
|
489 |
|
|
490 for (int i = 0; i < n; i++) |
|
|
491 result(i) = tmp(i); |
|
|
492 |
|
3418
|
493 retval = result; |
|
2496
|
494 } |
|
|
495 } |
|
|
496 else |
|
|
497 print_usage ("fnmatch"); |
|
|
498 |
|
|
499 return retval; |
|
|
500 } |
|
|
501 |
|
523
|
502 /* |
|
|
503 ;;; Local Variables: *** |
|
|
504 ;;; mode: C++ *** |
|
|
505 ;;; End: *** |
|
|
506 */ |
