1 | ###########################################################################
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2 | #
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3 | # util.pm -- various useful utilities
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4 | # A component of the Greenstone digital library software
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5 | # from the New Zealand Digital Library Project at the
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6 | # University of Waikato, New Zealand.
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7 | #
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8 | # Copyright (C) 1999 New Zealand Digital Library Project
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9 | #
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10 | # This program is free software; you can redistribute it and/or modify
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11 | # it under the terms of the GNU General Public License as published by
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12 | # the Free Software Foundation; either version 2 of the License, or
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13 | # (at your option) any later version.
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14 | #
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15 | # This program is distributed in the hope that it will be useful,
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16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | # GNU General Public License for more details.
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19 | #
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20 | # You should have received a copy of the GNU General Public License
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21 | # along with this program; if not, write to the Free Software
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22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | #
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24 | ###########################################################################
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25 |
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26 | package util;
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27 |
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28 | use strict;
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29 | use FileUtils;
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30 |
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31 | use Encode;
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32 | use File::Copy;
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33 | use File::Basename;
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34 | # Config for getting the perlpath in the recommended way, though it uses paths that are
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35 | # hard-coded into the Config file that's generated upon configuring and compiling perl.
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36 | # $^X works better in some cases to return the path to perl used to launch the script,
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37 | # but if launched with plain "perl" (no full-path), that will be just what it returns.
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38 | use Config;
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39 | # New module for file related utility functions - intended as a
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40 | # placeholder for an extension that allows a variety of different
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41 | # filesystems (FTP, HTTP, SAMBA, WEBDav, HDFS etc)
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42 | use FileUtils;
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43 |
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44 | if ($^O =~ m/mswin/i) {
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45 | require Win32; # for working out Windows Long Filenames from Win 8.3 short filenames
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46 | }
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47 |
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48 | # removes files (but not directories)
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49 | sub rm {
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50 | warnings::warnif("deprecated", "util::rm() is deprecated, using FileUtils::removeFiles() instead");
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51 | return &FileUtils::removeFiles(@_);
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52 | }
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53 |
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54 | # recursive removal
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55 | sub filtered_rm_r {
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56 | warnings::warnif("deprecated", "util::filtered_rm_r() is deprecated, using FileUtils::removeFilesFiltered() instead");
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57 | return &FileUtils::removeFilesFiltered(@_);
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58 | }
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59 |
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60 | # recursive removal
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61 | sub rm_r {
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62 | warnings::warnif("deprecated", "util::rm_r() is deprecated, using FileUtils::removeFilesRecursive() instead");
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63 | return &FileUtils::removeFilesRecursive(@_);
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64 | }
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65 |
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66 | # moves a file or a group of files
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67 | sub mv {
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68 | warnings::warnif("deprecated", "util::mv() is deprecated, using FileUtils::moveFiles() instead");
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69 | return &FileUtils::moveFiles(@_);
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70 | }
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71 |
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72 | # Move the contents of source directory into target directory
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73 | # (as opposed to merely replacing target dir with the src dir)
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74 | # This can overwrite any files with duplicate names in the target
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75 | # but other files and folders in the target will continue to exist
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76 | sub mv_dir_contents {
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77 | warnings::warnif("deprecated", "util::mv_dir_contents() is deprecated, using FileUtils::moveDirectoryContents() instead");
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78 | return &FileUtils::moveDirectoryContents(@_);
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79 | }
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80 |
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81 | # copies a file or a group of files
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82 | sub cp {
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83 | warnings::warnif("deprecated", "util::cp() is deprecated, using FileUtils::copyFiles() instead");
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84 | return &FileUtils::copyFiles(@_);
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85 | }
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86 |
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87 | # recursively copies a file or group of files
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88 | # syntax: cp_r (sourcefiles, destination directory)
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89 | # destination must be a directory - to copy one file to
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90 | # another use cp instead
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91 | sub cp_r {
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92 | warnings::warnif("deprecated", "util::cp_r() is deprecated, using FileUtils::copyFilesrecursive() instead");
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93 | return &FileUtils::copyFilesRecursive(@_);
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94 | }
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95 |
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96 | # recursively copies a file or group of files
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97 | # syntax: cp_r (sourcefiles, destination directory)
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98 | # destination must be a directory - to copy one file to
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99 | # another use cp instead
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100 | sub cp_r_nosvn {
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101 | warnings::warnif("deprecated", "util::cp_r_nosvn() is deprecated, using FileUtils::copyFilesRecursiveNoSVN() instead");
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102 | return &FileUtils::copyFilesRecursiveNoSVN(@_);
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103 | }
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104 |
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105 | # copies a directory and its contents, excluding subdirectories, into a new directory
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106 | sub cp_r_toplevel {
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107 | warnings::warnif("deprecated", "util::cp_r_toplevel() is deprecated, using FileUtils::recursiveCopyTopLevel() instead");
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108 | return &FileUtils::recursiveCopyTopLevel(@_);
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109 | }
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110 |
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111 | sub mk_dir {
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112 | warnings::warnif("deprecated", "util::mk_dir() is deprecated, using FileUtils::makeDirectory() instead");
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113 | return &FileUtils::makeDirectory(@_);
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114 | }
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115 |
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116 | # in case anyone cares - I did some testing (using perls Benchmark module)
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117 | # on this subroutine against File::Path::mkpath (). mk_all_dir() is apparently
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118 | # slightly faster (surprisingly) - Stefan.
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119 | sub mk_all_dir {
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120 | warnings::warnif("deprecated", "util::mk_all_dir() is deprecated, using FileUtils::makeAllDirectories() instead");
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121 | return &FileUtils::makeAllDirectories(@_);
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122 | }
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123 |
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124 | # make hard link to file if supported by OS, otherwise copy the file
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125 | sub hard_link {
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126 | warnings::warnif("deprecated", "util::hard_link() is deprecated, using FileUtils::hardLink() instead");
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127 | return &FileUtils::hardLink(@_);
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128 | }
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129 |
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130 | # make soft link to file if supported by OS, otherwise copy file
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131 | sub soft_link {
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132 | warnings::warnif("deprecated", "util::soft_link() is deprecated, using FileUtils::softLink() instead");
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133 | return &FileUtils::softLink(@_);
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134 | }
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135 |
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136 | # Primarily for filenames generated by processing
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137 | # content of HTML files (which are mapped to UTF-8 internally)
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138 | #
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139 | # To turn this into an octet string that really exists on the file
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140 | # system:
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141 | # 1. don't need to do anything special for Unix-based systems
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142 | # (as underlying file system is byte-code)
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143 | # 2. need to map to short DOS filenames for Windows
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144 |
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145 | sub utf8_to_real_filename
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146 | {
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147 | my ($utf8_filename) = @_;
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148 |
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149 | my $real_filename;
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150 |
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151 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
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152 | require Win32;
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153 |
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154 | print STDERR "***** utf8 filename = $utf8_filename\n\n\n";
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155 |
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156 | my $unicode_filename = decode("utf8",$utf8_filename);
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157 | $real_filename = Win32::GetShortPathName($unicode_filename);
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158 | }
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159 | else {
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160 | $real_filename = $utf8_filename;
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161 | }
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162 |
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163 | return $real_filename;
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164 | }
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165 |
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166 | sub fd_exists {
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167 | warnings::warnif("deprecated", "util::fd_exists() is deprecated, using FileUtils::fileTest() instead");
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168 | return &FileUtils::fileTest(@_);
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169 | }
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170 |
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171 | sub file_exists {
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172 | warnings::warnif("deprecated", "util::file_exists() is deprecated, using FileUtils::fileExists() instead");
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173 | return &FileUtils::fileExists(@_);
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174 | }
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175 |
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176 | sub dir_exists {
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177 | warnings::warnif("deprecated", "util::dir_exists() is deprecated, using FileUtils::directoryExists() instead");
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178 | return &FileUtils::directoryExists(@_);
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179 | }
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180 |
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181 | # updates a copy of a directory in some other part of the filesystem
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182 | # verbosity settings are: 0=low, 1=normal, 2=high
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183 | # both $fromdir and $todir should be absolute paths
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184 | sub cachedir {
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185 | warnings::warnif("deprecated", "util::cachedir() is deprecated, using FileUtils::synchronizeDirectories() instead");
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186 | return &FileUtils::synchronizeDirectories(@_);
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187 | }
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188 |
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189 | # this function returns -1 if either file is not found
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190 | # assumes that $file1 and $file2 are absolute file names or
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191 | # in the current directory
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192 | # $file2 is allowed to be newer than $file1
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193 | sub differentfiles {
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194 | warnings::warnif("deprecated", "util::differentfiles() is deprecated, using FileUtils::differentFiles() instead");
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195 | return &FileUtils::differentFiles(@_);
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196 | }
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197 |
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198 |
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199 | sub get_tmp_filename
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200 | {
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201 | my $file_ext = shift(@_) || undef;
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202 |
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203 | my $opt_dot_file_ext = "";
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204 | if (defined $file_ext) {
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205 | if ($file_ext !~ m/\./) {
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206 | # no dot, so needs one added in at start
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207 | $opt_dot_file_ext = ".$file_ext"
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208 | }
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209 | else {
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210 | # allow for "extensions" such as _metadata.txt to be handled
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211 | # gracefully
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212 | $opt_dot_file_ext = $file_ext;
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213 | }
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214 | }
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215 |
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216 | my $tmpdir = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "tmp");
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217 | &FileUtils::makeAllDirectories ($tmpdir) unless -e $tmpdir;
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218 |
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219 | my $count = 1000;
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220 | my $rand = int(rand $count);
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221 | my $full_tmp_filename = &FileUtils::filenameConcatenate($tmpdir, "F$rand$opt_dot_file_ext");
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222 |
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223 | while (-e $full_tmp_filename) {
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224 | $rand = int(rand $count);
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225 | $full_tmp_filename = &FileUtils::filenameConcatenate($tmpdir, "F$rand$opt_dot_file_ext");
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226 | $count++;
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227 | }
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228 |
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229 | return $full_tmp_filename;
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230 | }
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231 |
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232 | # These 2 are "static" variables used by the get_timestamped_tmp_folder() subroutine below and
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233 | # belong with that function. They help ensure the timestamped tmp folders generated are unique.
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234 | my $previous_timestamp = undef;
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235 | my $previous_timestamp_f = 0; # frequency
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236 |
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237 | sub get_timestamped_tmp_folder
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238 | {
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239 |
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240 | my $tmp_dirname;
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241 | if(defined $ENV{'GSDLCOLLECTDIR'}) {
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242 | $tmp_dirname = $ENV{'GSDLCOLLECTDIR'};
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243 | } elsif(defined $ENV{'GSDLHOME'}) {
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244 | $tmp_dirname = $ENV{'GSDLHOME'};
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245 | } else {
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246 | return undef;
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247 | }
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248 |
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249 | $tmp_dirname = &FileUtils::filenameConcatenate($tmp_dirname, "tmp");
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250 | &FileUtils::makeDirectory($tmp_dirname) if (!-e $tmp_dirname);
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251 |
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252 | # add the timestamp into the path otherwise we can run into problems
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253 | # if documents have the same name
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254 | my $timestamp = time;
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255 |
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256 | if (!defined $previous_timestamp || ($timestamp > $previous_timestamp)) {
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257 | $previous_timestamp_f = 0;
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258 | $previous_timestamp = $timestamp;
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259 | } else {
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260 | $previous_timestamp_f++;
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261 | }
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262 |
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263 | my $time_tmp_dirname = &FileUtils::filenameConcatenate($tmp_dirname, $timestamp);
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264 | $tmp_dirname = $time_tmp_dirname;
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265 | my $i = $previous_timestamp_f;
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266 |
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267 | if($previous_timestamp_f > 0) {
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268 | $tmp_dirname = $time_tmp_dirname."_".$i;
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269 | $i++;
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270 | }
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271 | while (-e $tmp_dirname) {
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272 | $tmp_dirname = $time_tmp_dirname."_".$i;
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273 | $i++;
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274 | }
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275 | &FileUtils::makeDirectory($tmp_dirname);
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276 |
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277 | return $tmp_dirname;
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278 | }
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279 |
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280 | sub get_timestamped_tmp_filename_in_collection
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281 | {
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282 |
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283 | my ($input_filename, $output_ext) = @_;
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284 | # derive tmp filename from input filename
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285 | my ($tailname, $dirname, $suffix)
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286 | = &File::Basename::fileparse($input_filename, "\\.[^\\.]+\$");
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287 |
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288 | # softlink to collection tmp dir
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289 | my $tmp_dirname = &util::get_timestamped_tmp_folder();
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290 | $tmp_dirname = $dirname unless defined $tmp_dirname;
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291 |
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292 | # following two steps copied from ConvertBinaryFile
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293 | # do we need them?? can't use them as is, as they use plugin methods.
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294 |
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295 | #$tailname = $self->SUPER::filepath_to_utf8($tailname) unless &unicode::check_is_utf8($tailname);
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296 |
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297 | # URLEncode this since htmls with images where the html filename is utf8 don't seem
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298 | # to work on Windows (IE or Firefox), as browsers are looking for filesystem-encoded
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299 | # files on the filesystem.
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300 | #$tailname = &util::rename_file($tailname, $self->{'file_rename_method'}, "without_suffix");
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301 | if (defined $output_ext) {
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302 | $output_ext = ".$output_ext"; # add the dot
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303 | } else {
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304 | $output_ext = $suffix;
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305 | }
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306 | $output_ext= lc($output_ext);
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307 | my $tmp_filename = &FileUtils::filenameConcatenate($tmp_dirname, "$tailname$output_ext");
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308 |
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309 | return $tmp_filename;
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310 | }
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311 |
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312 | sub get_toplevel_tmp_dir
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313 | {
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314 | return &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "tmp");
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315 | }
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316 |
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317 |
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318 | sub filename_to_regex {
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319 | my $filename = shift (@_);
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320 |
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321 | # need to make single backslashes double so that regex works
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322 | $filename =~ s/\\/\\\\/g; # if ($ENV{'GSDLOS'} =~ /^windows$/i);
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323 |
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324 | # note that the first part of a substitution is a regex, so RE chars need to be escaped,
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325 | # the second part of a substitution is not a regex, so for e.g. full-stop can be specified literally
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326 | $filename =~ s/\./\\./g; # in case there are extensions/other full stops, escape them
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327 | $filename =~ s@\(@\\(@g; # escape brackets
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328 | $filename =~ s@\)@\\)@g; # escape brackets
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329 | $filename =~ s@\[@\\[@g; # escape brackets
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330 | $filename =~ s@\]@\\]@g; # escape brackets
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331 |
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332 | return $filename;
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333 | }
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334 |
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335 | sub unregex_filename {
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336 | my $filename = shift (@_);
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337 |
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338 | # need to put doubled backslashes for regex back to single
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339 | $filename =~ s/\\\./\./g; # remove RE syntax for .
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340 | $filename =~ s@\\\(@(@g; # remove RE syntax for ( => "\(" turns into "("
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341 | $filename =~ s@\\\)@)@g; # remove RE syntax for ) => "\)" turns into ")"
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342 | $filename =~ s@\\\[@[@g; # remove RE syntax for [ => "\[" turns into "["
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343 | $filename =~ s@\\\]@]@g; # remove RE syntax for ] => "\]" turns into "]"
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344 |
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345 | # \\ goes to \
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346 | # This is the last step in reverse mirroring the order of steps in filename_to_regex()
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347 | $filename =~ s/\\\\/\\/g; # remove RE syntax for \
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348 | return $filename;
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349 | }
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350 |
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351 | sub filename_cat {
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352 | # I've disabled this warning for now, as every Greenstone perl
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353 | # script seems to make use of this function and so you drown in a
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354 | # sea of deprecated warnings [jmt12]
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355 | # warnings::warnif("deprecated", "util::filename_cat() is deprecated, using FileUtils::filenameConcatenate() instead");
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356 | return &FileUtils::filenameConcatenate(@_);
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357 | }
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358 |
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359 |
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360 | sub pathname_cat {
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361 | my $first_path = shift(@_);
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362 | my (@pathnames) = @_;
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363 |
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364 | # If first_path is not null or empty, then add it back into the list
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365 | if (defined $first_path && $first_path =~ /\S/) {
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366 | unshift(@pathnames, $first_path);
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367 | }
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368 |
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369 | my $join_char;
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370 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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371 | $join_char = ";";
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372 | } else {
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373 | $join_char = ":";
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374 | }
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375 |
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376 | my $pathname = join($join_char, @pathnames);
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377 |
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378 | # remove duplicate slashes
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379 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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380 | $pathname =~ s/[\\\/]+/\\/g;
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381 | } else {
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382 | $pathname =~ s/[\/]+/\//g;
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383 | # DB: want a pathname abc\de.html to remain like this
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384 | }
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385 |
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386 | return $pathname;
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387 | }
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388 |
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389 |
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390 | sub tidy_up_oid {
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391 | my ($OID) = @_;
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392 | if ($OID =~ /\./) {
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393 | print STDERR "Warning, identifier $OID contains periods (.), removing them\n";
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394 | $OID =~ s/\.//g; #remove any periods
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395 | }
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396 | if ($OID =~ /^\s.*\s$/) {
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397 | print STDERR "Warning, identifier $OID starts or ends with whitespace. Removing it\n";
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398 | # remove starting and trailing whitespace
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399 | $OID =~ s/^\s+//;
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400 | $OID =~ s/\s+$//;
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401 | }
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402 | if ($OID =~ /^[\d]*$/) {
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403 | print STDERR "Warning, identifier $OID contains only digits. Prepending 'D'.\n";
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404 | $OID = "D" . $OID;
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405 | }
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406 |
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407 | return $OID;
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408 | }
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409 |
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410 | sub envvar_prepend {
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411 | my ($var,$val) = @_;
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412 |
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413 | # 64 bit linux can't handle ";" as path separator, so make sure to set this to the right one for the OS
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414 | my $pathsep = (defined $ENV{'GSDLOS'} && $ENV{'GSDLOS'} !~ m/windows/) ? ":" : ";";
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415 |
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416 | # do not prepend any value/path that's already in the environment variable
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417 |
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418 | my $escaped_val = &filename_to_regex($val); # escape any backslashes and brackets for upcoming regex
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419 | if (!defined($ENV{$var})) {
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420 | $ENV{$var} = "$val";
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421 | }
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422 | elsif($ENV{$var} !~ m/$escaped_val/) {
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423 | $ENV{$var} = "$val".$pathsep.$ENV{$var};
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424 | }
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425 | }
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426 |
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427 | sub envvar_append {
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428 | my ($var,$val) = @_;
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429 |
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430 | # 64 bit linux can't handle ";" as path separator, so make sure to set this to the right one for the OS
|
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431 | my $pathsep = (defined $ENV{'GSDLOS'} && $ENV{'GSDLOS'} !~ m/windows/) ? ":" : ";";
|
---|
432 |
|
---|
433 | # do not append any value/path that's already in the environment variable
|
---|
434 |
|
---|
435 | my $escaped_val = &filename_to_regex($val); # escape any backslashes and brackets for upcoming regex
|
---|
436 | if (!defined($ENV{$var})) {
|
---|
437 | $ENV{$var} = "$val";
|
---|
438 | }
|
---|
439 | elsif($ENV{$var} !~ m/$escaped_val/) {
|
---|
440 | $ENV{$var} = $ENV{$var}.$pathsep."$val";
|
---|
441 | }
|
---|
442 | }
|
---|
443 |
|
---|
444 |
|
---|
445 | # splits a filename into a prefix and a tail extension using the tail_re, or
|
---|
446 | # if that fails, splits on the file_extension . (dot)
|
---|
447 | sub get_prefix_and_tail_by_regex {
|
---|
448 |
|
---|
449 | my ($filename,$tail_re) = @_;
|
---|
450 |
|
---|
451 | my ($file_prefix,$file_ext) = ($filename =~ m/^(.*?)($tail_re)$/);
|
---|
452 | if ((!defined $file_prefix) || (!defined $file_ext)) {
|
---|
453 | ($file_prefix,$file_ext) = ($filename =~ m/^(.*)(\..*?)$/);
|
---|
454 | }
|
---|
455 |
|
---|
456 | return ($file_prefix,$file_ext);
|
---|
457 | }
|
---|
458 |
|
---|
459 | # get full path and file only path from a base_dir (which may be empty) and
|
---|
460 | # file (which may contain directories)
|
---|
461 | sub get_full_filenames {
|
---|
462 | my ($base_dir, $file) = @_;
|
---|
463 |
|
---|
464 | my $filename_full_path = $file;
|
---|
465 | # add on directory if present
|
---|
466 | $filename_full_path = &FileUtils::filenameConcatenate($base_dir, $file) if $base_dir =~ /\S/;
|
---|
467 |
|
---|
468 | my $filename_no_path = $file;
|
---|
469 |
|
---|
470 | # remove directory if present
|
---|
471 | $filename_no_path =~ s/^.*[\/\\]//;
|
---|
472 | return ($filename_full_path, $filename_no_path);
|
---|
473 | }
|
---|
474 |
|
---|
475 | # returns the path of a file without the filename -- ie. the directory the file is in
|
---|
476 | sub filename_head {
|
---|
477 | my $filename = shift(@_);
|
---|
478 |
|
---|
479 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
480 | $filename =~ s/[^\\\\]*$//;
|
---|
481 | }
|
---|
482 | else {
|
---|
483 | $filename =~ s/[^\\\/]*$//;
|
---|
484 | }
|
---|
485 |
|
---|
486 | return $filename;
|
---|
487 | }
|
---|
488 |
|
---|
489 |
|
---|
490 |
|
---|
491 | # returns 1 if filename1 and filename2 point to the same
|
---|
492 | # file or directory
|
---|
493 | sub filenames_equal {
|
---|
494 | my ($filename1, $filename2) = @_;
|
---|
495 |
|
---|
496 | # use filename_cat to clean up trailing slashes and
|
---|
497 | # multiple slashes
|
---|
498 | $filename1 = &FileUtils::filenameConcatenate($filename1);
|
---|
499 | $filename2 = &FileUtils::filenameConcatenate($filename2);
|
---|
500 |
|
---|
501 | # filenames not case sensitive on windows
|
---|
502 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
503 | $filename1 =~ tr/[A-Z]/[a-z]/;
|
---|
504 | $filename2 =~ tr/[A-Z]/[a-z]/;
|
---|
505 | }
|
---|
506 | return 1 if $filename1 eq $filename2;
|
---|
507 | return 0;
|
---|
508 | }
|
---|
509 |
|
---|
510 | # If filename is relative to within_dir, returns the relative path of filename to that directory
|
---|
511 | # with slashes in the filename returned as they were in the original (absolute) filename.
|
---|
512 | sub filename_within_directory
|
---|
513 | {
|
---|
514 | my ($filename,$within_dir) = @_;
|
---|
515 |
|
---|
516 | if ($within_dir !~ m/[\/\\]$/) {
|
---|
517 | my $dirsep = &util::get_dirsep();
|
---|
518 | $within_dir .= $dirsep;
|
---|
519 | }
|
---|
520 |
|
---|
521 | $within_dir = &filename_to_regex($within_dir); # escape DOS style file separator and brackets
|
---|
522 | if ($filename =~ m/^$within_dir(.*)$/) {
|
---|
523 | $filename = $1;
|
---|
524 | }
|
---|
525 |
|
---|
526 | return $filename;
|
---|
527 | }
|
---|
528 |
|
---|
529 | # If filename is relative to within_dir, returns the relative path of filename to that directory in URL format.
|
---|
530 | # Filename and within_dir can be any type of slashes, but will be compared as URLs (i.e. unix-style slashes).
|
---|
531 | # The subpath returned will also be a URL type filename.
|
---|
532 | sub filename_within_directory_url_format
|
---|
533 | {
|
---|
534 | my ($filename,$within_dir) = @_;
|
---|
535 |
|
---|
536 | # convert parameters only to / slashes if Windows
|
---|
537 |
|
---|
538 | my $filename_urlformat = &filepath_to_url_format($filename);
|
---|
539 | my $within_dir_urlformat = &filepath_to_url_format($within_dir);
|
---|
540 |
|
---|
541 | #if ($within_dir_urlformat !~ m/\/$/) {
|
---|
542 | # make sure directory ends with a slash
|
---|
543 | #$within_dir_urlformat .= "/";
|
---|
544 | #}
|
---|
545 |
|
---|
546 | my $within_dir_urlformat_re = &filename_to_regex($within_dir_urlformat); # escape any special RE characters, such as brackets
|
---|
547 |
|
---|
548 | #print STDERR "@@@@@ $filename_urlformat =~ $within_dir_urlformat_re\n";
|
---|
549 |
|
---|
550 | # dir prefix may or may not end with a slash (this is discarded when extracting the sub-filepath)
|
---|
551 | if ($filename_urlformat =~ m/^$within_dir_urlformat_re(?:\/)*(.*)$/) {
|
---|
552 | $filename_urlformat = $1;
|
---|
553 | }
|
---|
554 |
|
---|
555 | return $filename_urlformat;
|
---|
556 | }
|
---|
557 |
|
---|
558 | # Convert parameter to use / slashes if Windows (if on Linux leave any \ as is,
|
---|
559 | # since on Linux it doesn't represent a file separator but an escape char).
|
---|
560 | sub filepath_to_url_format
|
---|
561 | {
|
---|
562 | my ($filepath) = @_;
|
---|
563 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
564 | # Only need to worry about Windows, as Unix style directories already in url-format
|
---|
565 | # Convert Windows style \ => /
|
---|
566 | $filepath =~ s@\\@/@g;
|
---|
567 | }
|
---|
568 | return $filepath;
|
---|
569 | }
|
---|
570 |
|
---|
571 | # regex filepaths on windows may include \\ as path separator. Convert \\ to /
|
---|
572 | sub filepath_regex_to_url_format
|
---|
573 | {
|
---|
574 | my ($filepath) = @_;
|
---|
575 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
576 | # Only need to worry about Windows, as Unix style directories already in url-format
|
---|
577 | # Convert Windows style \\ => /
|
---|
578 | $filepath =~ s@\\\\@/@g;
|
---|
579 | }
|
---|
580 | return $filepath;
|
---|
581 |
|
---|
582 | }
|
---|
583 |
|
---|
584 | # Like File::Basename::fileparse, but expects filepath in url format (ie only / slash for dirsep)
|
---|
585 | # and ignores trailing /
|
---|
586 | # returns (file, dirs) dirs will be empty if no subdirs
|
---|
587 | sub url_fileparse
|
---|
588 | {
|
---|
589 | my ($filepath) = @_;
|
---|
590 | # remove trailing /
|
---|
591 | $filepath =~ s@/$@@;
|
---|
592 | if ($filepath !~ m@/@) {
|
---|
593 | return ($filepath, "");
|
---|
594 | }
|
---|
595 | my ($dirs, $file) = $filepath =~ m@(.+/)([^/]+)@;
|
---|
596 | return ($file, $dirs);
|
---|
597 |
|
---|
598 | }
|
---|
599 |
|
---|
600 |
|
---|
601 | sub filename_within_collection
|
---|
602 | {
|
---|
603 | my ($filename) = @_;
|
---|
604 |
|
---|
605 | my $collect_dir = $ENV{'GSDLCOLLECTDIR'};
|
---|
606 |
|
---|
607 | if (defined $collect_dir) {
|
---|
608 |
|
---|
609 | # if from within GSDLCOLLECTDIR, then remove directory prefix
|
---|
610 | # so source_filename is realative to it. This is done to aid
|
---|
611 | # portability, i.e. the collection can be moved to somewhere
|
---|
612 | # else on the file system and the archives directory will still
|
---|
613 | # work. This is needed, for example in the applet version of
|
---|
614 | # GLI where GSDLHOME/collect on the server will be different to
|
---|
615 | # the collect directory of the remove user. Of course,
|
---|
616 | # GSDLCOLLECTDIR subsequently needs to be put back on to turn
|
---|
617 | # it back into a full pathname.
|
---|
618 |
|
---|
619 | $filename = filename_within_directory($filename,$collect_dir);
|
---|
620 | }
|
---|
621 |
|
---|
622 | return $filename;
|
---|
623 | }
|
---|
624 |
|
---|
625 | sub prettyprint_file
|
---|
626 | {
|
---|
627 | my ($base_dir,$file,$gli) = @_;
|
---|
628 |
|
---|
629 | my $filename_full_path = &FileUtils::filenameConcatenate($base_dir,$file);
|
---|
630 |
|
---|
631 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
|
---|
632 | require Win32;
|
---|
633 |
|
---|
634 | # For some reason base_dir in the form c:/a/b/c
|
---|
635 | # This leads to confusion later on, so turn it back into
|
---|
636 | # the more usual Windows form
|
---|
637 | $base_dir =~ s/\//\\/g;
|
---|
638 | my $long_base_dir = Win32::GetLongPathName($base_dir);
|
---|
639 | my $long_full_path = Win32::GetLongPathName($filename_full_path);
|
---|
640 |
|
---|
641 | $file = filename_within_directory($long_full_path,$long_base_dir);
|
---|
642 | $file = encode("utf8",$file) if ($gli);
|
---|
643 | }
|
---|
644 |
|
---|
645 | return $file;
|
---|
646 | }
|
---|
647 |
|
---|
648 |
|
---|
649 | sub upgrade_if_dos_filename
|
---|
650 | {
|
---|
651 | my ($filename_full_path,$and_encode) = @_;
|
---|
652 |
|
---|
653 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
|
---|
654 | # Ensure any DOS-like filename, such as test~1.txt, has been upgraded
|
---|
655 | # to its long (Windows) version
|
---|
656 | my $long_filename = Win32::GetLongPathName($filename_full_path);
|
---|
657 | if (defined $long_filename) {
|
---|
658 | $filename_full_path = $long_filename;
|
---|
659 | }
|
---|
660 | # Make sure initial drive letter is lower-case (to fit in with rest of Greenstone)
|
---|
661 | $filename_full_path =~ s/^(.):/\u$1:/;
|
---|
662 | if ((defined $and_encode) && ($and_encode)) {
|
---|
663 | $filename_full_path = encode("utf8",$filename_full_path);
|
---|
664 | }
|
---|
665 | }
|
---|
666 |
|
---|
667 | return $filename_full_path;
|
---|
668 | }
|
---|
669 |
|
---|
670 |
|
---|
671 | sub downgrade_if_dos_filename
|
---|
672 | {
|
---|
673 | my ($filename_full_path) = @_;
|
---|
674 |
|
---|
675 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
|
---|
676 | require Win32;
|
---|
677 |
|
---|
678 | # Ensure the given long Windows filename is in a form that can
|
---|
679 | # be opened by Perl => convert it to a short DOS-like filename
|
---|
680 |
|
---|
681 | my $short_filename = Win32::GetShortPathName($filename_full_path);
|
---|
682 | if (defined $short_filename) {
|
---|
683 | $filename_full_path = $short_filename;
|
---|
684 | }
|
---|
685 | # Make sure initial drive letter is lower-case (to fit in
|
---|
686 | # with rest of Greenstone)
|
---|
687 | $filename_full_path =~ s/^(.):/\u$1:/;
|
---|
688 | }
|
---|
689 |
|
---|
690 | return $filename_full_path;
|
---|
691 | }
|
---|
692 |
|
---|
693 | sub block_filename
|
---|
694 | {
|
---|
695 | my ($block_hash,$filename) = @_;
|
---|
696 |
|
---|
697 | if ($ENV{'GSDLOS'} =~ m/^windows$/) {
|
---|
698 |
|
---|
699 | # lower case the entire thing, eg for cover.jpg when its actually cover.JPG
|
---|
700 | my $lower_filename = lc($filename);
|
---|
701 | $block_hash->{'file_blocks'}->{$lower_filename} = 1;
|
---|
702 | # my $lower_drive = $filename;
|
---|
703 | # $lower_drive =~ s/^([A-Z]):/\l$1:/i;
|
---|
704 |
|
---|
705 | # my $upper_drive = $filename;
|
---|
706 | # $upper_drive =~ s/^([A-Z]):/\u$1:/i;
|
---|
707 | #
|
---|
708 | # $block_hash->{'file_blocks'}->{$lower_drive} = 1;
|
---|
709 | # $block_hash->{'file_blocks'}->{$upper_drive} = 1;
|
---|
710 | }
|
---|
711 | else {
|
---|
712 | $block_hash->{'file_blocks'}->{$filename} = 1;
|
---|
713 | }
|
---|
714 | }
|
---|
715 |
|
---|
716 |
|
---|
717 | sub filename_is_absolute
|
---|
718 | {
|
---|
719 | warnings::warnif("deprecated", "util::filename_is_absolute() is deprecated, using FileUtils::isFilenameAbsolute() instead");
|
---|
720 | return &FileUtils::isFilenameAbsolute(@_);
|
---|
721 | }
|
---|
722 |
|
---|
723 |
|
---|
724 | ## @method make_absolute()
|
---|
725 | #
|
---|
726 | # Ensure the given file path is absolute in respect to the given base path.
|
---|
727 | #
|
---|
728 | # @param $base_dir A string denoting the base path the given dir must be
|
---|
729 | # absolute to.
|
---|
730 | # @param $dir The directory to be made absolute as a string. Note that the
|
---|
731 | # dir may already be absolute, in which case it will remain
|
---|
732 | # unchanged.
|
---|
733 | # @return The now absolute form of the directory as a string.
|
---|
734 | #
|
---|
735 | # @author John Thompson, DL Consulting Ltd.
|
---|
736 | # @copy 2006 DL Consulting Ltd.
|
---|
737 | #
|
---|
738 | #used in buildcol.pl, doesn't work for all cases --kjdon
|
---|
739 | sub make_absolute {
|
---|
740 |
|
---|
741 | my ($base_dir, $dir) = @_;
|
---|
742 | ### print STDERR "dir = $dir\n";
|
---|
743 | $dir =~ s/[\\\/]+/\//g;
|
---|
744 | $dir = $base_dir . "/$dir" unless ($dir =~ m|^(\w:)?/|);
|
---|
745 | $dir =~ s|^/tmp_mnt||;
|
---|
746 | 1 while($dir =~ s|/[^/]*/\.\./|/|g);
|
---|
747 | $dir =~ s|/[.][.]?/|/|g;
|
---|
748 | $dir =~ tr|/|/|s;
|
---|
749 | ### print STDERR "dir = $dir\n";
|
---|
750 |
|
---|
751 | return $dir;
|
---|
752 | }
|
---|
753 | ## make_absolute() ##
|
---|
754 |
|
---|
755 | sub get_dirsep {
|
---|
756 |
|
---|
757 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
758 | return "\\";
|
---|
759 | } else {
|
---|
760 | return "\/";
|
---|
761 | }
|
---|
762 | }
|
---|
763 |
|
---|
764 | sub get_os_dirsep {
|
---|
765 |
|
---|
766 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
767 | return "\\\\";
|
---|
768 | } else {
|
---|
769 | return "\\\/";
|
---|
770 | }
|
---|
771 | }
|
---|
772 |
|
---|
773 | sub get_re_dirsep {
|
---|
774 |
|
---|
775 | return "\\\\|\\\/";
|
---|
776 | }
|
---|
777 |
|
---|
778 |
|
---|
779 | sub get_dirsep_tail {
|
---|
780 | my ($filename) = @_;
|
---|
781 |
|
---|
782 | # returns last part of directory or filename
|
---|
783 | # On unix e.g. a/b.d => b.d
|
---|
784 | # a/b/c => c
|
---|
785 |
|
---|
786 | my $dirsep = get_re_dirsep();
|
---|
787 | my @dirs = split (/$dirsep/, $filename);
|
---|
788 | my $tail = pop @dirs;
|
---|
789 |
|
---|
790 | # - caused problems under windows
|
---|
791 | #my ($tail) = ($filename =~ m/^(?:.*?$dirsep)?(.*?)$/);
|
---|
792 |
|
---|
793 | return $tail;
|
---|
794 | }
|
---|
795 |
|
---|
796 |
|
---|
797 | # if this is running on windows we want binaries to end in
|
---|
798 | # .exe, otherwise they don't have to end in any extension
|
---|
799 | sub get_os_exe {
|
---|
800 | return ".exe" if $ENV{'GSDLOS'} =~ /^windows$/i;
|
---|
801 | return "";
|
---|
802 | }
|
---|
803 |
|
---|
804 |
|
---|
805 | # test to see whether this is a big or little endian machine
|
---|
806 | sub is_little_endian
|
---|
807 | {
|
---|
808 | # To determine the name of the operating system, the variable $^O is a cheap alternative to pulling it out of the Config module;
|
---|
809 | # If it is a Macintosh machine (i.e. the Darwin operating system), regardless if it's running on the IBM power-pc cpu or the x86 Intel-based chip with a power-pc emulator running on top of it, it's big-endian
|
---|
810 | # Otherwise, it's little endian
|
---|
811 |
|
---|
812 | #return 0 if $^O =~ /^darwin$/i;
|
---|
813 | #return 0 if $ENV{'GSDLOS'} =~ /^darwin$/i;
|
---|
814 |
|
---|
815 | # Going back to stating exactly whether the machine is little endian
|
---|
816 | # or big endian, without any special case for Macs. Since for rata it comes
|
---|
817 | # back with little endian and for shuttle with bigendian.
|
---|
818 | return (ord(substr(pack("s",1), 0, 1)) == 1);
|
---|
819 | }
|
---|
820 |
|
---|
821 |
|
---|
822 | # will return the collection name if successful, "" otherwise
|
---|
823 | sub use_collection {
|
---|
824 | my ($collection, $collectdir) = @_;
|
---|
825 |
|
---|
826 | if (!defined $collectdir || $collectdir eq "") {
|
---|
827 | $collectdir = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "collect");
|
---|
828 | }
|
---|
829 |
|
---|
830 | if (!defined $ENV{'GREENSTONEHOME'}) { # for GS3, would have been defined in use_site_collection, to GSDL3HOME
|
---|
831 | $ENV{'GREENSTONEHOME'} = $ENV{'GSDLHOME'};
|
---|
832 | }
|
---|
833 |
|
---|
834 | # get and check the collection
|
---|
835 | if (!defined($collection) || $collection eq "") {
|
---|
836 | if (defined $ENV{'GSDLCOLLECTION'}) {
|
---|
837 | $collection = $ENV{'GSDLCOLLECTION'};
|
---|
838 | } else {
|
---|
839 | print STDOUT "No collection specified\n";
|
---|
840 | return "";
|
---|
841 | }
|
---|
842 | }
|
---|
843 |
|
---|
844 | if ($collection eq "modelcol") {
|
---|
845 | print STDOUT "You can't use modelcol.\n";
|
---|
846 | return "";
|
---|
847 | }
|
---|
848 |
|
---|
849 | # make sure the environment variables GSDLCOLLECTION and GSDLCOLLECTDIR
|
---|
850 | # are defined
|
---|
851 | $ENV{'GSDLCOLLECTION'} = $collection;
|
---|
852 | $ENV{'GSDLCOLLECTHOME'} = $collectdir;
|
---|
853 | $ENV{'GSDLCOLLECTDIR'} = &FileUtils::filenameConcatenate($collectdir, $collection);
|
---|
854 |
|
---|
855 | # make sure this collection exists
|
---|
856 | if (!-e $ENV{'GSDLCOLLECTDIR'}) {
|
---|
857 | print STDOUT "Invalid collection ($collection).\n";
|
---|
858 | return "";
|
---|
859 | }
|
---|
860 |
|
---|
861 | # everything is ready to go
|
---|
862 | return $collection;
|
---|
863 | }
|
---|
864 |
|
---|
865 | sub get_current_collection_name {
|
---|
866 | return $ENV{'GSDLCOLLECTION'};
|
---|
867 | }
|
---|
868 |
|
---|
869 |
|
---|
870 | # will return the collection name if successful, "" otherwise.
|
---|
871 | # Like use_collection (above) but for greenstone 3 (taking account of site level)
|
---|
872 |
|
---|
873 | sub use_site_collection {
|
---|
874 | my ($site, $collection, $collectdir) = @_;
|
---|
875 |
|
---|
876 | if (!defined $collectdir || $collectdir eq "") {
|
---|
877 | die "GSDL3HOME not set.\n" unless defined $ENV{'GSDL3HOME'};
|
---|
878 | $collectdir = &FileUtils::filenameConcatenate($ENV{'GSDL3HOME'}, "sites", $site, "collect");
|
---|
879 | }
|
---|
880 |
|
---|
881 | if (defined $ENV{'GSDL3HOME'}) {
|
---|
882 | $ENV{'GREENSTONEHOME'} = $ENV{'GSDL3HOME'};
|
---|
883 | $ENV{'SITEHOME'} = &FileUtils::filenameConcatenate($ENV{'GREENSTONEHOME'}, "sites", $site);
|
---|
884 | } elsif (defined $ENV{'GSDL3SRCHOME'}) {
|
---|
885 | $ENV{'GREENSTONEHOME'} = &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'}, "web");
|
---|
886 | $ENV{'SITEHOME'} = &FileUtils::filenameConcatenate($ENV{'GREENSTONEHOME'}, "sites", $site);
|
---|
887 | } else {
|
---|
888 | print STDERR "*** util::use_site_collection(). Warning: Neither GSDL3HOME nor GSDL3SRCHOME set.\n";
|
---|
889 | }
|
---|
890 |
|
---|
891 | # collectdir explicitly set by this point (using $site variable if required).
|
---|
892 | # Can call "old" gsdl2 use_collection now.
|
---|
893 |
|
---|
894 | return use_collection($collection,$collectdir);
|
---|
895 | }
|
---|
896 |
|
---|
897 |
|
---|
898 |
|
---|
899 | sub locate_config_file
|
---|
900 | {
|
---|
901 | my ($file) = @_;
|
---|
902 |
|
---|
903 | my $locations = locate_config_files($file);
|
---|
904 |
|
---|
905 | return shift @$locations; # returns undef if 'locations' is empty
|
---|
906 | }
|
---|
907 |
|
---|
908 |
|
---|
909 | sub locate_config_files
|
---|
910 | {
|
---|
911 | my ($file) = @_;
|
---|
912 |
|
---|
913 | my @locations = ();
|
---|
914 |
|
---|
915 | if (-e $file) {
|
---|
916 | # Clearly specified (most likely full filename)
|
---|
917 | # No need to hunt in 'etc' directories, return value unchanged
|
---|
918 | push(@locations,$file);
|
---|
919 | }
|
---|
920 | else {
|
---|
921 | # Check for collection specific one before looking in global GSDL 'etc'
|
---|
922 | if (defined $ENV{'GSDLCOLLECTDIR'} && $ENV{'GSDLCOLLECTDIR'} ne "") {
|
---|
923 | my $test_collect_etc_filename
|
---|
924 | = &FileUtils::filenameConcatenate($ENV{'GSDLCOLLECTDIR'},"etc", $file);
|
---|
925 |
|
---|
926 | if (-e $test_collect_etc_filename) {
|
---|
927 | push(@locations,$test_collect_etc_filename);
|
---|
928 | }
|
---|
929 | }
|
---|
930 | my $test_main_etc_filename
|
---|
931 | = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"etc", $file);
|
---|
932 | if (-e $test_main_etc_filename) {
|
---|
933 | push(@locations,$test_main_etc_filename);
|
---|
934 | }
|
---|
935 | }
|
---|
936 |
|
---|
937 | return \@locations;
|
---|
938 | }
|
---|
939 |
|
---|
940 |
|
---|
941 | sub hyperlink_text
|
---|
942 | {
|
---|
943 | my ($text) = @_;
|
---|
944 |
|
---|
945 | $text =~ s/(http:\/\/[^\s]+)/<a href=\"$1\">$1<\/a>/mg;
|
---|
946 | $text =~ s/(^|\s+)(www\.(\w|\.)+)/<a href=\"http:\/\/$2\">$2<\/a>/mg;
|
---|
947 |
|
---|
948 | return $text;
|
---|
949 | }
|
---|
950 |
|
---|
951 |
|
---|
952 | # A method to check if a directory is empty (note that an empty directory still has non-zero size!!!)
|
---|
953 | # Code is from http://episteme.arstechnica.com/eve/forums/a/tpc/f/6330927813/m/436007700831
|
---|
954 | sub is_dir_empty {
|
---|
955 | warnings::warnif("deprecated", "util::is_dir_empty() is deprecated, using FileUtils::isDirectoryEmpty() instead");
|
---|
956 | return &FileUtils::isDirectoryEmpty(@_);
|
---|
957 | }
|
---|
958 |
|
---|
959 | # Returns the given filename converted using either URL encoding or base64
|
---|
960 | # encoding, as specified by $rename_method. If the given filename has no suffix
|
---|
961 | # (if it is just the tailname), then $no_suffix should be some defined value.
|
---|
962 | # rename_method can be url, none, base64
|
---|
963 | sub rename_file {
|
---|
964 | my ($filename, $rename_method, $no_suffix) = @_;
|
---|
965 |
|
---|
966 | if(!$filename) { # undefined or empty string
|
---|
967 | return $filename;
|
---|
968 | }
|
---|
969 |
|
---|
970 | if (!$rename_method) {
|
---|
971 | print STDERR "WARNING: no file renaming method specified. Defaulting to using URL encoding...\n";
|
---|
972 | # Debugging information
|
---|
973 | # my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(1);
|
---|
974 | # print STDERR "Called from method: $cfilename:$cline $cpackage->$csubr\n";
|
---|
975 | $rename_method = "url";
|
---|
976 | } elsif($rename_method eq "none") {
|
---|
977 | return $filename; # would have already been renamed
|
---|
978 | }
|
---|
979 |
|
---|
980 | # No longer replace spaces with underscores, since underscores mess with incremental rebuild
|
---|
981 | ### Replace spaces with underscore. Do this first else it can go wrong below when getting tailname
|
---|
982 | ###$filename =~ s/ /_/g;
|
---|
983 |
|
---|
984 | my ($tailname,$dirname,$suffix);
|
---|
985 | if($no_suffix) { # given a tailname, no suffix
|
---|
986 | ($tailname,$dirname) = File::Basename::fileparse($filename);
|
---|
987 | }
|
---|
988 | else {
|
---|
989 | ($tailname,$dirname,$suffix) = File::Basename::fileparse($filename, "\\.(?:[^\\.]+?)\$");
|
---|
990 | }
|
---|
991 | if (!$suffix) {
|
---|
992 | $suffix = "";
|
---|
993 | }
|
---|
994 | # This breaks GLI matching extracted metadata to files in Enrich panel, as
|
---|
995 | # original is eg .JPG while gsdlsourcefilename ends up .jpg
|
---|
996 | # Not sure why it was done in first place...
|
---|
997 | #else {
|
---|
998 | #$suffix = lc($suffix);
|
---|
999 | #}
|
---|
1000 |
|
---|
1001 | if ($rename_method eq "url") {
|
---|
1002 | $tailname = &unicode::url_encode($tailname);
|
---|
1003 | }
|
---|
1004 | elsif ($rename_method eq "base64") {
|
---|
1005 | $tailname = &unicode::base64_encode($tailname);
|
---|
1006 | $tailname =~ s/\s*//sg; # for some reason it adds spaces not just at end but also in middle
|
---|
1007 | }
|
---|
1008 |
|
---|
1009 | $filename = "$tailname$suffix";
|
---|
1010 | $filename = "$dirname$filename" if ($dirname ne "./" && $dirname ne ".\\");
|
---|
1011 |
|
---|
1012 | return $filename;
|
---|
1013 | }
|
---|
1014 |
|
---|
1015 |
|
---|
1016 | # BACKWARDS COMPATIBILITY: Just in case there are old .ldb/.bdb files
|
---|
1017 | sub rename_ldb_or_bdb_file {
|
---|
1018 | my ($filename_no_ext) = @_;
|
---|
1019 |
|
---|
1020 | my $new_filename = "$filename_no_ext.gdb";
|
---|
1021 | return if (-f $new_filename); # if the file has the right extension, don't need to do anything
|
---|
1022 | # try ldb
|
---|
1023 | my $old_filename = "$filename_no_ext.ldb";
|
---|
1024 |
|
---|
1025 | if (-f $old_filename) {
|
---|
1026 | print STDERR "Renaming $old_filename to $new_filename\n";
|
---|
1027 | rename ($old_filename, $new_filename)
|
---|
1028 | || print STDERR "Rename failed: $!\n";
|
---|
1029 | return;
|
---|
1030 | }
|
---|
1031 | # try bdb
|
---|
1032 | $old_filename = "$filename_no_ext.bdb";
|
---|
1033 | if (-f $old_filename) {
|
---|
1034 | print STDERR "Renaming $old_filename to $new_filename\n";
|
---|
1035 | rename ($old_filename, $new_filename)
|
---|
1036 | || print STDERR "Rename failed: $!\n";
|
---|
1037 | return;
|
---|
1038 | }
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 | sub os_dir() {
|
---|
1042 |
|
---|
1043 | my $gsdlarch = "";
|
---|
1044 | if(defined $ENV{'GSDLARCH'}) {
|
---|
1045 | $gsdlarch = $ENV{'GSDLARCH'};
|
---|
1046 | }
|
---|
1047 | return $ENV{'GSDLOS'}.$gsdlarch;
|
---|
1048 | }
|
---|
1049 |
|
---|
1050 | # Returns the greenstone URL prefix extracted from the appropriate GS2/GS3 config file.
|
---|
1051 | # By default, /greenstone3 for GS3 or /greenstone for GS2.
|
---|
1052 | sub get_greenstone_url_prefix() {
|
---|
1053 | # if already set on a previous occasion, just return that
|
---|
1054 | # (Don't want to keep repeating this: cost of re-opening and scanning files.)
|
---|
1055 | return $ENV{'GREENSTONE_URL_PREFIX'} if($ENV{'GREENSTONE_URL_PREFIX'});
|
---|
1056 |
|
---|
1057 | my ($configfile, $urlprefix, $defaultUrlprefix);
|
---|
1058 | my @propertynames = ();
|
---|
1059 |
|
---|
1060 | if($ENV{'GSDL3SRCHOME'}) {
|
---|
1061 | $defaultUrlprefix = "/greenstone3";
|
---|
1062 | $configfile = &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'}, "packages", "tomcat", "conf", "Catalina", "localhost", "greenstone3.xml");
|
---|
1063 | push(@propertynames, qw/path\s*\=/);
|
---|
1064 | } else {
|
---|
1065 | $defaultUrlprefix = "/greenstone";
|
---|
1066 | $configfile = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'}, "cgi-bin", &os_dir(), "gsdlsite.cfg");
|
---|
1067 | push(@propertynames, (qw/\nhttpprefix/, qw/\ngwcgi/)); # inspect one property then the other
|
---|
1068 | }
|
---|
1069 |
|
---|
1070 | $urlprefix = &extract_propvalue_from_file($configfile, \@propertynames);
|
---|
1071 |
|
---|
1072 | if(!$urlprefix) { # no values found for URL prefix, use default values
|
---|
1073 | $urlprefix = $defaultUrlprefix;
|
---|
1074 | } else {
|
---|
1075 | #gwcgi can contain more than the wanted prefix, we split on / to get the first "directory" level
|
---|
1076 | $urlprefix =~ s/^\///; # remove the starting slash
|
---|
1077 | my @dirs = split(/(\\|\/)/, $urlprefix);
|
---|
1078 | $urlprefix = shift(@dirs);
|
---|
1079 |
|
---|
1080 | if($urlprefix !~ m/^\//) { # in all cases: ensure the required forward slash is at the front
|
---|
1081 | $urlprefix = "/$urlprefix";
|
---|
1082 | }
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | # set for the future
|
---|
1086 | $ENV{'GREENSTONE_URL_PREFIX'} = $urlprefix;
|
---|
1087 | # print STDERR "*** in get_greenstone_url_prefix(): $urlprefix\n\n";
|
---|
1088 | return $urlprefix;
|
---|
1089 | }
|
---|
1090 |
|
---|
1091 |
|
---|
1092 | # Given a config file (xml or java properties file) and a list/array of regular expressions
|
---|
1093 | # that represent property names to match on, this function will return the value for the 1st
|
---|
1094 | # matching property name. If the return value is undefined, no matching property was found.
|
---|
1095 | sub extract_propvalue_from_file() {
|
---|
1096 | my ($configfile, $propertynames) = @_;
|
---|
1097 |
|
---|
1098 | my $value;
|
---|
1099 | unless(open(FIN, "<$configfile")) {
|
---|
1100 | print STDERR "extract_propvalue_from_file(): Unable to open $configfile. $!\n";
|
---|
1101 | return $value; # not initialised
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | # Read the entire file at once, as one single line, then close it
|
---|
1105 | my $filecontents;
|
---|
1106 | {
|
---|
1107 | local $/ = undef;
|
---|
1108 | $filecontents = <FIN>;
|
---|
1109 | }
|
---|
1110 | close(FIN);
|
---|
1111 |
|
---|
1112 | foreach my $regex (@$propertynames) {
|
---|
1113 | ($value) = $filecontents=~ m/$regex\s*(\S*)/s; # read value of the property given by regex up to the 1st space
|
---|
1114 | if($value) {
|
---|
1115 | $value =~ s/^\"//; # remove any startquotes
|
---|
1116 | $value =~ s/\".*$//; # remove the 1st endquotes (if any) followed by any xml
|
---|
1117 | last; # found value for a matching property, break from loop
|
---|
1118 | }
|
---|
1119 | }
|
---|
1120 |
|
---|
1121 | return $value;
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 | # Subroutine that sources setup.bash, given GSDLHOME and GSDLOS and
|
---|
1125 | # given that perllib is in @INC in order to invoke this subroutine.
|
---|
1126 | # Call as follows -- after setting up INC to include perllib and
|
---|
1127 | # after setting up GSDLHOME and GSDLOS:
|
---|
1128 | #
|
---|
1129 | # require util;
|
---|
1130 | # &util::setup_greenstone_env($ENV{'GSDLHOME'}, $ENV{'GSDLOS'});
|
---|
1131 | #
|
---|
1132 | sub setup_greenstone_env() {
|
---|
1133 | my ($GSDLHOME, $GSDLOS) = @_;
|
---|
1134 |
|
---|
1135 | #my %env_map = ();
|
---|
1136 | # Get the localised ENV settings of running a localised source setup.bash
|
---|
1137 | # and put it into the ENV here. Need to clear GSDLHOME before running setup
|
---|
1138 | #my $perl_command = "(cd $GSDLHOME; export GSDLHOME=; . ./setup.bash > /dev/null; env)";
|
---|
1139 | my $perl_command = "(cd $GSDLHOME; /bin/bash -c \"export GSDLHOME=; source setup.bash > /dev/null; env\")";
|
---|
1140 | if($GSDLOS =~ m/windows/i) {
|
---|
1141 | #$perl_command = "cmd /C \"cd $GSDLHOME&& set GSDLHOME=&& setup.bat > nul&& set\"";
|
---|
1142 | $perl_command = "(cd $GSDLHOME&& set GSDLHOME=&& setup.bat > nul&& set)";
|
---|
1143 | }
|
---|
1144 | if (!open(PIN, "$perl_command |")) {
|
---|
1145 | print STDERR ("Unable to execute command: $perl_command. $!\n");
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | while (defined (my $perl_output_line = <PIN>)) {
|
---|
1149 | my($key,$value) = ($perl_output_line =~ m/^([^=]*)[=](.*)$/);
|
---|
1150 | #$env_map{$key}=$value;
|
---|
1151 | $ENV{$key}=$value;
|
---|
1152 | }
|
---|
1153 | close (PIN);
|
---|
1154 |
|
---|
1155 | # If any keys in $ENV don't occur in Greenstone's localised env
|
---|
1156 | # (stored in $env_map), delete those entries from $ENV
|
---|
1157 | #foreach $key (keys %ENV) {
|
---|
1158 | # if(!defined $env_map{$key}) {
|
---|
1159 | # print STDOUT "**** DELETING ENV KEY: $key\tVALUE: $ENV{'$key'}\n";
|
---|
1160 | # delete $ENV{$key}; # del $ENV(key, value) pair
|
---|
1161 | # }
|
---|
1162 | #}
|
---|
1163 | #undef %env_map;
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | sub get_perl_exec() {
|
---|
1167 | my $perl_exec = $^X; # may return just "perl"
|
---|
1168 |
|
---|
1169 | if($ENV{'PERLPATH'}) {
|
---|
1170 | # OR: # $perl_exec = &FileUtils::filenameConcatenate($ENV{'PERLPATH'},"perl");
|
---|
1171 | if($ENV{'GSDLOS'} =~ m/windows/) {
|
---|
1172 | $perl_exec = "$ENV{'PERLPATH'}\\Perl.exe";
|
---|
1173 | } else {
|
---|
1174 | $perl_exec = "$ENV{'PERLPATH'}/perl";
|
---|
1175 | }
|
---|
1176 | } else { # no PERLPATH, use Config{perlpath} else $^X: special variables
|
---|
1177 | # containing the full path to the current perl executable we're using
|
---|
1178 | $perl_exec = $Config{perlpath}; # configured path for perl
|
---|
1179 | if (!-e $perl_exec) { # may not point to location on this machine
|
---|
1180 | $perl_exec = $^X; # may return just "perl"
|
---|
1181 | if($perl_exec =~ m/^perl/i) { # warn if just perl or Perl.exe
|
---|
1182 | print STDERR "**** WARNING: Perl exec found contains no path: $perl_exec";
|
---|
1183 | }
|
---|
1184 | }
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 | return $perl_exec;
|
---|
1188 | }
|
---|
1189 |
|
---|
1190 | # returns the path to the java command in the JRE included with GS (if any),
|
---|
1191 | # quoted to safeguard any spaces in this path, otherwise a simple java
|
---|
1192 | # command is returned which assumes and will try for a system java.
|
---|
1193 | sub get_java_command {
|
---|
1194 | my $java = "java";
|
---|
1195 | if(defined $ENV{'GSDLHOME'}) { # should be, as this script would be launched from the cmd line
|
---|
1196 | # after running setup.bat or from GLI which also runs setup.bat
|
---|
1197 | my $java_bin = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"packages","jre","bin");
|
---|
1198 | if(-d $java_bin) {
|
---|
1199 | $java = &FileUtils::filenameConcatenate($java_bin,"java");
|
---|
1200 | $java = "\"".$java."\""; # quoted to preserve spaces in path
|
---|
1201 | }
|
---|
1202 | }
|
---|
1203 | return $java;
|
---|
1204 | }
|
---|
1205 |
|
---|
1206 |
|
---|
1207 | # Given the qualified collection name (colgroup/collection),
|
---|
1208 | # returns the collection and colgroup parts
|
---|
1209 | sub get_collection_parts {
|
---|
1210 | # http://perldoc.perl.org/File/Basename.html
|
---|
1211 | # my($filename, $directories, $suffix) = fileparse($path);
|
---|
1212 | # "$directories contains everything up to and including the last directory separator in the $path
|
---|
1213 | # including the volume (if applicable). The remainder of the $path is the $filename."
|
---|
1214 | #my ($collection, $colgroup) = &File::Basename::fileparse($qualified_collection);
|
---|
1215 |
|
---|
1216 | my $qualified_collection = shift(@_);
|
---|
1217 |
|
---|
1218 | # Since activate.pl can be launched from the command-line, including by a user,
|
---|
1219 | # best not to assume colgroup uses URL-style slashes as would be the case with GLI
|
---|
1220 | # Also allow for the accidental inclusion of multiple slashes
|
---|
1221 | my ($colgroup, $collection) = split(/[\/\\]+/, $qualified_collection); #split('/', $qualified_collection);
|
---|
1222 |
|
---|
1223 | if(!defined $collection) {
|
---|
1224 | $collection = $colgroup;
|
---|
1225 | $colgroup = "";
|
---|
1226 | }
|
---|
1227 | return ($collection, $colgroup);
|
---|
1228 | }
|
---|
1229 |
|
---|
1230 | # work out the "collectdir/collection" location
|
---|
1231 | sub resolve_collection_dir {
|
---|
1232 | my ($collect_dir, $qualified_collection, $site) = @_; #, $gs_mode
|
---|
1233 |
|
---|
1234 | if (defined $ENV{'GSDLCOLLECTDIR'}) { # a predefined collection dir exists
|
---|
1235 | return $ENV{'GSDLCOLLECTDIR'};
|
---|
1236 | }
|
---|
1237 |
|
---|
1238 | my ($colgroup, $collection) = &util::get_collection_parts($qualified_collection);
|
---|
1239 |
|
---|
1240 | if (!defined $collect_dir || !$collect_dir) { # if undefined or empty string
|
---|
1241 | $collect_dir = &util::get_working_collect_dir($site);
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | return &FileUtils::filenameConcatenate($collect_dir,$colgroup,$collection);
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 | # work out the full path to "collect" of this greenstone 2/3 installation
|
---|
1248 | sub get_working_collect_dir {
|
---|
1249 | my ($site) = @_;
|
---|
1250 |
|
---|
1251 | if (defined $ENV{'GSDLCOLLECTHOME'}) { # a predefined collect dir exists
|
---|
1252 | return $ENV{'GSDLCOLLECTHOME'};
|
---|
1253 | }
|
---|
1254 |
|
---|
1255 | if (defined $site && $site) { # site non-empty, so get default collect dir for GS3
|
---|
1256 |
|
---|
1257 | if (defined $ENV{'GSDL3HOME'}) {
|
---|
1258 | return &FileUtils::filenameConcatenate($ENV{'GSDL3HOME'},"sites",$site,"collect"); # web folder
|
---|
1259 | }
|
---|
1260 | elsif (defined $ENV{'GSDL3SRCHOME'}) {
|
---|
1261 | return &FileUtils::filenameConcatenate($ENV{'GSDL3SRCHOME'},"web","sites",$site,"collect");
|
---|
1262 | }
|
---|
1263 | }
|
---|
1264 |
|
---|
1265 | elsif (defined $ENV{'SITEHOME'}) {
|
---|
1266 | return &FileUtils::filenameConcatenate($ENV{'SITEHOME'},"collect");
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 | else { # get default collect dir for GS2
|
---|
1270 | return &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"collect");
|
---|
1271 | }
|
---|
1272 | }
|
---|
1273 |
|
---|
1274 | sub is_abs_path_any_os {
|
---|
1275 | my ($path) = @_;
|
---|
1276 |
|
---|
1277 | # We can have filenames in our DBs that were produced on other OS, so this method exists
|
---|
1278 | # to help identify absolute paths in such cases.
|
---|
1279 |
|
---|
1280 | return 1 if($path =~ m@^/@); # full paths begin with forward slash on linux/mac
|
---|
1281 | return 1 if($path =~ m@^([a-zA-Z]\:|\\)@); # full paths begin with drive letter colon for Win or \ for volume, http://stackoverflow.com/questions/13011013/get-only-volume-name-from-filepath
|
---|
1282 |
|
---|
1283 | return 0;
|
---|
1284 | }
|
---|
1285 |
|
---|
1286 |
|
---|
1287 | # This subroutine is for improving portability of Greenstone collections from one OS to another,
|
---|
1288 | # to be used to convert absolute paths going into db files into paths with placeholders instead.
|
---|
1289 | # This sub works with util::get_common_gs_paths and takes a path to a greenstone file and, if it's
|
---|
1290 | # an absolute path, then it will replace the longest matching greenstone-path prefix of the given
|
---|
1291 | # path with a placeholder to match.
|
---|
1292 | # The Greenstone-path prefixes that can be matched are the following common Greenstone paths:
|
---|
1293 | # the path to the current (specific) collection, the path to the general GS collect directory,
|
---|
1294 | # the path to the site directory if GS3, else the path to the GSDLHOME/GSDL3HOME folder.
|
---|
1295 | # The longest matching prefix will be replaced with the equivalent placeholder:
|
---|
1296 | # @THISCOLLECTPATH@, else @COLLECTHOME@, else @SITEHOME@, else @GSDLHOME@.
|
---|
1297 | sub abspath_to_placeholders {
|
---|
1298 | my $path = shift(@_); # path to convert from absolute to one with placeholders
|
---|
1299 |
|
---|
1300 | return $path unless is_abs_path_any_os($path); # path is relative
|
---|
1301 |
|
---|
1302 | if ($^O =~ m/mswin/i) {
|
---|
1303 | $path = &Win32::GetLongPathName($path);
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 | # now we know we're dealing with absolute paths and have to replace gs prefixes with placeholders
|
---|
1307 | my @gs_paths = ($ENV{'GSDLCOLLECTDIR'}, $ENV{'GSDLCOLLECTHOME'}, $ENV{'SITEHOME'}, $ENV{'GREENSTONEHOME'}); # list in this order: from longest to shortest path
|
---|
1308 |
|
---|
1309 | my %placeholder_map = ($ENV{'GREENSTONEHOME'} => '@GSDLHOME@', # can't use double-quotes around at-sign, else perl tries to evaluate it as referring to an array
|
---|
1310 | $ENV{'GSDLCOLLECTHOME'} => '@COLLECTHOME@',
|
---|
1311 | $ENV{'GSDLCOLLECTDIR'} => '@THISCOLLECTPATH@'
|
---|
1312 | );
|
---|
1313 | $placeholder_map{$ENV{'SITEHOME'}} = '@SITEHOME@' if defined $ENV{'SITEHOME'};
|
---|
1314 |
|
---|
1315 |
|
---|
1316 | # The sequence of elements in @gs_paths matters
|
---|
1317 | # Need to loop starting from the *longest* matching path (the path to the specific collection)
|
---|
1318 | # to the shortest matching path (the path to gsdlhome/gsdl3home folder):
|
---|
1319 |
|
---|
1320 | foreach my $gs_path (@gs_paths) {
|
---|
1321 | next if(!defined $gs_path); # site undefined for GS2
|
---|
1322 |
|
---|
1323 | my $re_path = &util::filename_to_regex($gs_path); # escape for regex
|
---|
1324 |
|
---|
1325 | if($path =~ m/^$re_path/i) { # case sensitive or not for OS?
|
---|
1326 |
|
---|
1327 | my $placeholder = $placeholder_map{$gs_path}; # get the placeholder to replace the matched path with
|
---|
1328 |
|
---|
1329 | $path =~ s/^$re_path/$placeholder/; #case sensitive or not?
|
---|
1330 | #$path =~ s/^[\\\/]//; # remove gs_path's trailing separator left behind at the start of the path
|
---|
1331 | last; # done
|
---|
1332 | }
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 | return $path;
|
---|
1336 | }
|
---|
1337 |
|
---|
1338 | # Function that does the reverse of the util::abspath_to_placeholders subroutine
|
---|
1339 | # Once again, call this with the values returned from util::get_common_gs_paths
|
---|
1340 | sub placeholders_to_abspath {
|
---|
1341 | my $path = shift(@_); # path that can contain placeholders to convert to resolved absolute path
|
---|
1342 |
|
---|
1343 | return $path if($path !~ m/@/); # path contains no placeholders
|
---|
1344 |
|
---|
1345 | # replace placeholders with gs prefixes
|
---|
1346 | my @placeholders = ('@THISCOLLECTPATH@', '@COLLECTHOME@', '@SITEHOME@', '@GSDLHOME@'); # order of paths not crucial in this case,
|
---|
1347 | # but listed here from longest to shortest once placeholders are have been resolved
|
---|
1348 |
|
---|
1349 | # can't use double-quotes around at-sign, else perl tries to evaluate it as referring to an array
|
---|
1350 | my %placeholder_to_gspath_map = ('@GSDLHOME@' => $ENV{'GREENSTONEHOME'},
|
---|
1351 | '@SITEHOME@' => $ENV{'SITEHOME'},
|
---|
1352 | '@COLLECTHOME@' => $ENV{'GSDLCOLLECTHOME'},
|
---|
1353 | '@THISCOLLECTPATH@' => $ENV{'GSDLCOLLECTDIR'}
|
---|
1354 | ); # $placeholder_to_gspath_map{'@SITEHOME@'} = $ENV{'SITEHOME'} if defined $ENV{'SITEHOME'};
|
---|
1355 |
|
---|
1356 | foreach my $placeholder (@placeholders) {
|
---|
1357 | my $gs_path = $placeholder_to_gspath_map{$placeholder};
|
---|
1358 |
|
---|
1359 | next if(!defined $gs_path); # sitehome for GS2 is undefined
|
---|
1360 |
|
---|
1361 | #my $sep = ($ENV{'GSDLOS'} eq "windows") ? "\\" : "/";
|
---|
1362 | #$gs_path = $gs_path . "$sep" if ($gs_path !~ m/$sep$/); # add in any trailing separator to the path prefix
|
---|
1363 |
|
---|
1364 | if($path =~ m/^$placeholder/) {
|
---|
1365 | $path =~ s/^$placeholder/$gs_path/;
|
---|
1366 | last; # done
|
---|
1367 | }
|
---|
1368 | }
|
---|
1369 |
|
---|
1370 | return $path;
|
---|
1371 | }
|
---|
1372 |
|
---|
1373 | # Used by pdfpstoimg.pl and PDFBoxConverter to create a .item file from
|
---|
1374 | # a directory containing sequentially numbered images.
|
---|
1375 | sub create_itemfile
|
---|
1376 | {
|
---|
1377 | my ($output_dir, $convert_basename, $convert_to) = @_;
|
---|
1378 | my $page_num = "";
|
---|
1379 |
|
---|
1380 | opendir(DIR, $output_dir) || die "can't opendir $output_dir: $!";
|
---|
1381 | my @dir_files = grep {-f "$output_dir/$_"} readdir(DIR);
|
---|
1382 | closedir DIR;
|
---|
1383 |
|
---|
1384 | # Sort files in the directory by page_num
|
---|
1385 | sub page_number {
|
---|
1386 | my ($dir) = @_;
|
---|
1387 | my ($pagenum) =($dir =~ m/^.*?[-\.]?(\d+)(\.(jpg|gif|png))?$/i);
|
---|
1388 | # my ($pagenum) =($dir =~ m/(\d+)(\.(jpg|gif|png))?$/i); # this works but is not as safe/strict about input filepatterns as the above
|
---|
1389 |
|
---|
1390 | $pagenum = 1 unless defined $pagenum;
|
---|
1391 | return $pagenum;
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | # sort the files in the directory in the order of page_num rather than lexically.
|
---|
1395 | @dir_files = sort { page_number($a) <=> page_number($b) } @dir_files;
|
---|
1396 |
|
---|
1397 | # work out if the numbering of the now sorted image files starts at 0 or not
|
---|
1398 | # by checking the number of the first _image_ file (skipping item files)
|
---|
1399 | my $starts_at_0 = 0;
|
---|
1400 | my $firstfile = ($dir_files[0] !~ /\.item$/i) ? $dir_files[0] : $dir_files[1];
|
---|
1401 | if(page_number($firstfile) == 0) { # 00 will evaluate to 0 too in this condition
|
---|
1402 | $starts_at_0 = 1;
|
---|
1403 | }
|
---|
1404 |
|
---|
1405 | my $item_file = &FileUtils::filenameConcatenate($output_dir, $convert_basename.".item");
|
---|
1406 | my $item_fh;
|
---|
1407 | &FileUtils::openFileHandle($item_file, 'w', \$item_fh);
|
---|
1408 | print $item_fh "<PagedDocument>\n";
|
---|
1409 |
|
---|
1410 | foreach my $file (@dir_files){
|
---|
1411 | if ($file !~ /\.item/i){
|
---|
1412 | $page_num = page_number($file);
|
---|
1413 | $page_num++ if $starts_at_0; # image numbers start at 0, so add 1
|
---|
1414 | print $item_fh " <Page pagenum=\"$page_num\" imgfile=\"$file\" txtfile=\"\"/>\n";
|
---|
1415 | }
|
---|
1416 | }
|
---|
1417 |
|
---|
1418 | print $item_fh "</PagedDocument>\n";
|
---|
1419 | &FileUtils::closeFileHandle($item_file, \$item_fh);
|
---|
1420 | return $item_file;
|
---|
1421 | }
|
---|
1422 |
|
---|
1423 |
|
---|
1424 | ## @function augmentINC()
|
---|
1425 | #
|
---|
1426 | # Prepend a path (if it exists) onto INC but only if it isn't already in INC
|
---|
1427 | # @param $new_path The path to add
|
---|
1428 | # @author jmt12
|
---|
1429 | #
|
---|
1430 | sub augmentINC
|
---|
1431 | {
|
---|
1432 | my ($new_path) = @_;
|
---|
1433 | my $did_add_path = 0;
|
---|
1434 | # might need to be replaced with FileUtils::directoryExists() call eventually
|
---|
1435 | if (-d $new_path)
|
---|
1436 | {
|
---|
1437 | my $did_find_path = 0;
|
---|
1438 | foreach my $existing_path (@INC)
|
---|
1439 | {
|
---|
1440 | if ($existing_path eq $new_path)
|
---|
1441 | {
|
---|
1442 | $did_find_path = 1;
|
---|
1443 | last;
|
---|
1444 | }
|
---|
1445 | }
|
---|
1446 | if (!$did_find_path)
|
---|
1447 | {
|
---|
1448 | unshift(@INC, $new_path);
|
---|
1449 | $did_add_path = 1;
|
---|
1450 | }
|
---|
1451 | }
|
---|
1452 | return $did_add_path;
|
---|
1453 | }
|
---|
1454 | ## augmentINC()
|
---|
1455 |
|
---|
1456 |
|
---|
1457 | 1;
|
---|