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 File::Copy;
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29 | use File::Basename;
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30 |
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31 | use strict;
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32 |
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33 |
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34 | # removes files (but not directories)
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35 | sub rm {
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36 | my (@files) = @_;
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37 |
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38 | my @filefiles = ();
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39 |
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40 | # make sure the files we want to delete exist
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41 | # and are regular files
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42 | foreach my $file (@files) {
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43 | if (!-e $file) {
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44 | print STDERR "util::rm $file does not exist\n";
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45 | } elsif ((!-f $file) && (!-l $file)) {
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46 | print STDERR "util::rm $file is not a regular (or symbolic) file\n";
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47 | } else {
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48 | push (@filefiles, $file);
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49 | }
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50 | }
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51 |
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52 | # remove the files
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53 | my $numremoved = unlink @filefiles;
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54 |
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55 | # check to make sure all of them were removed
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56 | if ($numremoved != scalar(@filefiles)) {
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57 | print STDERR "util::rm Not all files were removed\n";
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58 | }
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59 | }
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60 |
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61 |
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62 |
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63 | # recursive removal
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64 | sub filtered_rm_r {
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65 | my ($files,$file_accept_re,$file_reject_re) = @_;
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66 |
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67 | my @files_array = (ref $files eq "ARRAY") ? @$files : ($files);
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68 |
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69 | # recursively remove the files
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70 | foreach my $file (@files_array) {
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71 | $file =~ s/[\/\\]+$//; # remove trailing slashes
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72 |
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73 | if (!-e $file) {
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74 | print STDERR "util::filtered_rm_r $file does not exist\n";
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75 |
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76 | } elsif ((-d $file) && (!-l $file)) { # don't recurse down symbolic link
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77 | # get the contents of this directory
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78 | if (!opendir (INDIR, $file)) {
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79 | print STDERR "util::filtered_rm_r could not open directory $file\n";
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80 | } else {
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81 | my @filedir = grep (!/^\.\.?$/, readdir (INDIR));
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82 | closedir (INDIR);
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83 |
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84 | # remove all the files in this directory
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85 | map {$_="$file/$_";} @filedir;
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86 | &filtered_rm_r (\@filedir,$file_accept_re,$file_reject_re);
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87 |
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88 | if (!defined $file_accept_re && !defined $file_reject_re) {
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89 | # remove this directory
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90 | if (!rmdir $file) {
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91 | print STDERR "util::filtered_rm_r couldn't remove directory $file\n";
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92 | }
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93 | }
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94 | }
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95 | } else {
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96 | next if (defined $file_reject_re && ($file =~ m/$file_reject_re/));
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97 |
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98 | if ((!defined $file_accept_re) || ($file =~ m/$file_accept_re/)) {
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99 | # remove this file
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100 | &rm ($file);
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101 | }
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102 | }
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103 | }
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104 | }
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105 |
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106 |
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107 | # recursive removal
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108 | sub rm_r {
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109 | my (@files) = @_;
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110 |
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111 | # use the more general (but reterospectively written function
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112 | # filtered_rm_r function()
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113 |
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114 | filtered_rm_r(\@files,undef,undef); # no accept or reject expressions
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115 | }
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116 |
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117 |
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118 |
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119 |
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120 | # moves a file or a group of files
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121 | sub mv {
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122 | my $dest = pop (@_);
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123 | my (@srcfiles) = @_;
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124 |
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125 | # remove trailing slashes from source and destination files
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126 | $dest =~ s/[\\\/]+$//;
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127 | map {$_ =~ s/[\\\/]+$//;} @srcfiles;
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128 |
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129 | # a few sanity checks
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130 | if (scalar (@srcfiles) == 0) {
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131 | print STDERR "util::mv no destination directory given\n";
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132 | return;
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133 | } elsif ((scalar (@srcfiles) > 1) && (!-d $dest)) {
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134 | print STDERR "util::mv if multiple source files are given the ".
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135 | "destination must be a directory\n";
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136 | return;
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137 | }
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138 |
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139 | # move the files
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140 | foreach my $file (@srcfiles) {
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141 | my $tempdest = $dest;
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142 | if (-d $tempdest) {
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143 | my ($filename) = $file =~ /([^\\\/]+)$/;
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144 | $tempdest .= "/$filename";
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145 | }
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146 | if (!-e $file) {
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147 | print STDERR "util::mv $file does not exist\n";
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148 | } else {
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149 | rename ($file, $tempdest);
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150 | }
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151 | }
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152 | }
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153 |
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154 |
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155 | # copies a file or a group of files
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156 | sub cp {
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157 | my $dest = pop (@_);
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158 | my (@srcfiles) = @_;
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159 |
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160 | # remove trailing slashes from source and destination files
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161 | $dest =~ s/[\\\/]+$//;
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162 | map {$_ =~ s/[\\\/]+$//;} @srcfiles;
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163 |
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164 | # a few sanity checks
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165 | if (scalar (@srcfiles) == 0) {
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166 | print STDERR "util::cp no destination directory given\n";
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167 | return;
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168 | } elsif ((scalar (@srcfiles) > 1) && (!-d $dest)) {
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169 | print STDERR "util::cp if multiple source files are given the ".
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170 | "destination must be a directory\n";
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171 | return;
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172 | }
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173 |
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174 | # copy the files
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175 | foreach my $file (@srcfiles) {
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176 | my $tempdest = $dest;
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177 | if (-d $tempdest) {
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178 | my ($filename) = $file =~ /([^\\\/]+)$/;
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179 | $tempdest .= "/$filename";
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180 | }
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181 | if (!-e $file) {
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182 | print STDERR "util::cp $file does not exist\n";
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183 | } elsif (!-f $file) {
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184 | print STDERR "util::cp $file is not a plain file\n";
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185 | } else {
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186 | &File::Copy::copy ($file, $tempdest);
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187 | }
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188 | }
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189 | }
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190 |
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191 |
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192 |
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193 | # recursively copies a file or group of files
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194 | # syntax: cp_r (sourcefiles, destination directory)
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195 | # destination must be a directory - to copy one file to
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196 | # another use cp instead
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197 | sub cp_r {
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198 | my $dest = pop (@_);
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199 | my (@srcfiles) = @_;
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200 |
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201 | # a few sanity checks
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202 | if (scalar (@srcfiles) == 0) {
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203 | print STDERR "util::cp_r no destination directory given\n";
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204 | return;
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205 | } elsif (-f $dest) {
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206 | print STDERR "util::cp_r destination must be a directory\n";
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207 | return;
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208 | }
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209 |
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210 | # create destination directory if it doesn't exist already
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211 | if (! -d $dest) {
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212 | my $store_umask = umask(0002);
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213 | mkdir ($dest, 0777);
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214 | umask($store_umask);
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215 | }
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216 |
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217 | # copy the files
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218 | foreach my $file (@srcfiles) {
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219 |
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220 | if (!-e $file) {
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221 | print STDERR "util::cp_r $file does not exist\n";
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222 |
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223 | } elsif (-d $file) {
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224 | # make the new directory
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225 | my ($filename) = $file =~ /([^\\\/]*)$/;
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226 | $dest = &util::filename_cat ($dest, $filename);
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227 | my $store_umask = umask(0002);
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228 | mkdir ($dest, 0777);
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229 | umask($store_umask);
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230 |
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231 | # get the contents of this directory
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232 | if (!opendir (INDIR, $file)) {
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233 | print STDERR "util::cp_r could not open directory $file\n";
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234 | } else {
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235 | my @filedir = readdir (INDIR);
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236 | closedir (INDIR);
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237 | foreach my $f (@filedir) {
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238 | next if $f =~ /^\.\.?$/;
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239 | # copy all the files in this directory
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240 | my $ff = &util::filename_cat ($file, $f);
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241 | &cp_r ($ff, $dest);
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242 | }
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243 | }
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244 |
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245 | } else {
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246 | &cp($file, $dest);
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247 | }
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248 | }
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249 | }
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250 |
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251 | # copies a directory and its contents, excluding subdirectories, into a new directory
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252 | sub cp_r_toplevel {
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253 | my $dest = pop (@_);
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254 | my (@srcfiles) = @_;
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255 |
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256 | # a few sanity checks
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257 | if (scalar (@srcfiles) == 0) {
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258 | print STDERR "util::cp_r no destination directory given\n";
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259 | return;
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260 | } elsif (-f $dest) {
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261 | print STDERR "util::cp_r destination must be a directory\n";
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262 | return;
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263 | }
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264 |
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265 | # create destination directory if it doesn't exist already
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266 | if (! -d $dest) {
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267 | my $store_umask = umask(0002);
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268 | mkdir ($dest, 0777);
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269 | umask($store_umask);
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270 | }
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271 |
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272 | # copy the files
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273 | foreach my $file (@srcfiles) {
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274 |
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275 | if (!-e $file) {
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276 | print STDERR "util::cp_r $file does not exist\n";
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277 |
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278 | } elsif (-d $file) {
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279 | # make the new directory
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280 | my ($filename) = $file =~ /([^\\\/]*)$/;
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281 | $dest = &util::filename_cat ($dest, $filename);
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282 | my $store_umask = umask(0002);
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283 | mkdir ($dest, 0777);
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284 | umask($store_umask);
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285 |
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286 | # get the contents of this directory
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287 | if (!opendir (INDIR, $file)) {
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288 | print STDERR "util::cp_r could not open directory $file\n";
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289 | } else {
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290 | my @filedir = readdir (INDIR);
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291 | closedir (INDIR);
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292 | foreach my $f (@filedir) {
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293 | next if $f =~ /^\.\.?$/;
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294 |
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295 | # copy all the files in this directory, but not directories
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296 | my $ff = &util::filename_cat ($file, $f);
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297 | if (-f $ff) {
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298 | &cp($ff, $dest);
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299 | #&cp_r ($ff, $dest);
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300 | }
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301 | }
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302 | }
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303 |
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304 | } else {
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305 | &cp($file, $dest);
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306 | }
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307 | }
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308 | }
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309 |
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310 | sub mk_dir {
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311 | my ($dir) = @_;
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312 |
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313 | my $store_umask = umask(0002);
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314 | my $mkdir_ok = mkdir ($dir, 0777);
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315 | umask($store_umask);
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316 |
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317 | if (!$mkdir_ok)
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318 | {
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319 | print STDERR "util::mk_dir could not create directory $dir\n";
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320 | return;
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321 | }
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322 | }
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323 |
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324 | # in case anyone cares - I did some testing (using perls Benchmark module)
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325 | # on this subroutine against File::Path::mkpath (). mk_all_dir() is apparently
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326 | # slightly faster (surprisingly) - Stefan.
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327 | sub mk_all_dir {
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328 | my ($dir) = @_;
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329 |
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330 | # use / for the directory separator, remove duplicate and
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331 | # trailing slashes
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332 | $dir=~s/[\\\/]+/\//g;
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333 | $dir=~s/[\\\/]+$//;
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334 |
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335 | # make sure the cache directory exists
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336 | my $dirsofar = "";
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337 | my $first = 1;
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338 | foreach my $dirname (split ("/", $dir)) {
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339 | $dirsofar .= "/" unless $first;
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340 | $first = 0;
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341 |
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342 | $dirsofar .= $dirname;
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343 |
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344 | next if $dirname =~ /^(|[a-z]:)$/i;
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345 | if (!-e $dirsofar)
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346 | {
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347 | my $store_umask = umask(0002);
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348 | my $mkdir_ok = mkdir ($dirsofar, 0777);
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349 | umask($store_umask);
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350 | if (!$mkdir_ok)
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351 | {
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352 | print STDERR "util::mk_all_dir could not create directory $dirsofar\n";
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353 | return;
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354 | }
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355 | }
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356 | }
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357 | }
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358 |
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359 | # make hard link to file if supported by OS, otherwise copy the file
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360 | sub hard_link {
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361 | my ($src, $dest, $verbosity) = @_;
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362 |
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363 | # remove trailing slashes from source and destination files
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364 | $src =~ s/[\\\/]+$//;
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365 | $dest =~ s/[\\\/]+$//;
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366 |
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367 | # a few sanity checks
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368 | if (-e $dest) {
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369 | # destination file already exists
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370 | return;
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371 | }
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372 | elsif (!-e $src) {
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373 | print STDERR "util::hard_link source file $src does not exist\n";
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374 | return 1;
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375 | }
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376 | elsif (-d $src) {
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377 | print STDERR "util::hard_link source $src is a directory\n";
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378 | return 1;
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379 | }
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380 |
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381 | my $dest_dir = &File::Basename::dirname($dest);
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382 | mk_all_dir($dest_dir) if (!-e $dest_dir);
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383 |
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384 | # link not supported on windows 9x
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385 | if (($ENV{'GSDLOS'} =~ /^windows$/i) && (Win32::FsType() !~ /^ntfs$/i)) {
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386 | &File::Copy::copy ($src, $dest);
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387 |
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388 | } elsif (!link($src, $dest)) {
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389 | if ((!defined $verbosity) || ($verbosity>2)) {
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390 | print STDERR "util::hard_link: unable to create hard link. ";
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391 | print STDERR " Copying file: $src -> $dest\n";
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392 | }
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393 | &File::Copy::copy ($src, $dest);
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394 | }
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395 | return 0;
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396 | }
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397 |
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398 | # make soft link to file if supported by OS, otherwise copy file
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399 | sub soft_link {
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400 | my ($src, $dest, $ensure_paths_absolute) = @_;
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401 |
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402 | # remove trailing slashes from source and destination files
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403 | $src =~ s/[\\\/]+$//;
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404 | $dest =~ s/[\\\/]+$//;
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405 |
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406 | # Ensure file paths are absolute IF requested to do so
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407 | # Soft_linking didn't work for relative paths
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408 | if(defined $ensure_paths_absolute && $ensure_paths_absolute) {
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409 | # We need to ensure that the src file is the absolute path
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410 | # See http://perldoc.perl.org/File/Spec.html
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411 | if(!File::Spec->file_name_is_absolute( $src )) { # it's relative
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412 | $src = File::Spec->rel2abs($src); # make absolute
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413 | }
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414 | # Might as well ensure that the destination file's absolute path is used
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415 | if(!File::Spec->file_name_is_absolute( $dest )) {
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416 | $dest = File::Spec->rel2abs($dest); # make absolute
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417 | }
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418 | }
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419 |
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420 | # a few sanity checks
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421 | if (!-e $src) {
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422 | print STDERR "util::soft_link source file $src does not exist\n";
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423 | return 0;
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424 | }
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425 |
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426 | my $dest_dir = &File::Basename::dirname($dest);
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427 | mk_all_dir($dest_dir) if (!-e $dest_dir);
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428 |
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429 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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430 | # symlink not supported on windows
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431 | &File::Copy::copy ($src, $dest);
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432 |
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433 | } elsif (!eval {symlink($src, $dest)}) {
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434 | print STDERR "util::soft_link: unable to create soft link.\n";
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435 | return 0;
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436 | }
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437 |
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438 | return 1;
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439 | }
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440 |
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441 |
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442 |
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443 |
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444 | # updates a copy of a directory in some other part of the filesystem
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445 | # verbosity settings are: 0=low, 1=normal, 2=high
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446 | # both $fromdir and $todir should be absolute paths
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447 | sub cachedir {
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448 | my ($fromdir, $todir, $verbosity) = @_;
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449 | $verbosity = 1 unless defined $verbosity;
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450 |
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451 | # use / for the directory separator, remove duplicate and
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452 | # trailing slashes
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453 | $fromdir=~s/[\\\/]+/\//g;
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454 | $fromdir=~s/[\\\/]+$//;
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455 | $todir=~s/[\\\/]+/\//g;
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456 | $todir=~s/[\\\/]+$//;
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457 |
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458 | &mk_all_dir ($todir);
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459 |
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460 | # get the directories in ascending order
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461 | if (!opendir (FROMDIR, $fromdir)) {
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462 | print STDERR "util::cachedir could not read directory $fromdir\n";
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463 | return;
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464 | }
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465 | my @fromdir = grep (!/^\.\.?$/, sort(readdir (FROMDIR)));
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466 | closedir (FROMDIR);
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467 |
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468 | if (!opendir (TODIR, $todir)) {
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469 | print STDERR "util::cacedir could not read directory $todir\n";
|
---|
470 | return;
|
---|
471 | }
|
---|
472 | my @todir = grep (!/^\.\.?$/, sort(readdir (TODIR)));
|
---|
473 | closedir (TODIR);
|
---|
474 |
|
---|
475 | my $fromi = 0;
|
---|
476 | my $toi = 0;
|
---|
477 |
|
---|
478 | while ($fromi < scalar(@fromdir) || $toi < scalar(@todir)) {
|
---|
479 | # print "fromi: $fromi toi: $toi\n";
|
---|
480 |
|
---|
481 | # see if we should delete a file/directory
|
---|
482 | # this should happen if the file/directory
|
---|
483 | # is not in the from list or if its a different
|
---|
484 | # size, or has an older timestamp
|
---|
485 | if ($toi < scalar(@todir)) {
|
---|
486 | if (($fromi >= scalar(@fromdir)) ||
|
---|
487 | ($todir[$toi] lt $fromdir[$fromi] ||
|
---|
488 | ($todir[$toi] eq $fromdir[$fromi] &&
|
---|
489 | &differentfiles("$fromdir/$fromdir[$fromi]","$todir/$todir[$toi]",
|
---|
490 | $verbosity)))) {
|
---|
491 |
|
---|
492 | # the files are different
|
---|
493 | &rm_r("$todir/$todir[$toi]");
|
---|
494 | splice(@todir, $toi, 1); # $toi stays the same
|
---|
495 |
|
---|
496 | } elsif ($todir[$toi] eq $fromdir[$fromi]) {
|
---|
497 | # the files are the same
|
---|
498 | # if it is a directory, check its contents
|
---|
499 | if (-d "$todir/$todir[$toi]") {
|
---|
500 | &cachedir ("$fromdir/$fromdir[$fromi]",
|
---|
501 | "$todir/$todir[$toi]", $verbosity);
|
---|
502 | }
|
---|
503 |
|
---|
504 | $toi++;
|
---|
505 | $fromi++;
|
---|
506 | next;
|
---|
507 | }
|
---|
508 | }
|
---|
509 |
|
---|
510 | # see if we should insert a file/directory
|
---|
511 | # we should insert a file/directory if there
|
---|
512 | # is no tofiles left or if the tofile does not exist
|
---|
513 | if ($fromi < scalar(@fromdir) && ($toi >= scalar(@todir) ||
|
---|
514 | $todir[$toi] gt $fromdir[$fromi])) {
|
---|
515 | &cp_r ("$fromdir/$fromdir[$fromi]", "$todir/$fromdir[$fromi]");
|
---|
516 | splice (@todir, $toi, 0, $fromdir[$fromi]);
|
---|
517 |
|
---|
518 | $toi++;
|
---|
519 | $fromi++;
|
---|
520 | }
|
---|
521 | }
|
---|
522 | }
|
---|
523 |
|
---|
524 | # this function returns -1 if either file is not found
|
---|
525 | # assumes that $file1 and $file2 are absolute file names or
|
---|
526 | # in the current directory
|
---|
527 | # $file2 is allowed to be newer than $file1
|
---|
528 | sub differentfiles {
|
---|
529 | my ($file1, $file2, $verbosity) = @_;
|
---|
530 | $verbosity = 1 unless defined $verbosity;
|
---|
531 |
|
---|
532 | $file1 =~ s/\/+$//;
|
---|
533 | $file2 =~ s/\/+$//;
|
---|
534 |
|
---|
535 | my ($file1name) = $file1 =~ /\/([^\/]*)$/;
|
---|
536 | my ($file2name) = $file2 =~ /\/([^\/]*)$/;
|
---|
537 |
|
---|
538 | return -1 unless (-e $file1 && -e $file2);
|
---|
539 | if ($file1name ne $file2name) {
|
---|
540 | print STDERR "filenames are not the same\n" if ($verbosity >= 2);
|
---|
541 | return 1;
|
---|
542 | }
|
---|
543 |
|
---|
544 | my @file1stat = stat ($file1);
|
---|
545 | my @file2stat = stat ($file2);
|
---|
546 |
|
---|
547 | if (-d $file1) {
|
---|
548 | if (! -d $file2) {
|
---|
549 | print STDERR "one file is a directory\n" if ($verbosity >= 2);
|
---|
550 | return 1;
|
---|
551 | }
|
---|
552 | return 0;
|
---|
553 | }
|
---|
554 |
|
---|
555 | # both must be regular files
|
---|
556 | unless (-f $file1 && -f $file2) {
|
---|
557 | print STDERR "one file is not a regular file\n" if ($verbosity >= 2);
|
---|
558 | return 1;
|
---|
559 | }
|
---|
560 |
|
---|
561 | # the size of the files must be the same
|
---|
562 | if ($file1stat[7] != $file2stat[7]) {
|
---|
563 | print STDERR "different sized files\n" if ($verbosity >= 2);
|
---|
564 | return 1;
|
---|
565 | }
|
---|
566 |
|
---|
567 | # the second file cannot be older than the first
|
---|
568 | if ($file1stat[9] > $file2stat[9]) {
|
---|
569 | print STDERR "file is older\n" if ($verbosity >= 2);
|
---|
570 | return 1;
|
---|
571 | }
|
---|
572 |
|
---|
573 | return 0;
|
---|
574 | }
|
---|
575 |
|
---|
576 |
|
---|
577 | sub get_tmp_filename
|
---|
578 | {
|
---|
579 | my $file_ext = shift(@_) || undef;
|
---|
580 |
|
---|
581 | my $opt_dot_file_ext = (defined $file_ext) ? ".$file_ext" : "";
|
---|
582 |
|
---|
583 | my $tmpdir = filename_cat($ENV{'GSDLHOME'}, "tmp");
|
---|
584 | &mk_all_dir ($tmpdir) unless -e $tmpdir;
|
---|
585 |
|
---|
586 | my $count = 1000;
|
---|
587 | my $rand = int(rand $count);
|
---|
588 | my $full_tmp_filename = &filename_cat($tmpdir, "F$rand$opt_dot_file_ext");
|
---|
589 |
|
---|
590 | while (-e $full_tmp_filename) {
|
---|
591 | $rand = int(rand $count);
|
---|
592 | $full_tmp_filename = &filename_cat($tmpdir, "F$rand$opt_dot_file_ext");
|
---|
593 | $count++;
|
---|
594 | }
|
---|
595 |
|
---|
596 | return $full_tmp_filename;
|
---|
597 | }
|
---|
598 |
|
---|
599 | sub filename_to_regex {
|
---|
600 | my $filename = shift (@_);
|
---|
601 |
|
---|
602 | # need to put single backslash back to double so that regex works
|
---|
603 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
604 | $filename =~ s/\\/\\\\/g;
|
---|
605 | }
|
---|
606 | return $filename;
|
---|
607 | }
|
---|
608 |
|
---|
609 | sub filename_cat {
|
---|
610 | my $first_file = shift(@_);
|
---|
611 | my (@filenames) = @_;
|
---|
612 |
|
---|
613 | # Useful for debugging
|
---|
614 | # -- might make sense to call caller(0) rather than (1)??
|
---|
615 | # my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(1);
|
---|
616 | # print STDERR "Calling method; $cfilename:$cline $cpackage->$csubr\n";
|
---|
617 |
|
---|
618 | # If first_file is not null or empty, then add it back into the list
|
---|
619 | if (defined $first_file && $first_file =~ /\S/) {
|
---|
620 | unshift(@filenames, $first_file);
|
---|
621 | }
|
---|
622 |
|
---|
623 | my $filename = join("/", @filenames);
|
---|
624 |
|
---|
625 | # remove duplicate slashes and remove the last slash
|
---|
626 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
627 | $filename =~ s/[\\\/]+/\\/g;
|
---|
628 | } else {
|
---|
629 | $filename =~ s/[\/]+/\//g;
|
---|
630 | # DB: want a filename abc\de.html to remain like this
|
---|
631 | }
|
---|
632 | $filename =~ s/[\\\/]$//;
|
---|
633 |
|
---|
634 | return $filename;
|
---|
635 | }
|
---|
636 |
|
---|
637 | sub tidy_up_oid {
|
---|
638 | my ($OID) = @_;
|
---|
639 | if ($OID =~ /\./) {
|
---|
640 | print STDERR "Warning, identifier $OID contains periods (.), removing them\n";
|
---|
641 | $OID =~ s/\.//g; #remove any periods
|
---|
642 | }
|
---|
643 | if ($OID =~ /^\s.*\s$/) {
|
---|
644 | print STDERR "Warning, identifier $OID starts or ends with whitespace. Removing it\n";
|
---|
645 | # remove starting and trailing whitespace
|
---|
646 | $OID =~ s/^\s+//;
|
---|
647 | $OID =~ s/\s+$//;
|
---|
648 | }
|
---|
649 | if ($OID =~ /^[\d]*$/) {
|
---|
650 | print STDERR "Warning, identifier $OID contains only digits. Prepending 'D'.\n";
|
---|
651 | $OID = "D" . $OID;
|
---|
652 | }
|
---|
653 |
|
---|
654 | return $OID;
|
---|
655 | }
|
---|
656 | sub envvar_prepend {
|
---|
657 | my ($var,$val) = @_;
|
---|
658 |
|
---|
659 | # do not prepend any value/path that's already in the environment variable
|
---|
660 | if ($ENV{'GSDLOS'} =~ /^windows$/i)
|
---|
661 | {
|
---|
662 | my $escaped_val = $val;
|
---|
663 | $escaped_val =~ s/\\/\\\\/g; # escape any Windows backslashes for upcoming regex
|
---|
664 | if($ENV{$var} !~ m/$escaped_val/) {
|
---|
665 | $ENV{$var} = "$val;".$ENV{$var};
|
---|
666 | }
|
---|
667 | }
|
---|
668 | else {
|
---|
669 | if($ENV{$var} !~ m/$val/) {
|
---|
670 | $ENV{$var} = "$val:".$ENV{$var};
|
---|
671 | }
|
---|
672 | }
|
---|
673 | }
|
---|
674 |
|
---|
675 | sub envvar_append {
|
---|
676 | my ($var,$val) = @_;
|
---|
677 |
|
---|
678 | # do not append any value/path that's already in the environment variable
|
---|
679 | if ($ENV{'GSDLOS'} =~ /^windows$/i)
|
---|
680 | {
|
---|
681 | my $escaped_val = $val;
|
---|
682 | $escaped_val =~ s/\\/\\\\/g; # escape any Windows backslashes for upcoming regex
|
---|
683 | if($ENV{$var} !~ m/$escaped_val/) {
|
---|
684 | $ENV{$var} .= ";$val";
|
---|
685 | }
|
---|
686 | }
|
---|
687 | else {
|
---|
688 | if($ENV{$var} !~ m/$val/) {
|
---|
689 | $ENV{$var} .= ":$val";
|
---|
690 | }
|
---|
691 | }
|
---|
692 | }
|
---|
693 |
|
---|
694 |
|
---|
695 | # splits a filename into a prefix and a tail extension using the tail_re, or
|
---|
696 | # if that fails, splits on the file_extension . (dot)
|
---|
697 | sub get_prefix_and_tail_by_regex {
|
---|
698 |
|
---|
699 | my ($filename,$tail_re) = @_;
|
---|
700 |
|
---|
701 | my ($file_prefix,$file_ext) = ($filename =~ m/^(.*?)($tail_re)$/);
|
---|
702 | if ((!defined $file_prefix) || (!defined $file_ext)) {
|
---|
703 | ($file_prefix,$file_ext) = ($filename =~ m/^(.*)(\..*?)$/);
|
---|
704 | }
|
---|
705 |
|
---|
706 | return ($file_prefix,$file_ext);
|
---|
707 | }
|
---|
708 |
|
---|
709 | # get full path and file only path from a base_dir (which may be empty) and
|
---|
710 | # file (which may contain directories)
|
---|
711 | sub get_full_filenames {
|
---|
712 | my ($base_dir, $file) = @_;
|
---|
713 |
|
---|
714 | my $filename_full_path = $file;
|
---|
715 | # add on directory if present
|
---|
716 | $filename_full_path = &util::filename_cat ($base_dir, $file) if $base_dir =~ /\S/;
|
---|
717 |
|
---|
718 | my $filename_no_path = $file;
|
---|
719 |
|
---|
720 | # remove directory if present
|
---|
721 | $filename_no_path =~ s/^.*[\/\\]//;
|
---|
722 | return ($filename_full_path, $filename_no_path);
|
---|
723 | }
|
---|
724 |
|
---|
725 | # returns the path of a file without the filename -- ie. the directory the file is in
|
---|
726 | sub filename_head {
|
---|
727 | my $filename = shift(@_);
|
---|
728 |
|
---|
729 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
730 | $filename =~ s/[^\\\\]*$//;
|
---|
731 | }
|
---|
732 | else {
|
---|
733 | $filename =~ s/[^\\\/]*$//;
|
---|
734 | }
|
---|
735 |
|
---|
736 | return $filename;
|
---|
737 | }
|
---|
738 |
|
---|
739 |
|
---|
740 | # returns 1 if filename1 and filename2 point to the same
|
---|
741 | # file or directory
|
---|
742 | sub filenames_equal {
|
---|
743 | my ($filename1, $filename2) = @_;
|
---|
744 |
|
---|
745 | # use filename_cat to clean up trailing slashes and
|
---|
746 | # multiple slashes
|
---|
747 | $filename1 = filename_cat ($filename1);
|
---|
748 | $filename2 = filename_cat ($filename2);
|
---|
749 |
|
---|
750 | # filenames not case sensitive on windows
|
---|
751 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
752 | $filename1 =~ tr/[A-Z]/[a-z]/;
|
---|
753 | $filename2 =~ tr/[A-Z]/[a-z]/;
|
---|
754 | }
|
---|
755 | return 1 if $filename1 eq $filename2;
|
---|
756 | return 0;
|
---|
757 | }
|
---|
758 |
|
---|
759 | sub filename_within_collection
|
---|
760 | {
|
---|
761 | my ($filename) = @_;
|
---|
762 |
|
---|
763 | my $collect_dir = $ENV{'GSDLCOLLECTDIR'};
|
---|
764 |
|
---|
765 | if (defined $collect_dir) {
|
---|
766 | my $dirsep = &util::get_dirsep();
|
---|
767 | if ($collect_dir !~ m/$dirsep$/) {
|
---|
768 | $collect_dir .= $dirsep;
|
---|
769 | }
|
---|
770 |
|
---|
771 | $collect_dir =~ s/\\/\\\\/g; # escape DOS style file separator
|
---|
772 |
|
---|
773 | # if from within GSDLCOLLECTDIR, then remove directory prefix
|
---|
774 | # so source_filename is realative to it. This is done to aid
|
---|
775 | # portability, i.e. the collection can be moved to somewhere
|
---|
776 | # else on the file system and the archives directory will still
|
---|
777 | # work. This is needed, for example in the applet version of
|
---|
778 | # GLI where GSDLHOME/collect on the server will be different to
|
---|
779 | # the collect directory of the remove user. Of course,
|
---|
780 | # GSDLCOLLECTDIR subsequently needs to be put back on to turn
|
---|
781 | # it back into a full pathname.
|
---|
782 |
|
---|
783 | if ($filename =~ /^$collect_dir(.*)$/) {
|
---|
784 | $filename = $1;
|
---|
785 | }
|
---|
786 | }
|
---|
787 |
|
---|
788 | return $filename;
|
---|
789 | }
|
---|
790 |
|
---|
791 | sub filename_is_absolute
|
---|
792 | {
|
---|
793 | my ($filename) = @_;
|
---|
794 |
|
---|
795 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
796 | return ($filename =~ m/^(\w:)?\\/);
|
---|
797 | }
|
---|
798 | else {
|
---|
799 | return ($filename =~ m/^\//);
|
---|
800 | }
|
---|
801 | }
|
---|
802 |
|
---|
803 |
|
---|
804 | ## @method make_absolute()
|
---|
805 | #
|
---|
806 | # Ensure the given file path is absolute in respect to the given base path.
|
---|
807 | #
|
---|
808 | # @param $base_dir A string denoting the base path the given dir must be
|
---|
809 | # absolute to.
|
---|
810 | # @param $dir The directory to be made absolute as a string. Note that the
|
---|
811 | # dir may already be absolute, in which case it will remain
|
---|
812 | # unchanged.
|
---|
813 | # @return The now absolute form of the directory as a string.
|
---|
814 | #
|
---|
815 | # @author John Thompson, DL Consulting Ltd.
|
---|
816 | # @copy 2006 DL Consulting Ltd.
|
---|
817 | #
|
---|
818 | #used in buildcol.pl, doesn't work for all cases --kjdon
|
---|
819 | sub make_absolute {
|
---|
820 |
|
---|
821 | my ($base_dir, $dir) = @_;
|
---|
822 | ### print STDERR "dir = $dir\n";
|
---|
823 | $dir =~ s/[\\\/]+/\//g;
|
---|
824 | $dir = $base_dir . "/$dir" unless ($dir =~ m|^(\w:)?/|);
|
---|
825 | $dir =~ s|^/tmp_mnt||;
|
---|
826 | 1 while($dir =~ s|/[^/]*/\.\./|/|g);
|
---|
827 | $dir =~ s|/[.][.]?/|/|g;
|
---|
828 | $dir =~ tr|/|/|s;
|
---|
829 | ### print STDERR "dir = $dir\n";
|
---|
830 |
|
---|
831 | return $dir;
|
---|
832 | }
|
---|
833 | ## make_absolute() ##
|
---|
834 |
|
---|
835 | sub get_dirsep {
|
---|
836 |
|
---|
837 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
838 | return "\\";
|
---|
839 | } else {
|
---|
840 | return "\/";
|
---|
841 | }
|
---|
842 | }
|
---|
843 |
|
---|
844 | sub get_os_dirsep {
|
---|
845 |
|
---|
846 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
847 | return "\\\\";
|
---|
848 | } else {
|
---|
849 | return "\\\/";
|
---|
850 | }
|
---|
851 | }
|
---|
852 |
|
---|
853 | sub get_re_dirsep {
|
---|
854 |
|
---|
855 | return "\\\\|\\\/";
|
---|
856 | }
|
---|
857 |
|
---|
858 |
|
---|
859 | sub get_dirsep_tail {
|
---|
860 | my ($filename) = @_;
|
---|
861 |
|
---|
862 | # returns last part of directory or filename
|
---|
863 | # On unix e.g. a/b.d => b.d
|
---|
864 | # a/b/c => c
|
---|
865 |
|
---|
866 | my $dirsep = get_re_dirsep();
|
---|
867 | my @dirs = split (/$dirsep/, $filename);
|
---|
868 | my $tail = pop @dirs;
|
---|
869 |
|
---|
870 | # - caused problems under windows
|
---|
871 | #my ($tail) = ($filename =~ m/^(?:.*?$dirsep)?(.*?)$/);
|
---|
872 |
|
---|
873 | return $tail;
|
---|
874 | }
|
---|
875 |
|
---|
876 |
|
---|
877 | # if this is running on windows we want binaries to end in
|
---|
878 | # .exe, otherwise they don't have to end in any extension
|
---|
879 | sub get_os_exe {
|
---|
880 | return ".exe" if $ENV{'GSDLOS'} =~ /^windows$/i;
|
---|
881 | return "";
|
---|
882 | }
|
---|
883 |
|
---|
884 |
|
---|
885 | # test to see whether this is a big or little endian machine
|
---|
886 | sub is_little_endian
|
---|
887 | {
|
---|
888 | # To determine the name of the operating system, the variable $^O is a cheap alternative to pulling it out of the Config module;
|
---|
889 | # 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
|
---|
890 | # Otherwise, it's little endian
|
---|
891 |
|
---|
892 | #return 0 if $^O =~ /^darwin$/i;
|
---|
893 | #return 0 if $ENV{'GSDLOS'} =~ /^darwin$/i;
|
---|
894 |
|
---|
895 | # Going back to stating exactly whether the machine is little endian
|
---|
896 | # or big endian, without any special case for Macs. Since for rata it comes
|
---|
897 | # back with little endian and for shuttle with bigendian.
|
---|
898 | return (ord(substr(pack("s",1), 0, 1)) == 1);
|
---|
899 | }
|
---|
900 |
|
---|
901 |
|
---|
902 | # will return the collection name if successful, "" otherwise
|
---|
903 | sub use_collection {
|
---|
904 | my ($collection, $collectdir) = @_;
|
---|
905 |
|
---|
906 | if (!defined $collectdir || $collectdir eq "") {
|
---|
907 | $collectdir = &filename_cat ($ENV{'GSDLHOME'}, "collect");
|
---|
908 | }
|
---|
909 |
|
---|
910 | # get and check the collection
|
---|
911 | if (!defined($collection) || $collection eq "") {
|
---|
912 | if (defined $ENV{'GSDLCOLLECTION'}) {
|
---|
913 | $collection = $ENV{'GSDLCOLLECTION'};
|
---|
914 | } else {
|
---|
915 | print STDOUT "No collection specified\n";
|
---|
916 | return "";
|
---|
917 | }
|
---|
918 | }
|
---|
919 |
|
---|
920 | if ($collection eq "modelcol") {
|
---|
921 | print STDOUT "You can't use modelcol.\n";
|
---|
922 | return "";
|
---|
923 | }
|
---|
924 |
|
---|
925 | # make sure the environment variables GSDLCOLLECTION and GSDLCOLLECTDIR
|
---|
926 | # are defined
|
---|
927 | $ENV{'GSDLCOLLECTION'} = $collection;
|
---|
928 | $ENV{'GSDLCOLLECTDIR'} = &filename_cat ($collectdir, $collection);
|
---|
929 |
|
---|
930 | # make sure this collection exists
|
---|
931 | if (!-e $ENV{'GSDLCOLLECTDIR'}) {
|
---|
932 | print STDOUT "Invalid collection ($collection).\n";
|
---|
933 | return "";
|
---|
934 | }
|
---|
935 |
|
---|
936 | # everything is ready to go
|
---|
937 | return $collection;
|
---|
938 | }
|
---|
939 |
|
---|
940 |
|
---|
941 |
|
---|
942 |
|
---|
943 | # will return the collection name if successful, "" otherwise.
|
---|
944 | # Like use_collection (above) but for greenstone 3 (taking account of site level)
|
---|
945 |
|
---|
946 | sub use_site_collection {
|
---|
947 | my ($site, $collection, $collectdir) = @_;
|
---|
948 |
|
---|
949 | if (!defined $collectdir || $collectdir eq "") {
|
---|
950 | die "GSDL3HOME not set.\n" unless defined $ENV{'GSDL3HOME'};
|
---|
951 | $collectdir = &filename_cat ($ENV{'GSDL3HOME'}, "sites", $site, "collect");
|
---|
952 | }
|
---|
953 |
|
---|
954 | # collectdir explicitly set by this point (using $site variable if required).
|
---|
955 | # Can call "old" gsdl2 use_collection now.
|
---|
956 |
|
---|
957 | return use_collection($collection,$collectdir);
|
---|
958 | }
|
---|
959 |
|
---|
960 |
|
---|
961 |
|
---|
962 | sub locate_config_file
|
---|
963 | {
|
---|
964 | my ($file) = @_;
|
---|
965 |
|
---|
966 | my $locations = locate_config_files($file);
|
---|
967 |
|
---|
968 | return shift @$locations; # returns undef if 'locations' is empty
|
---|
969 | }
|
---|
970 |
|
---|
971 |
|
---|
972 | sub locate_config_files
|
---|
973 | {
|
---|
974 | my ($file) = @_;
|
---|
975 |
|
---|
976 | my @locations = ();
|
---|
977 |
|
---|
978 | if (-e $file) {
|
---|
979 | # Clearly specified (most likely full filename)
|
---|
980 | # No need to hunt in 'etc' directories, return value unchanged
|
---|
981 | push(@locations,$file);
|
---|
982 | }
|
---|
983 | else {
|
---|
984 | # Check for collection specific one before looking in global GSDL 'etc'
|
---|
985 | if (defined $ENV{'GSDLCOLLECTDIR'} && $ENV{'GSDLCOLLECTDIR'} ne "") {
|
---|
986 | my $test_collect_etc_filename
|
---|
987 | = &util::filename_cat($ENV{'GSDLCOLLECTDIR'},"etc", $file);
|
---|
988 |
|
---|
989 | if (-e $test_collect_etc_filename) {
|
---|
990 | push(@locations,$test_collect_etc_filename);
|
---|
991 | }
|
---|
992 | }
|
---|
993 | my $test_main_etc_filename
|
---|
994 | = &util::filename_cat($ENV{'GSDLHOME'},"etc", $file);
|
---|
995 | if (-e $test_main_etc_filename) {
|
---|
996 | push(@locations,$test_main_etc_filename);
|
---|
997 | }
|
---|
998 | }
|
---|
999 |
|
---|
1000 | return \@locations;
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 |
|
---|
1004 | sub hyperlink_text
|
---|
1005 | {
|
---|
1006 | my ($text) = @_;
|
---|
1007 |
|
---|
1008 | $text =~ s/(http:\/\/[^\s]+)/<a href=\"$1\">$1<\/a>/mg;
|
---|
1009 | $text =~ s/(^|\s+)(www\.(\w|\.)+)/<a href=\"http:\/\/$2\">$2<\/a>/mg;
|
---|
1010 |
|
---|
1011 | return $text;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 |
|
---|
1015 | # A method to check if a directory is empty (note that an empty directory still has non-zero size!!!)
|
---|
1016 | # Code is from http://episteme.arstechnica.com/eve/forums/a/tpc/f/6330927813/m/436007700831
|
---|
1017 | sub is_dir_empty
|
---|
1018 | {
|
---|
1019 | my ($path) = @_;
|
---|
1020 | opendir DIR, $path;
|
---|
1021 | while(my $entry = readdir DIR) {
|
---|
1022 | next if($entry =~ /^\.\.?$/);
|
---|
1023 | closedir DIR;
|
---|
1024 | return 0;
|
---|
1025 | }
|
---|
1026 | closedir DIR;
|
---|
1027 | return 1;
|
---|
1028 | }
|
---|
1029 |
|
---|
1030 | # Returns the given filename converted using either URL encoding or base64
|
---|
1031 | # encoding, as specified by $rename_method. If the given filename has no suffix
|
---|
1032 | # (if it is just the tailname), then $no_suffix should be some defined value.
|
---|
1033 | sub rename_file {
|
---|
1034 | my ($filename, $rename_method, $no_suffix) = @_;
|
---|
1035 |
|
---|
1036 | if(!$filename) { # undefined or empty string
|
---|
1037 | return $filename;
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | # No longer replace spaces with underscores, since underscores mess with incremental rebuild
|
---|
1041 | ### Replace spaces with underscore. Do this first else it can go wrong below when getting tailname
|
---|
1042 | ###$filename =~ s/ /_/g;
|
---|
1043 |
|
---|
1044 | my ($tailname,$dirname,$suffix);
|
---|
1045 | if($no_suffix) { # given a tailname, no suffix
|
---|
1046 | ($tailname,$dirname) = File::Basename::fileparse($filename);
|
---|
1047 | }
|
---|
1048 | else {
|
---|
1049 | ($tailname,$dirname,$suffix) = File::Basename::fileparse($filename, "\\.(?:[^\\.]+?)\$");
|
---|
1050 | }
|
---|
1051 | $suffix = "" if !$suffix;
|
---|
1052 |
|
---|
1053 | if (!$rename_method) {
|
---|
1054 | print STDERR "WARNING: no file renaming method specified. Defaulting to using URL encoding...\n";
|
---|
1055 | # Debugging information
|
---|
1056 | my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(1);
|
---|
1057 | print STDERR "Calling method: $cfilename:$cline $cpackage->$csubr\n";
|
---|
1058 | } elsif($rename_method eq "none") {
|
---|
1059 | return $filename; # would have already been renamed
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | if (!$rename_method || $rename_method eq "url") {
|
---|
1063 | $tailname = &unicode::url_encode($tailname);
|
---|
1064 | }
|
---|
1065 | elsif ($rename_method eq "base64") {
|
---|
1066 | $tailname = &unicode::base64_encode($tailname);
|
---|
1067 | $tailname =~ s/\s*//sg; # for some reason it adds spaces not just at end but also in middle
|
---|
1068 | }
|
---|
1069 |
|
---|
1070 | $filename = "$tailname$suffix";
|
---|
1071 | $filename = "$dirname$filename" if ($dirname ne "./" && $dirname ne ".\\");
|
---|
1072 |
|
---|
1073 | return $filename;
|
---|
1074 | }
|
---|
1075 |
|
---|
1076 | # makes sure that the file has a gdb extension
|
---|
1077 | sub rename_gdbm_file {
|
---|
1078 | my ($filename_no_ext) = @_;
|
---|
1079 |
|
---|
1080 | my $new_filename = "$filename_no_ext.gdb";
|
---|
1081 | return if (-f $new_filename); # if gdb file exists, don't need to do anything
|
---|
1082 | # try ldb
|
---|
1083 | my $old_filename = "$filename_no_ext.ldb";
|
---|
1084 |
|
---|
1085 | if (-f $old_filename) {
|
---|
1086 | print STDERR "Renaming $old_filename to $new_filename\n";
|
---|
1087 | rename ($old_filename, $new_filename)
|
---|
1088 | || print STDERR "Rename failed: $!\n";
|
---|
1089 | return;
|
---|
1090 | }
|
---|
1091 | # try bdb
|
---|
1092 | $old_filename = "$filename_no_ext.bdb";
|
---|
1093 | if (-f $old_filename) {
|
---|
1094 | print STDERR "Renaming $old_filename to $new_filename\n";
|
---|
1095 | rename ($old_filename, $new_filename)
|
---|
1096 | || print STDERR "Rename failed: $!\n";
|
---|
1097 | return;
|
---|
1098 | }
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 |
|
---|
1102 |
|
---|
1103 | 1;
|
---|