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package WWW::ActiveState::PPM; |
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=pod |
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=head1 NAME |
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WWW::ActiveState::PPM - Scrape build status from the ActiveState build farm |
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=head1 DESCRIPTION |
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B |
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B |
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B |
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This module is used to extract the build state of all the modules from the |
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ActiveState PPM website, located at L. |
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=head1 METHODS |
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=cut |
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use 5.006; |
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use strict; |
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use LWP::Simple (); |
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use vars qw{$VERSION}; |
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BEGIN { |
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$VERSION = '0.01'; |
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} |
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my $BASEURI = "http://ppm.activestate.com/BuildStatus/"; |
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##################################################################### |
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# Constructor |
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=pod |
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=head2 new |
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my $scraper = WWW::ActiveState::PPM->new( |
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trace => 0, |
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version => '5.10', |
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); |
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The C constructor creates a new website scraping object. |
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The optional boolean C param (off by default) is |
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supplied to make the scraping object print status to STDOUT |
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as it runs. |
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The optional C param (5.10 by default) is used to |
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set the version of Perl that the scraper should target. |
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Legal values are '5.6', '5.8' and '5.10'. |
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Returns a new B object, or throws an |
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exception on error. |
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=cut |
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sub new { |
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my $class = shift; |
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my $self = bless { @_ }, $class; |
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$self->{version} ||= '5.10'; |
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1
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$self->{trace} = !! $self->{trace}; |
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1
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$self->{dists} = {}; |
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1
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return $self; |
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} |
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=pod |
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=head2 trace |
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The C accessor is used to discover if tracing is enabled |
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for the object. |
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=cut |
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sub trace { |
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1
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$_[0]->{trace}; |
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} |
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=pod |
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=head2 version |
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The C accessor returns the version of Perl that the scraper |
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is targetting. |
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=cut |
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sub version { |
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$_[0]->{version}; |
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} |
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=pod |
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=head2 run |
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The C method is used to kick off the parsing process. |
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Returns true when all packages have been checked, or throws an |
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exception if an error occurs. |
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=cut |
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112
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sub run { |
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my $self = shift; |
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114
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1
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4
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foreach my $letter ( 'A' .. 'Z' ) { |
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1
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4
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my $uri = "$BASEURI$self->{version}-$letter.html"; |
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print "Processing letter $letter...\n" if $self->trace; |
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1
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$self->_scrape( $uri ); |
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} |
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0
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0
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return 1; |
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} |
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122
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sub _scrape { |
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1
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my $self = shift; |
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1
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3
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my $uri = shift; |
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1
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8
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my $content = LWP::Simple::get($uri); |
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1
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14405202
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unless ( defined $content ) { |
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0
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0
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die "Failed to fetch $uri"; |
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} |
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130
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# Get the table |
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1
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unless ( $content =~ m/\(.+?)\<\/table\>/s ) {
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1
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die "Failed to find packages table"; |
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} |
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0
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my $table = $1; |
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136
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# Separate out the rows |
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0
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my @rows = $table =~ m/\ | ]*\>(.+?)\<\/tr\>/sg;
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0
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0
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unless ( @rows ) { |
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0
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die "Failed to find rows"; |
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} |
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141
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142
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# Get the platforms |
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0
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my $headers = $rows[0]; |
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0
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my @platforms = $headers =~ m/\ | (\w+)\<\/th\>/sg;
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0
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0
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unless ( @platforms ) { |
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die "Failed to find platforms"; |
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147
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} |
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149
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# Process the rows |
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0
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foreach my $rownum ( 0 .. $#rows ) { |
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0
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my $row = $rows[$rownum]; |
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0
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my $record = {}; |
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153
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154
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# Skip headers |
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0
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0
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next if $row =~ /\ |
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156
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157
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# Parse the row |
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0
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0
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unless ( $row =~ m/\ | (.+?)\<\/td\>/s ) { |
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159
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die "Failed to find package on row $rownum"; |
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160
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} |
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0
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my $pkg = $record->{package} = $1; |
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0
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0
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unless ( $row =~ m/\ | (.+?)\<\/td\>/s ) { |
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0
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die "Failed to find version on row $rownum"; |
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164
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} |
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0
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$record->{version} = $1; |
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0
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my @results = $row =~ m/\ | .+?\<\/td\>/sg; |
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167
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0
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0
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unless ( @results = @platforms ) { |
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168
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0
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die "Failed to find expected results on row $rownum"; |
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169
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} |
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170
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0
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foreach ( 0 .. $#platforms ) { |
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0
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$record->{$platforms[$_]} = $results[$_]; |
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} |
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173
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174
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# Add to the collection |
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0
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$self->{dists}->{$pkg} = $record; |
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} |
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177
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0
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return 1; |
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179
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} |
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181
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1; |
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182
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183
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=pod |
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184
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185
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=head1 SUPPORT |
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186
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187
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Bugs should be reported via the CPAN bug tracker |
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189
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L |
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190
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191
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For other issues, contact the author. |
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192
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193
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=head1 AUTHOR |
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194
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195
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Adam Kennedy Eadamk@cpan.orgE |
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196
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197
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=head1 SEE ALSO |
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198
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199
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L |
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200
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201
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=head1 COPYRIGHT |
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202
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203
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Copyright 2008 Adam Kennedy. |
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204
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205
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This program is free software; you can redistribute |
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206
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it and/or modify it under the same terms as Perl itself. |
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207
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208
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The full text of the license can be found in the |
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209
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LICENSE file included with this module. |
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210
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211
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=cut |
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