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package Path::Iter; |
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31634
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use strict; |
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use warnings; |
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use File::Spec (); |
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641
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$Path::Iter::VERSION = 0.2; |
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sub get_iterator { |
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5407
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my @queue = @_; |
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my %args = (); |
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100
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if (ref $queue[-1] eq 'HASH') { |
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%args = (%args, %{ pop @queue }); |
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} |
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@{ $args{'errors'} } = (); # empty an existing one |
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%{ $args{'initial'} } = (); # empty an existing one |
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for my $queue_item (@queue) { |
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$queue_item = File::Spec->catdir($queue_item); # File::Spec version of =~ s{/+$}{}; |
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$args{'initial'}{$queue_item} = 1; |
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} |
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return sub { |
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100
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return if !@queue; |
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my $path = shift @queue; |
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$path = File::Spec->catdir($path); # File::Spec version of =~ s{/+$}{}; |
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# make it possible to handle symlinks how they want/need |
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# return $path if -l $path; |
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if (-l $path) { |
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100
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if (ref $args{'symlink_handler'} eq 'CODE') { |
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my $is_initial = exists $args{'initial'}->{$path} ? 1 : 0; |
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my ($symlink_traverse) = $args{'symlink_handler'}->($path, $is_initial); |
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if (defined $symlink_traverse && $symlink_traverse) { |
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100
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if ($symlink_traverse == 2) { |
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delete $args{'initial'}->{$path} if $is_initial; |
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$path = readlink($path); |
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$path = File::Spec->catdir($path); # File::Spec version of =~ s{/+$}{}; |
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$args{'initial'}->{$path}++ if $is_initial; |
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} |
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} |
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else { |
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return $path; |
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} |
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} |
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else { |
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return $path; |
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} |
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} |
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100
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if (-d $path) { |
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if (opendir DIR, $path) { |
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100
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217
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my @dir_contents = grep { $_ ne '.' && $_ ne '..' } readdir DIR; |
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278
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168
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closedir DIR; |
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100
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if (@dir_contents) { |
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100
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if (ref $args{'readdir_handler'} eq 'CODE') { |
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2
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push @queue, $args{'readdir_handler'}->( $path, map { File::Spec->catdir($path,$_) } @dir_contents); |
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63
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} |
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else { |
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6
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push @queue, map { File::Spec->catdir($path,$_) } @dir_contents; |
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128
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66
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} |
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} |
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} |
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else { |
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0
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0
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push @{$args{'errors'}}, { |
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0
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0
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'path' => $path, |
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'function' => 'opendir', |
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'args' => [\*DIR, $path], |
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'errno' => int($!), |
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'error' => int($!) . ": $!", |
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}; |
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0
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0
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0
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return if $args{'stop_when_opendir_fails'}; |
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} |
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} |
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81
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132
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return $path; |
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} |
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7
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65
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} |
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85
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1; |