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package File::Find::Rule::LibMagic; |
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use warnings; |
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use strict; |
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use base 'File::Find::Rule'; |
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use File::LibMagic 0.96; |
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use Text::Glob qw(glob_to_regex); |
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use Params::Util qw(_ARRAY0 _REGEX); |
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=head1 NAME |
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File::Find::Rule::LibMagic - rule to match on file types or mime types |
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=cut |
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our $VERSION = '0.02'; |
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=head1 SYNOPSIS |
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use File::Find::Rule::LibMagic; |
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my @executables = find( file => magic => '*executable*', in => $searchdir ); |
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my @images = find( file => mime => 'image/*', in => $homepagebase ); |
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=head1 DESCRIPTION |
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File::Find::Rule::LibMagic extends L by matching files |
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depending on their magic file type or MIME type delivered through |
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L from C UNIX command. |
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Every UNIX user (or users of unix-like systems) knows the C command. |
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With this module files can be found depending on their file type from magic |
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database or their MIME type. |
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It conflicts with L. |
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=head1 EXPORT |
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This module doesn't export any function. The provided functionality is called |
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by L according to the matching rules. |
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=head1 SUBROUTINES/METHODS |
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=head2 magic |
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Accepts a list of strings or regular expressions which are approved to match |
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the result of L. |
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=head2 mime |
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Accepts a list of strings or regular expressions which are approved to match |
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the result of L. |
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=cut |
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sub File::Find::Rule::magic |
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{ |
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my $self = shift; |
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local $Text::Glob::strict_wildcard_slash = 0; # allow '/opt/perl32/bin/perl script text executable' |
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my @args = defined( _ARRAY0( $_[0] ) ) ? @{$_[0]} : @_; |
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my @patterns = map { defined( _REGEX( $_ ) ) ? $_ : glob_to_regex $_ } @args; |
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my $lm = File::LibMagic->new(); |
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$self->exec( sub { |
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my $type = $lm->describe_filename($_); |
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foreach my $pattern (@patterns) { return 1 if($type =~ m/$pattern/) } |
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return; |
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} ); |
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} |
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sub File::Find::Rule::mime |
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{ |
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my $self = shift; |
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my @args = defined( _ARRAY0( $_[0] ) ) ? @{$_[0]} : @_; |
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my @patterns = map { defined( _REGEX( $_ ) ) ? $_ : glob_to_regex $_ } @args; |
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my $lm = File::LibMagic->new(); |
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$self->exec( sub { |
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my $type = $lm->checktype_filename($_); |
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foreach my $pattern (@patterns) { return 1 if($type =~ m/$pattern/) } |
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return; |
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} ); |
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} |
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=head1 AUTHOR |
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Jens Rehsack, C<< >> |
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=head1 BUGS |
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Please report any bugs or feature requests to C, or through |
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the web interface at L. I will be notified, and then you'll |
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automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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You can find documentation for this module with the perldoc command. |
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perldoc File::Find::Rule::LibMagic |
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You can also look for information at: |
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=over 4 |
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=item * RT: CPAN's request tracker |
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L |
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=item * AnnoCPAN: Annotated CPAN documentation |
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L |
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=item * CPAN Ratings |
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L |
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=item * Search CPAN |
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L |
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=back |
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=head1 LICENSE AND COPYRIGHT |
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Copyright 2010 Jens Rehsack. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of either: the GNU General Public License as published |
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by the Free Software Foundation; or the Artistic License. |
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See http://dev.perl.org/licenses/ for more information. |
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=cut |
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1; # End of File::Find::Rule::LibMagic |