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#!/usr/bin/perl |
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use strict; |
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use File::Find; |
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use Getopt::Long; |
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use Pod::Usage; |
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our $VERSION = do{my @r=(q$Revision: 1.2 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
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|
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my $dir = q(.); |
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my $filter = q/\.txt$/; |
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my $listfile; |
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my $oldlistfile; |
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my $newlistfile; |
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|
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GetOptions ( |
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q(target-dir=s) => \$dir, |
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q(target-filter=s) => \$filter, |
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q(list-file=s) => \$listfile, |
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q(removed-list-file=s) => \$oldlistfile, |
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q(added-list-file=s) => \$newlistfile, |
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q(h|help|?) => sub { |
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pod2usage (-exitstatus => 0, -verbose => 2); |
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}, |
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) or pod2usage (-exitstatus => 2, -verbose => 1); |
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pod2usage (-exitstatus => 2, -verbose => 1) |
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unless $listfile and $oldlistfile and $newlistfile; |
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|
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my %newlist; |
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find (sub { |
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if (/$filter/o) { |
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$newlist{$File::Find::name} = 1; |
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} |
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}, $dir); |
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my %list = %newlist; |
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|
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my %oldlist; |
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if (open my $oldlist, '<', $listfile) { |
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while (<$oldlist>) { |
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tr/\x0A\x0D//d; |
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$oldlist{$_} = 1; |
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} |
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} else { |
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warn "$0: $listfile: $!"; |
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} |
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|
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delete $newlist{$_} for keys %oldlist; |
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delete $oldlist{$_} for keys %list; |
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|
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{ |
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open my $list, '>', $listfile or die "$0: $listfile: $!"; |
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print $list $_, "\n" for sort keys %list; |
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} |
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|
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{ |
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open my $newlist, '>', $newlistfile or die "$0: $newlistfile: $!"; |
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print $newlist $_, "\n" for sort keys %newlist; |
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} |
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{ |
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open my $oldlist, '>', $oldlistfile or die "$0: $oldlistfile: $!"; |
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print $oldlist $_, "\n" for sort keys %oldlist; |
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} |
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|
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=head1 NAME |
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|
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difffl.pl - Find difference between previous snapshot of and current file list |
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|
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=head1 SYNOPSIS |
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|
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perl difffl.pl --list-file=file --added-list-file=file --removed-list-file=file [OPTIONS] |
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|
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=head1 DESCRIPTION |
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|
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Find difference between previous snapshot of file list and current file |
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list of certain directory (and its sub-directories). Lists for removed files |
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(ie. files found in previous list but does not in current list) and |
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added files (ie. files not in previous list but in current list) are |
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outputed as separate files and file list snapshot file is updated. |
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|
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=head1 OPTIONS |
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|
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=over 4 |
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|
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=item --added-list-file=file (REQUIRED) |
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|
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Path to added-file-list file. |
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|
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=item --help |
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|
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Show help message. |
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|
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=item --list-file=file (REQUIRED) |
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|
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Path to file-list file. This file should contain previous snapshot |
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of file-list for target directory and is updated to latest file-list. |
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|
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=item --removed-list-file=file (REQUIRED) |
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|
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Path to removed-file-list file. |
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|
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=item --target-dir=directory (Default: C<.>) |
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|
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Path to directory from which files are to be listed. |
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|
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=item --target-filter=regex (Default: C<\.txt$>) |
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|
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Regular expression in Perl format, that filters files found in target |
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directory by their full path name. |
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|
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=back |
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|
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=head1 LICENSE |
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|
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Copyright 2004 Wakaba <w@suika.fam.cx>. All rights reserved. |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the same terms as Perl itself. |
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|
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=cut |
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|
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1; # $Date: 2004/03/11 08:06:26 $ |
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