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#!/bin/perl |
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#============================================================= -*-perl-*- |
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# |
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# BackupPC_zcat: uncompress files to stdout |
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# |
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# DESCRIPTION |
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# |
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# Usage: BackupPC_zcat [files...] |
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# |
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# BackupPC_zcat is a command-line utility for uncompressing BackupPC |
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# compressed files. |
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# |
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# AUTHOR |
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# Craig Barratt <cbarratt@users.sourceforge.net> |
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# |
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# COPYRIGHT |
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# Copyright (C) 2001-2003 Craig Barratt |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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#======================================================================== |
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# |
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# Version 2.1.0, released 20 Jun 2004. |
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# |
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# See http://backuppc.sourceforge.net. |
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# |
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#======================================================================== |
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|
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use strict; |
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no utf8; |
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|
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use lib "__INSTALLDIR__/lib"; |
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use Compress::Zlib; |
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use BackupPC::FileZIO; |
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|
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sub zcat |
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{ |
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my($fh, $fileName) = @_; |
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my($data, $r, $ret); |
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|
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while ( ($r = $fh->read(\$data, 65536)) > 0 ) { |
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print($data); |
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} |
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if ( $r < 0 ) { |
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print(STDERR "$0: can't uncompress $fileName\n"); |
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$ret = 1; |
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} |
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$fh->close(); |
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return $ret; |
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} |
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|
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my $ret = 0; |
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if ( @ARGV ) { |
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while ( @ARGV ) { |
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if ( defined(my $fh = BackupPC::FileZIO->open($ARGV[0], 0, 1)) ) { |
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$ret ||= zcat($fh, $ARGV[0]); |
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} else { |
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print(STDERR "$0: can't open $ARGV[0]\n"); |
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$ret = 1; |
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last; |
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} |
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shift @ARGV; |
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} |
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} else { |
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my $fh = BackupPC::FileZIO->open(*STDIN, 0, 1); |
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$ret ||= zcat($fh, "stdin"); |
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} |
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exit($ret); |