/usr/share/backuppc/bin/BackupPC_zcat is in backuppc 3.3.1-4ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | #!/usr/bin/perl
#============================================================= -*-perl-*-
#
# BackupPC_zcat: uncompress files to stdout
#
# DESCRIPTION
#
# Usage: BackupPC_zcat [files...]
#
# BackupPC_zcat is a command-line utility for uncompressing BackupPC
# compressed files.
#
# AUTHOR
# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
# Copyright (C) 2001-2015 Craig Barratt
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#========================================================================
#
# Version 3.3.1, released 11 Jan 2015.
#
# See http://backuppc.sourceforge.net.
#
#========================================================================
use strict;
no utf8;
use lib "/usr/share/backuppc/lib";
use Compress::Zlib;
use BackupPC::FileZIO;
sub zcat
{
my($fh, $fileName) = @_;
my($data, $r, $ret);
while ( ($r = $fh->read(\$data, 65536)) > 0 ) {
print($data);
}
if ( $r < 0 ) {
print(STDERR "$0: can't uncompress $fileName\n");
$ret = 1;
}
$fh->close();
return $ret;
}
my $ret = 0;
if ( @ARGV ) {
while ( @ARGV ) {
if ( defined(my $fh = BackupPC::FileZIO->open($ARGV[0], 0, 1)) ) {
$ret ||= zcat($fh, $ARGV[0]);
} else {
print(STDERR "$0: can't open $ARGV[0]\n");
$ret = 1;
last;
}
shift @ARGV;
}
} else {
my $fh = BackupPC::FileZIO->open(*STDIN, 0, 1);
$ret ||= zcat($fh, "stdin");
}
exit($ret);
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