/usr/share/doc/libio-compress-perl/examples/io/gzip/gzappend is in libio-compress-perl 2.052-1.
This file is owned by root:root, with mode 0o644.
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 | #!/usr/bin/perl
use IO::Compress::Gzip qw( $GzipError );
use strict ;
use warnings ;
die "Usage: gzappend gz-file file...\n"
unless @ARGV ;
my $output = shift @ARGV ;
@ARGV = '-' unless @ARGV ;
my $gz = new IO::Compress::Gzip $output, Merge => 1
or die "Cannot open $output: $GzipError\n" ;
$gz->write( [@ARGV] )
or die "Cannot open $output: $GzipError\n" ;
$gz->close;
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