[p5sagit/p5-mst-13.2.git] / ext / Compress / Zlib / examples / gzcat

#!/usr/local/bin/perl

use strict ;
use warnings ;

use Compress::Zlib ;

#die "Usage: gzcat file...\n"
#    unless @ARGV ;

my $filename ;

@ARGV = '-' unless @ARGV ;

foreach my $filename (@ARGV) {
    my $buffer ;

    my $file = $filename ;
    $file = \*STDIN if $file eq '-' ;

    my $gz = gzopen($file, "rb") 
         or die "Cannot open $file: $gzerrno\n" ;

    print $buffer while $gz->gzread($buffer) > 0 ;

    die "Error reading from $filename: $gzerrno" . ($gzerrno+0) . "\n" 
        if $gzerrno != Z_STREAM_END ;
    
    $gz->gzclose() ;
}
Commit	Line	Data
f4c6fd49	1	#!/usr/local/bin/perl
	2
	3	use strict ;
8aa25532	4	use warnings ;
f4c6fd49	5
25f0751f	6	use Compress::Zlib ;
25f0751f	7
f4c6fd49	8	#die "Usage: gzcat file...\n"
	9	# unless @ARGV ;
	10
25f0751f	11	my $filename ;
f4c6fd49	12
	13	@ARGV = '-' unless @ARGV ;
	14
25f0751f	15	foreach my $filename (@ARGV) {
	16	my $buffer ;
	17
	18	my $file = $filename ;
	19	$file = \*STDIN if $file eq '-' ;
f4c6fd49	20
25f0751f	21	my $gz = gzopen($file, "rb")
25f0751f	22	or die "Cannot open $file: $gzerrno\n" ;
f4c6fd49	23
25f0751f	24	print $buffer while $gz->gzread($buffer) > 0 ;
	25
	26	die "Error reading from $filename: $gzerrno" . ($gzerrno+0) . "\n"
	27	if $gzerrno != Z_STREAM_END ;
f4c6fd49	28
25f0751f	29	$gz->gzclose() ;
f4c6fd49	30	}