blob: 33820ba064c642d0ff79a9fb8c7c59c7a0db3d4c (
plain)
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
|
#!/usr/bin/perl
use strict ;
use warnings ;
use IO::Uncompress::Gunzip qw($GunzipError);
die "Usage: gzgrep pattern [file...]\n"
unless @ARGV >= 1;
my $pattern = shift ;
my $file ;
@ARGV = '-' unless @ARGV ;
foreach $file (@ARGV) {
my $gz = new IO::Uncompress::Gunzip $file
or die "Cannot uncompress $file: $GunzipError\n" ;
while (<$gz>) {
print if /$pattern/ ;
}
die "Error reading from $file: $GunzipError\n"
if $GunzipError ;
}
__END__
foreach $file (@ARGV) {
my $gz = gzopen($file, "rb")
or die "Cannot open $file: $gzerrno\n" ;
while ($gz->gzreadline($_) > 0) {
print if /$pattern/ ;
}
die "Error reading from $file: $gzerrno\n"
if $gzerrno != Z_STREAM_END ;
$gz->gzclose() ;
}
|
