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- #!/usr/bin/perl
-
- use strict ;
- use warnings ;
-
- use Compress::Zlib ;
-
- die "Usage: gzgrep pattern file...\n"
- unless @ARGV >= 2;
-
- my $pattern = shift ;
-
- my $file ;
-
- 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() ;
- }
-