Upgrade to Compress::Zlib 2.000_05

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

diff --git a/ext/Compress/Zlib/examples/gzgrep b/ext/Compress/Zlib/examples/gzgrep
index 324d3e6..33820ba 100755 (executable)
--- a/ext/Compress/Zlib/examples/gzgrep
+++ b/ext/Compress/Zlib/examples/gzgrep
@@ -1,17 +1,30 @@
-#!/usr/local/bin/perl
+#!/usr/bin/perl
 
 use strict ;
 use warnings ;
+use IO::Uncompress::Gunzip qw($GunzipError);
 
-use Compress::Zlib ;
-
-die "Usage: gzgrep pattern file...\n"
-    unless @ARGV >= 2;
+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" ;