Merge branch 'blead' into smartmatch

Conflicts:
	t/op/switch.t

1 files changed, 40 insertions, 0 deletions

diff --git a/ext/IO-Compress/examples/io/gzip/gzgrep b/ext/IO-Compress/examples/io/gzip/gzgrep
new file mode 100755
index 0000000000..33820ba064
--- /dev/null
+++ b/ext/IO-Compress/examples/io/gzip/gzgrep
@@ -0,0 +1,40 @@
+#!/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() ;
+}