8 die "Usage: gzgrep pattern file...\n"
15 foreach $file (@ARGV) {
16 my $gz = gzopen($file, "rb")
17 or die "Cannot open $file: $gzerrno\n" ;
19 while ($gz->gzreadline($_) > 0) {
23 die "Error reading from $file: $gzerrno\n"
24 if $gzerrno != Z_STREAM_END ;