Branch Coverage

examples/compress-zlib/gzgrep

Criterion	Covered	Total	%
branch	5	8	62.5

line	true	false	branch
8	0	1	unless @ARGV >= 2
16	0	2	unless my $gz = &gzopen($file, "rb")
20	3	12	if /$pattern/
23	0	2	if $main::gzerrno != Z_STREAM_END()