| line | true | false | branch | 
 
| 307 | 0 | 9 | $@ || $Compress::Zlib::VERSION < 2 ? : | 
 
| 337 | 0 | 0 | unless $has_Compress_Zlib | 
 
| 346 | 0 | 1 | if ($_[0] eq ':gzip_external') { } | 
 
|  | 0 | 1 | elsif ($_[0] eq ':gzip_read_open') { } | 
 
|  | 0 | 1 | elsif ($_[0] eq ':gzip_write_open') { } | 
 
| 350 | 0 | 0 | if (@_) { } | 
 
| 363 | 0 | 0 | if (@_) { } | 
 
| 367 | 0 | 0 | unless $gzip_read_open =~ /^.+%s.+\|\s*$/ | 
 
| 379 | 0 | 0 | if (@_) { } | 
 
| 383 | 0 | 0 | unless $gzip_write_open =~ /^\s*\|.+%s.*$/ | 
 
| 404 | 0 | 8 | if ($gzip_external or not $has_Compress_Zlib || defined $gzip_external) { } | 
 
|  | 8 | 0 | elsif ($has_Compress_Zlib) { } | 
 
| 440 | 1 | 7 | if (@_) | 
 
| 442 | 1 | 0 | if (_import($import, @_)) | 
 
| 458 | 14 | 3 | @args ? : | 
 
| 471 | 0 | 17 | unless defined $filename | 
 
| 475 | 14 | 3 | defined $self->{'file'} ? : | 
 
| 482 | 0 | 12 | unless defined $self->{'file'} | 
 
| 488 | 12 | 0 | $status == 0 ? : | 
 
| 498 | 0 | 11 | unless defined $nbytes | 
 
| 500 | 10 | 1 | unless defined $$bufref | 
 
| 504 | 0 | 11 | if $bytesread < 0 | 
 
| 515 | 1 | 6 | if $self->{'file'}->gzreadline($line) <= 0 | 
 
| 517 | 5 | 1 | unless wantarray | 
 
| 536 | 0 | 6 | unless $offset + $length <= length $buf | 
 
| 558 | 1 | 14 | unless $aliased | 
 
| 564 | 12 | 3 | tied ${$self;} ? : | 
 
| 578 | 1 | 1 | unless wantarray | 
 
| 607 | 0 | 0 | if ($mode =~ /r/) { } | 
 
|  | 0 | 0 | elsif ($mode =~ /w/) { } | 
 
| 616 | 0 | 0 | if (-e $filename and open $fh, $filename) { } | 
 
| 623 | 0 | 0 | if ($rdb == 2 and $sig eq "\37\213") | 
 
| 627 | 0 | 0 | if (open $fh, $ropen) { } | 
 
| 639 | 0 | 0 | unless seek $fh, 0, 0 | 
 
| 651 | 0 | 0 | $mode =~ /([1-9])/ ? : | 
 
| 661 | 0 | 0 | if (open $fh, $wopen) { } | 
 
| 693 | 0 | 0 | defined $nread ? : | 
 
| 706 | 0 | 0 | defined $nwrote ? : | 
 
| 717 | 0 | 0 | defined $$bufref ? : |