| line | true | false | branch | 
 
| 27 | 70 | 0 | defined $_ ? : | 
 
| 55 | 2 | 3 | if (UNIVERSAL::isa($thing, 'GLOB')) | 
 
| 92 | 0 | 4 | if not ref $_[0] and defined $_[0] and length $_[0] | 
 
| 93 | 0 | 4 | unless $mode | 
 
| 96 | 0 | 4 | unless (defined $expr) | 
 
| 97 | 0 | 0 | if ($mode eq '|-' or $mode eq '-|') | 
 
| 101 | 0 | 0 | unless (defined $open) | 
 
| 112 | 0 | 4 | unless (my $ok = CORE::open($_[0], $mode, $expr, @list)) | 
 
| 113 | 0 | 0 | if ($mode eq '|-' or $mode eq '-|') | 
 
| 120 | 0 | 0 | unless (@list) | 
 
| 127 | 0 | 0 | if ('SCALAR' eq ref $expr) | 
 
| 148 | 0 | 0 | if (@post_handle_args < 3) { } | 
 
| 157 | 0 | 0 | unless ($ret) | 
 
| 169 | 0 | 0 | unless (defined $filename) | 
 
| 173 | 0 | 0 | unless (my $ok = CORE::chroot $filename) | 
 
| 187 | 4 | 4 | if (@args) { } | 
 
| 188 | 1 | 3 | unless ($ret = CORE::chdir $args[0]) | 
 
| 189 | 0 | 1 | if (__is_a_fh($args[0])) { } | 
 
| 198 | 2 | 2 | unless ($ret = CORE::chdir) | 
 
| 201 | 1 | 1 | unless (defined $path) | 
 
| 214 | 1 | 1 | unless (defined $path) | 
 
| 217 | 0 | 1 | if (not defined $path and $^O eq 'VMS') | 
 
| 237 | 0 | 0 | if (__is_a_fh($$args_ar[0])) { } | 
 
| 238 | 0 | 0 | @$args_ar ? : | 
 
| 241 | 0 | 0 | @$args_ar ? : | 
 
| 244 | 0 | 0 | if ($^E) | 
 
| 248 | 0 | 0 | if (@$args_ar) { } | 
 
| 273 | 0 | 0 | if (@length_offset > 1) { } | 
 
|  | 0 | 0 | elsif (@length_offset) { } | 
 
| 283 | 0 | 0 | unless (defined $ret) | 
 
| 286 | 0 | 0 | if ($offset) | 
 
| 287 | 0 | 0 | if ($offset > 0) { } | 
 
| 295 | 0 | 0 | if (defined $length and $length < $real_length) | 
 
| 325 | 0 | 1 | if (@length_offset > 1) { } | 
 
| 332 | 1 | 0 | unless (defined $ret) | 
 
| 354 | 0 | 0 | if (@length_offset > 1) { } | 
 
| 361 | 0 | 0 | unless (defined $ret) | 
 
| 372 | 4 | 2 | $fh ? : | 
 
|  | 2 | 4 | unless (my $ok = $fh ? CORE::close $fh : CORE::close()) | 
 
| 386 | 0 | 0 | unless (my $ok = CORE::seek($fh, $pos, $whence)) | 
 
| 397 | 0 | 0 | unless (my $ok = CORE::sysseek($fh, $pos, $whence)) | 
 
| 408 | 0 | 0 | unless (my $ok = CORE::truncate($fh_or_expr, $length)) | 
 
| 424 | 0 | 1 | unless (my $ok = CORE::opendir($_[0], $dir)) | 
 
| 435 | 0 | 0 | unless (my $ok = CORE::rewinddir $dh) | 
 
| 446 | 1 | 1 | unless (my $ok = CORE::closedir $dh) | 
 
| 461 | 7 | 0 | wantarray ? : | 
 
| 463 | 0 | 7 | if ($^E) | 
 
| 464 | 0 | 0 | if (__is_a_fh($path_or_fh)) | 
 
| 471 | 7 | 0 | wantarray ? : | 
 
| 480 | 0 | 0 | wantarray ? : | 
 
| 482 | 0 | 0 | if ($^E) | 
 
| 483 | 0 | 0 | if (__is_a_fh($path_or_fh)) | 
 
| 490 | 0 | 0 | wantarray ? : | 
 
| 501 | 0 | 0 | unless (defined $fileno) | 
 
| 512 | 0 | 0 | unless (my $ok = CORE::flock($fh, $operation)) | 
 
| 530 | 1 | 4 | if @too_many_args | 
 
| 536 | 2 | 2 | unless (my $ok = CORE::chmod($mode, $target)) | 
 
| 537 | 0 | 2 | if (__is_a_fh($target)) | 
 
| 558 | 1 | 4 | if @too_many_args | 
 
| 562 | 2 | 2 | unless (my $ok = CORE::chown($uid, $gid, $target)) | 
 
| 563 | 0 | 2 | if (__is_a_fh($target)) | 
 
| 588 | 0 | 0 | unless (my $ok = CORE::symlink($old, $new)) | 
 
| 597 | 0 | 0 | @_ ? : | 
 
| 600 | 0 | 0 | unless (my $ok = CORE::readlink $path) | 
 
| 611 | 0 | 0 | unless (my $ok = CORE::rename($old, $new)) | 
 
| 629 | 0 | 0 | if @paths > 1 | 
 
| 631 | 0 | 0 | unless (@paths) | 
 
| 636 | 0 | 0 | unless (my $ok = CORE::unlink(@paths)) | 
 
| 649 | 0 | 0 | if (@args > 1) { } | 
 
| 653 | 0 | 0 | unless (@args) | 
 
| 660 | 0 | 0 | unless ($ret) | 
 
| 672 | 0 | 0 | if @args > 1 | 
 
| 674 | 0 | 0 | unless (@args) | 
 
| 679 | 0 | 0 | unless (my $ok = CORE::rmdir $args[0]) | 
 
| 691 | 0 | 0 | unless defined $pid | 
 
| 699 | 0 | 0 | if @list > 1 | 
 
| 703 | 0 | 0 | if ($!) | 
 
| 713 | 0 | 0 | unless (my $ok = CORE::exec(do {
	$progname
} $progname, @args)) | 
 
| 727 | 0 | 0 | unless (my $ok = CORE::pipe($_[0], $_[1])) | 
 
| 739 | 2 | 0 | unless (defined $layer) | 
 
| 744 | 1 | 1 | unless (my $ok = CORE::binmode($fh_r, $layer)) | 
 
| 760 | 0 | 0 | if @too_many_args | 
 
| 763 | 0 | 0 | unless (my $ok = CORE::utime($atime, $mtime, $target)) | 
 
| 764 | 0 | 0 | if (__is_a_fh($target)) | 
 
| 778 | 0 | 0 | unless (my $ok = CORE::fcntl($fh, $func, $scalar)) | 
 
| 789 | 0 | 0 | if @_ < 4 | 
 
| 794 | 0 | 0 | if ($^E) | 
 
| 798 | 0 | 0 | wantarray ? : | 
 
| 810 | 0 | 0 | unless (my $ok = CORE::socket($_[0], $domain, $type, $protocol)) | 
 
| 824 | 0 | 0 | unless (my $ok = CORE::socketpair($_[0], $_[1], $domain, $type, $protocol)) | 
 
| 835 | 0 | 0 | unless (my $ok = CORE::bind($socket, $name)) | 
 
| 846 | 0 | 0 | unless (my $ok = CORE::connect($socket, $name)) | 
 
| 860 | 0 | 0 | unless (my $ok = CORE::accept($_[1], $generic_socket)) | 
 
| 872 | 0 | 0 | unless (defined $res) | 
 
| 884 | 0 | 0 | unless (defined $res) | 
 
| 895 | 0 | 0 | unless (my $ok = CORE::listen($socket, $queuesize)) | 
 
| 910 | 0 | 0 | unless (defined $res) | 
 
| 925 | 0 | 0 | if (defined $to) { } | 
 
| 932 | 0 | 0 | unless (defined $res) | 
 
| 945 | 0 | 0 | unless ($res) | 
 
| 946 | 0 | 0 | unless defined $res |