| line | !l | l&&!r | l&&r | condition | 
 
| 32 | 4 | 75 | 17 | $_ != \(undef) and not defined $$_ | 
 
| 116 | 15 | 6 | 39 | defined $output and defined $error | 
 
|  | 21 | 33 | 6 | defined $output and defined $error and defined $output_file | 
 
|  | 39 | 1 | 5 | defined $output and defined $error and defined $output_file and defined $error_file | 
 
|  | 34 | 3 | 2 | defined $output and defined $error and defined $output_file and defined $error_file and $output == $error | 
 
|  | 4 | 0 | 2 | defined $output and defined $error and defined $output_file and defined $error_file and $output == $error and $output != \(undef) | 
 
|  | 3 | 1 | 1 | defined $output and defined $error and defined $output_file and defined $error_file and $output == $error and $output != \(undef) and $output_file ne $error_file | 
 
|  | 48 | 8 | 3 | not defined $output || defined $error and defined $output_file | 
 
|  | 56 | 1 | 2 | not defined $output || defined $error and defined $output_file and defined $error_file | 
 
|  | 9 | 1 | 1 | not defined $output || defined $error and defined $output_file and defined $error_file and $output_file ne $error_file | 
 
| 155 | 2 | 0 | 110 | defined fileno $orig_fh and not _is_wperl() | 
 
| 204 | 20 | 10 | 80 | ref $capture_var and $newio_file | 
 
| 215 | 20 | 0 | 90 | defined $newio_file and -e $newio_file |