| line | !l | l&&!r | l&&r | condition | 
 
| 336 | 0 | 0 | 188 | $x and chmod $x->mode | $mask, $file | 
 
| 400 | 40 | 0 | 0 | defined $ENV{'APPDATA'} and length $ENV{'APPDATA'} | 
 
| 411 | 0 | 0 | 0 | defined $ENV{$env} and length $ENV{$env} | 
 
| 521 | 344 | 0 | 0 | $dist =~ /-undef\z/ and not length $version | 
 
| 548 | 327 | 17 | 0 | not length $version and $dist =~ s/-(\d+\w)$// | 
 
| 551 | 344 | 0 | 0 | $version =~ /^\d+$/ and $dist =~ s/-(\w+)$// | 
 
| 564 | 23 | 1 | 0 | $1 > 6 and $1 & 1 | 
 
|  | 0 | 24 | 0 | $2 and $2 >= 50 | 
 
| 680 | 0 | 329 | 10 | $dpkg and $pkg ne $dpkg | 
 
| 681 | 21 | 306 | 12 | $dver and $ver ne $dver | 
 
| 747 | 0 | 0 | 95 | chmod 0644, $file and utime $now, $now, $file |