if both '-p' and '-r' are used, scores that match either will be shown
rather than scores that match both;
nethack -s -v
- show scores only for the current version if the high scores file (record)
- also contains entries for any older versions; when -v is used, it should
+ show scores for all versions present in the high scores file (record)
+ if scores for any older versions are present; by default, only scores
+ for current version of nethack are shown; when -v is used, it should
immediately follow -s or --scores, preceding any name(s) or -p or -r;
nethack -dDir -s
nethack --directory:Dir -s