If you're having trouble with module logic - there is a pretty straight forward way to import subs without making it a module.
If you create a file containing your sub-routine (say called mysub.pl) something like:
#!/usr/bin/perl -w
sub my_sub {
code.....
}
1;
Then in your program simply:
require mysub.pl;that will include that sub in that program for you.
I don't know whether this is the most
efficent way to do it - and you do lose the ability to hide variables etc. - but it is probably worth a try :).
game(Wookie,opponent) eq 'Wookie' ? undef $problem : remove_limbs(arms,opponent);