One thing is your subroutine call ✓ either declare sub check earlier in the file, so you can just say $result = check;, or add parentheses ($result = &check();) (or both). Calling a sub with & but without () has a special effect that is rarely wanted or needed; it's harmless in this case, but not doing it accidentally is a good habit to form.

I also note that if $target is 100, $guess will reach 99 and stay there forever; try having $max be one more than the end of the possible range.

In reply to Re: Number gussing game by ysth
in thread Number gussing game by juwaidah1990

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