That last bit is a subroutine prototype in Perl. See perlsub for more information. It's generally not used very widely nor accepted as a best practice, but it can give you some clues on what the subroutine might be expecting.

In this case, I believe ($;$) is the prototype for 2 scalar values.

In reply to Re: What does this mean? by perlfan
in thread What does this mean? by hakim-djz

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