If you aren't going for strictness, you can get the same initialization effect with 
($_,$s)=@_

[download]
Which is one char shorter than 
my$s;$_=pop

[download]
If you also want to keep strictness, you can always sidestep it by replacing $s with a global punctuation variable.

-Blake

In reply to Re: Re: Re: Re: Luhn Number Golf by blakem
in thread Luhn Number Golf by Cody Pendant

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