however I was hoping there's a clever way to work with parameters in pack() itself
As far as I can tell, there isn't one. Though I agree that would have been interesting.

this is meant to be in a CPAN package I wanted to keep it as clean as possible
I suppose that's why you don't want to put the function in its own file? Because it kind of belongs in a separate module?

Why do it even pad numbers on the right side?
Because adding things on the right of your data should not change how the left part is interpreted, I guess

I just thought of another way to do what you want: pack 'H*', 'a12' =~ s/^(.(..)*)$/0$1/rxs. Still not as clear as a function though.

In reply to Re^3: Pack uneven length hex by Eily
in thread Pack uneven length hex by melez

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