Take out two ';' and the whitespace after the unless and you're down three more strokes:

for('00'..'99'){$x{$_}++unless$x{reverse()}}print keys%x

[download]

56

----
I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

Note: All code is untested, unless otherwise stated

In reply to Re: Re: Friday Golf: All 2-digit combinations by hardburn
in thread Friday Golf: All 2-digit combinations by PhilHibbs

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