From: Max Muermann <ruby@...>
Date: 2006-12-06T19:44:06+09:00
Subject: Re: GOLF: hex string to dotted quad

>
> Shorter still :
>
> hex_ip.scan(/../).map{|i|i.hex}*"."
>

Or, based on Carlos' optimisation (and I use the term very loosely in
the context of golfing):

hex_ip.scan(/../).map{$&.hex}*"."

Saves another two characters... and looks horribly perlish.

Max