From: Max Muermann <ruby@...>
Date: 2006-12-06T19:01:28+09:00
Subject: Re: GOLF: hex string to dotted quad

On 12/6/06, Martin DeMello <martindemello@gmail.com> wrote:
> irb(main):021:0> hex_ip = "c0a80167"
> => "c0a80167"
> irb(main):022:0>  ip = hex_ip.scan(/../).map {|i| i.to_i(16)}.join(".")
> => "192.168.1.103"

hex_ip.gsub(/../) {|s| "#{s.hex}."}[0..-2]

The deletion of the trailing '.' is so ugly... but it's a leetle bit shorter ;)

Cheers,
Max