From: Pit Capitain <pit@...>
Date: 2006-12-06T19:13:20+09:00
Subject: Re: GOLF: hex string to dotted quad

Max Muermann schrieb:
> 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 ;)

String#hex is a nice idea.

   hex_ip.scan(/../).map{|s|s.hex}*"."

Regards,
Pit