From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2012-05-01T02:08:14+09:00
Subject: Re: delete character from array

On Mon, Apr 30, 2012 at 5:33 PM, Ok Ok <lists@ruby-forum.com> wrote:
> Yes that was exactly it. I have one more question maybe you can help me
> with. Is there a way I could delete every 3rd letter in a string?

Another way:

1.9.2p290 :023 > s = "abcdefghi"
 => "abcdefghi"
1.9.2p290 :024 > s.chars.each_slice(3).map {|(a,b,c)| "#{a}#{b}"}.join
 => "abdegh"

Jesus.