From: Harry Kakueki <list.push@...>
Date: 2012-07-05T22:40:12+09:00
Subject: Re: Insert letters of the alphabet between the original letters of a string

On Thu, Jul 5, 2012 at 6:24 PM, Hans Mackowiak <lists@ruby-forum.com> wrote:
> Information: cycle and zip does not work on ruby1.8 :D
>

zip is available for 1.8

Anyway, I think this will work on 1.8 and 1.9

s = "STRING"
a = ("a".."z").to_a

t = s.size-1
t.downto(1).each{|x| s.insert(x,a[x%26-1])}
p s


Harry