From: Timothy Hunter <TimHunter@...>
Date: 2006-06-27T08:50:59+09:00
Subject: Re: Quick quesiton abt an array of characters..

brez! !! wrote:
> This seems like it'd be obvious but haven't had any luck with it..
>
> Let's say I want to build an array of characters in order, i.e.
>
> characters = ['a','b','c','d',..]
>
> If they were numbers I could do this:
>
> r = []
> (0..9).each { |x| r << x}
>
> but how to do for characters?
>
> Thanks
>
>   
irb(main):006:0> r = []
=> []
irb(main):007:0> ('a'..'z').each {|d| r << d}
=> "a".."z"
irb(main):008:0> r
=> ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", 
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]

or

irb(main):009:0> r = []
=> []
irb(main):010:0> c = 'a'
=> "a"
irb(main):011:0> 26.times { r << c; c = c.succ}
=> 26
irb(main):012:0> r
=> ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", 
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]