From: Rik Hemsley <rik@...>
Date: 2001-11-06T05:05:42+09:00
Subject: [ruby-talk:24420] Re: Help with OO

#if Vincent Foley
> puts l33t(x)
> 
> [/code]
> 
> look at the last line, how would I do to do 'puts x.l33t'?

Ruby lets you extend existing classes at runtime.

class String
  def l33t
    s = self
    s.tr!('eE', '3')
    s.tr!('aA', '4')
    s.tr!('lL', '1')
    s.tr!('oO', '0')
    s.tr!('tT', '7')
    s.tr!('sS', '$5')
    s
  end
end

p "Hello, world!".l33t

rik@without ~ > ruby test.rb
"H3110, w0r1d!"

HTH,
Rik