Random String example for http://uhhuhyeah.com/distractions/random-strings-in-ruby

random_duethisweek.rb

def create_token(len = 20)
 chars = (("a".."z").to_a + ("1".."9").to_a )- %w(i o 0 1 l 0)
 token = Array.new(len, '').collect{chars[rand(chars.size)]}.join
end