Generate random str(slug) with ruby

gistfile1.rb

def slug(length=10)
  chars = ('A'..'Z').to_a + ('a'..'z').to_a + (0..9).to_a 
  chars.sample(length).join
end

#usage:

slug
=> "x5ZlWb4Ymf"
slug(6)
=> "bD3hVZ"
slug(8)
=> "6kDnqvdB"

learn by : http://stackoverflow.com/questions/88311/how-best-to-generate-a-random-string-in-ruby