card_shuffling.rb

# I just realized how easy it is to create a 
# shuffled deck of cards.
# (and to create a gist - thanks github!)

def shuffled_deck
  suits = %w[Hearts Clubs Diamonds Spades]
  pips  = %w[2 3 4 5 6 7 8 9 10 
             Jack Queen King Ace]
  deck  = suits.collect do |s| 
    pips.collect {|p| "#{p} of #{s}" } 
  end.flatten

  # A deck needs about 7 shuffles to be 
  # considered completely randomized.
  7.times { deck = deck.sort_by { rand } }
  return deck
end