Ch. 10 Shuffle Exercise From "Learning to Program" by Chris Pine.

Ch. 10 Shuffle Exercise

#still trying to figure out why my shuffled array returns one too few words

puts 'Please enter a list of comma separated words that you would like to shuffle.'

unshuffled = gets.chomp.downcase.split(',')
shuffled = []
indeces = []

def shuffler unshuffled, shuffled, indeces
  
  unshuffled.each do |word|
    
    if unshuffled.length == 1
      
      shuffled[0] == unshuffled.pop
      return shuffled
    
    elsif indeces.length == 0
      i = rand(unshuffled.length).to_i
      word = unshuffled.pop
      shuffled[i] = word
      indeces.push(i)
    
    
    elsif unshuffled.length == 0
        return shuffled
    
    else
      i = rand(unshuffled.length).to_i
    
    end
    
  end
  
end

puts shuffler unshuffled, shuffled, indeces