gistfile1.txt

  if choice == "Encrypt"
    output = ""
    File.open('Ruby_Plaintext.txt', 'r') do |text|
	  read_in = text.read.split(" ")
	  
	  read_in.each do |plaintext|
	    ciphertext = encrypt(plaintext, key)
		output += ciphertext + " "
	  end
	end
	
	File.open('Ruby_Ciphertext.txt', 'w') { |file| file.write(output) }
    passed = true