HeyJude.rb

# Usage: "ruby heyjude.rb [verses] [output file]"
# Inspired by the flowchart at http://loveallthis.tumblr.com/post/166124704

def heyJude(n, fileName)
  f = File.new(fileName, 'w')
  n.times do |run|
    f.syswrite "Hey Jude, "
    if run % 3 == 1
      f.syswrite "don't make it bad\n"
      f.syswrite "take a sad song and make it better\n\n"
    elsif run % 3 == 2
      f.syswrite "don't be afraid\n"
      f.syswrite "you were made to go out and get her\n\n"
    else 
      f.syswrite "don't let me down\n"
      f.syswrite "you have found her, now go and get her\n\n"
    end

    f.syswrite "remember to " +
    if run % 2 == 1
      "let her into your heart\n"
    else 
      "let her under your skin\n"
    end
    f.syswrite "then you " +
    if run % 2 == 1
      "can start"
    else 
      "begin"
    end + " to make it better\n"

    5.times { f.syswrite "better " }

    f.syswrite "waaaa\n\n"

    4.times do
      7.times { f.syswrite "na " }
      f.syswrite "\n"
      4.times { f.syswrite "na " }
      f.syswrite "\n\nHey Jude!\n\n"
    end
  end
end

heyJude(ARGV[0].to_i, ARGV[1])