PPAP

ppap.rb

# https://www.youtube.com/watch?v=Ct6BUPvE2sM

def ouhh(left, right)
  if left == "pen" && right == "apple"
    "apple-pen"
  elsif left == "pen" && right == "pineapple"
    return "pineapple-pen"
  elsif left == "apple-pen" && right == "pineapple-pen"
    return "pen-pineapple-apple-pen"
  end
end

def i_have_a(thing)
  if thing == "apple" || thing == "pineapple" || thing == "pen"
    puts "I have a #{thing}"
  elsif thing.include? "-"
    puts "ouhh! #{thing}"
  else
    puts thing
  end
end

def stretch(thing)
  puts thing.sub(/[aeiou]/) { |vowel| vowel * 10 }
end


i_have_a "pen"
i_have_a "apple"
apple_pen = ouhh "pen", "apple"
i_have_a apple_pen

i_have_a "pen"
i_have_a "pineapple"
pineapple_pen = ouhh "pen", "pineapple"
i_have_a  pineapple_pen

stretch apple_pen
stretch pineapple_pen

i_have_a ouhh apple_pen, pineapple_pen

ruby /tmp/ppap.rb

I have a pen
I have a apple
ouhh! apple-pen
I have a pen
I have a pineapple
ouhh! pineapple-pen
aaaaaaaaaapple-pen
piiiiiiiiiineapple-pen
ouhh! pen-pineapple-apple-pen