Learn to Program, 3rd Edition

Exercises from Chapter 6

“99 Bottles of Beer on the Wall”

(Found here.)

Write a program that prints out the lyrics to that beloved classic, “99 Bottles of Beer on the Wall.”

How You Could Do It

num_at_start = 5 # change to 99 if you want

num_now = num_at_start

while num_now > 2
  puts "#{num_now} bottles of beer on the wall, " +
       "#{num_now} bottles of beer!"
  num_now = num_now - 1

  puts "Take one down, pass it around, " +
       "#{num_now} bottles of beer on the wall!"
end

puts "2 bottles of beer on the wall, 2 bottles of beer!"
puts "Take one down, pass it around, 1 bottle of beer on the wall!"
puts "1 bottle of beer on the wall, 1 bottle of beer!"
puts "Take one down, ...