Contents

module BookKeeping
  VERSION = 2
end

class BeerSong
  def lyrics
    verses(99, 0)
  end

  def verses(upper_bound, lower_bound)
    upper_bound.downto(lower_bound).map { |i| verse(i) }.join("\n")
  end

  def verse(number)
    case number
    when 0
      "No more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n"
    when 1
      "%s bottle of beer on the wall, %s bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n" % [number, number]
    when 2
      "%s bottles of beer on the wall, %s bottles of beer.\nTake one down and pass it around, %s bottle of beer on the wall.\n" % [number, number, number - 1]
    else
      "%s bottles of beer on the wall, %s bottles of beer.\nTake one down and pass it around, %s bottles of beer on the wall.\n" % [number, number, number - 1]
    end
  end
end

Version data entries

119 entries across 119 versions & 1 rubygems

Version	Path
trackler-2.0.8.18	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.17	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.16	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.15	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.14	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.13	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.12	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.11	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.10	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.9	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.8	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.7	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.6	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.5	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.4	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.3	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.2	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.8.1	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.7.0	tracks/ruby/exercises/beer-song/example.rb
trackler-2.0.6.44	tracks/ruby/exercises/beer-song/example.rb