The Second Program

the-second-program.rb

# Given this List of Songs, Construct Arrays by Artist and Album
# Hint: Make use of the split() String Method
# http://www.ruby-doc.org/core-1.9.3/String.html#method-i-split

# Simple Example of Data Parsing
songs = [
  "The Magnetic Fields - 69 Love Songs - Parades Go By",
  "The Magnetic Fields - Get Lost - Smoke and Mirrors",
  "Neutral Milk Hotel - In An Aeroplane Over the Sea - Holland 1945",
  "The Magnetic Fields - Get Lost - You, Me, and the Moon",
  "The Magnetic Fields - 69 Love Songs - The Book of Love",
  "Neutral Milk Hotel - In An Aeroplane Over the Sea - The King of Carrot Flowers"
]

# Your goal is to get it to print this list:

# Neutral Milk Hotel - In An Aeroplane Over the Sea - Holland 1945
# Neutral Milk Hotel - In An Aeroplane Over the Sea - The King of Carrot Flowers
# The Magnetic Fields - 69 Love Songs - Parades Go By
# The Magnetic Fields - 69 Love Songs - The Book of Love
# The Magnetic Fields - Get Lost - Smoke and Mirrors
# The Magnetic Fields - Get Lost - You, Me, and the Moon

aeroplane = []
love_songs = []
get_lost = []

neutral_milk_hotel = [aeroplane]
the_magnetic_fields = [love_songs, get_lost]

songs.each do |song|
  album = song.split(" - ")[1]
  case album
  when "In An Aeroplane Over the Sea"
    aeroplane << song
  when "69 Love Songs"
    love_songs << song
  when "Get Lost"
    get_lost << song
  end
end

neutral_milk_hotel.each do |album|
  album.each {|song| puts song}
end

the_magnetic_fields.each do |album|
  album.each {|song| puts song}
end