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September 26, 2013 22:12
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Ruby: Splitting strings and using each
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# 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 | |
# puts songs.sort | |
neutral_milk_hotel = [] | |
the_magnetic_fields = [] | |
songs.each do |song| | |
if song.split(' - ').first == "Neutral Milk Hotel" | |
neutral_milk_hotel << song | |
else | |
the_magnetic_fields << song | |
end | |
end | |
in_an = [] | |
love_songs = [] | |
get_lost = [] | |
neutral_milk_hotel.each do |song| | |
if song.split(' - ')[1] == "In An Aeroplane Over the Sea" | |
in_an << song | |
end | |
end | |
the_magnetic_fields.each do |song| | |
if song.split(' - ')[1] == "69 Love Songs" | |
love_songs << song | |
else | |
get_lost << song | |
end | |
end | |
puts in_an | |
puts love_songs | |
puts get_lost |
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