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fbehrens/simple grouping.rb

Created February 4, 2010 22:56
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simple grouping.rb
data = <<-HERE
chile,santiago,5000000,02
chile,valparaiso,100000,55
chile,la serena,80000,56
usa,los angeles,15000000,44
usa,washington dc,500000,88
china,beijing,14000000,98
HERE
result = Hash.new{|h,k| h[k] = [] }
data.each do |line|
country , *p = line.chomp.split(",")
result[ country ] << p
end
puts result.inspect
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