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liuweiathust/gist:1516675

Created December 24, 2011 07:20
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read each line's second field, and sort by frequency, return top 10 frequency records
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gistfile1.rb
ARGF.readlines.inject(Hash.new(0)){ |h,l| h[l.chomp.split[1]] += 1;h}.sort.last(10)
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