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charlieegan3/gist:8c6faa8804ca5b1a1fc8

Created December 9, 2014 22:52
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sorted_dup_hash
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gistfile1.rb
def sorted_dup_hash(array)
Hash[*array.inject(Hash.new(0)) { |h,e| h[e] += 1; h }.
select { |k,v| v > 1 }.inject({}) { |r, e| r[e.first] = e.last; r }.
sort_by {|_,v| v}.reverse.flatten]
end
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