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oneamtu/one_line.rb

Created March 2, 2013 18:04
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Eric's refactoring challenge
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one_line.rb
string.split('.').each_with_index.inject([""]){|a, i| a+[a[i[1]]+"."+i[0]]}.reject(&:empty?).map{|a| a[1..-1]}.join(" && ")
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