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Feb 1st, 2015
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  1. #!/usr/bin/env ruby
  2.  
  3. f1 = IO.readlines("file1.txt").map(&:chomp)
  4. f2 = IO.readlines("file2.txt").map(&:chomp)
  5.  
  6. File.open("diff.txt","w+"){ |f| f.write((f2-f1).join("\n")) }
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