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Dec 13th, 2017
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  1. #!/usr/bin/env ruby
  2.  
  3. w = ['0'..'9', 'a'..'z', 'A'..'Z'].map(&:to_a).flatten - ['0', 'O', 'I', 'l', '1']
  4. printf "%s", (0..7).map { w[rand(w.size)] }.join
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