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- #!/usr/bin/env ruby
- ALPHABET = ['a'..'z', 'A'..'Z', '0'..'9'].collect { |range| range.to_a }.flatten
- class Array; def random; self[rand(self.length)]; end; end
- length = (ARGV.shift || 10).to_i
- puts Array.new(length) { ALPHABET.random }.join
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