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ruby: random alphanumeric string

generate random alphanumeric string 'size' characters long

   1  size = 8; (1..size).map{([*('a'..'z')]+[*('A'..'Z')]+[*(1..9)].map{|n|n.to_s}).instance_eval{self[rand(self.size)]}}.join
to ruby random one-liner generation alphanumeric by elliottcable on Jan 21, 2008 6 Comments
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