comparison bin/randstr @ 586:ecff9d2c0500

Simple random string generator
author nanaya <me@myconan.net>
date Mon, 16 May 2016 18:21:24 +0900
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585:e9f7eeb4a0f1 586:ecff9d2c0500
1 #!/usr/bin/env ruby
2
3 require "securerandom"
4
5 def random_base62(length)
6 group = ["A".."Z", "a".."z", "0".."9"].map(&:to_a).flatten
7
8 length.times.map do |x|
9 group[SecureRandom.random_number(group.length)]
10 end.join
11 end
12
13 length = ARGV[0].to_i
14 length = 12 if length <= 0
15
16 puts random_base62(length)