Mercurial > ec-dotfiles
comparison bin/randstr @ 586:ecff9d2c0500
Simple random string generator
author | nanaya <me@myconan.net> |
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date | Mon, 16 May 2016 18:21:24 +0900 |
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585:e9f7eeb4a0f1 | 586:ecff9d2c0500 |
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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) |