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annotate bin/randstr @ 725:0a896ffe3029

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author nanaya <me@nanaya.net>
date Mon, 19 Aug 2024 17:03:52 +0900
parents ecff9d2c0500
children
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586
ecff9d2c0500 Simple random string generator
nanaya <me@myconan.net>
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1 #!/usr/bin/env ruby
ecff9d2c0500 Simple random string generator
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2
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3 require "securerandom"
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4
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5 def random_base62(length)
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6 group = ["A".."Z", "a".."z", "0".."9"].map(&:to_a).flatten
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7
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8 length.times.map do |x|
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9 group[SecureRandom.random_number(group.length)]
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10 end.join
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11 end
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12
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13 length = ARGV[0].to_i
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14 length = 12 if length <= 0
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15
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16 puts random_base62(length)