Module: Kgl

Defined in:
lib/kgl.rb,
lib/kgl/version.rb

Constant Summary collapse

VERSION = 
'0.0.3'

Class Method Summary collapse

Class Method Details

.rpw(n, sym = '!#$%&*+,-./:;<=>?@') ⇒ Object 



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# File 'lib/kgl.rb', line 15

module_function def rpw(n, sym='!#$%&*+,-./:;<=>?@')
  ls = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' + sym
  m = ls.length
  `openssl rand #{n}`.bytes.map do |i|
    while m <= i
      i = `openssl rand 1`.bytes[0]
    end
    ls[i]
  end.join
rescue Errno::ENOENT => e
  raise 'Kgl.#rpw requires openssl command'
end