gistfile1.rb

  def set_rnd_pass
    digitpct = 0.4
    letterset =  ('A'..'Z').to_a - ['I', 'O']
    #begin
    passwd = ''
    8.times do
      if rand < digitpct
        passwd << rand(10).to_s
      else
        passwd << letterset[rand(letterset.length)]
      end
    end
    self.password = passwd
    encrypt_password
    self.save_without_validation
    passwd
  end