class Faker::Code

def rut_verificator_digit(rut)
  total = rut.to_s.rjust(8, '0').split(//).zip(%w[3 2 7 6 5 4 3 2]).collect { |a, b| a.to_i * b.to_i }.inject(:+)
  (11 - total % 11).to_s.gsub(/10/, 'k').gsub(/11/, '0')
end