class OmwRandomString

# File lib/omw_random_string.rb, line 2
def self.generate(length = 16)
  # allowed_chars contains the characters to be used by the generator
  allowed_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
  
  # Contains the new random string
  random_string = ""
  
  # set seed for random number to time
  srand Time.now.to_i

  # lookup char given the random number as position of the char
  # add new char to random_string var
  # This is exectude 'length' times
  for i in 1..length do 
    random_string += allowed_chars[rand(allowed_chars.length)]
  end

  # return the random_string so it can be used in your code
  return random_string
end