Something

PASSWD_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"class PasswordGenerator  def PasswordGenerator.generate(length=16)    pwd = ""    length.times do pwd << PASSWD_CHARS[rand(PASSWD_CHARS.size)] end    pwd  endend