code: public static Properties readTDConf()
      {
          Properties p = new Properties();
          File file = new File(System.getProperty("user.home", "./"), String.format(".td/td.conf"));
          if (!file.exists()) {
              logger.warn(String.format("config file %s is not found", file));
              return p;
          }
          return readTDConf(file);
      }
docs: Read apikey, user (e-mail address) and password from $HOME/.td/td.conf
  
  @return
  @throws IOException