new_contents: import argparse
  
  from dtoolcore import DataSet
  
  def main(dataset_path, identifier, output_path):
      dataset = DataSet.from_path(dataset_path)
      fpath = dataset.abspath_from_identifier(identifier)
      with open(output_path, "w") as fh:
          shasum_string = "{} {}\n".format(identifier, fpath)
          fh.write(shasum_string)
  
  if __name__ == "__main__":
      parser = argparse.ArgumentParser()
      parser.add_argument("--dataset-path", required=True)
      parser.add_argument("--identifier", required=True)
      parser.add_argument("--output-path", required=True)
      args = parser.parse_args()
  
      main(args.dataset_path, args.identifier, args.output_path)
  
subject: Add sample smart tool for testing purposes