code: def dataset_download_file(self,
                                dataset,
                                file_name,
                                path=None,
                                force=False,
                                quiet=True):
          
          if '/' in dataset:
              self.validate_dataset_string(dataset)
              dataset_urls = dataset.split('/')
              owner_slug = dataset_urls[0]
              dataset_slug = dataset_urls[1]
          else:
              owner_slug = self.get_config_value(self.CONFIG_NAME_USER)
              dataset_slug = dataset
  
          if path is None:
              effective_path = self.get_default_download_dir(
                  'datasets', owner_slug, dataset_slug)
          else:
              effective_path = path
  
          response = self.process_response(
              self.datasets_download_file_with_http_info(
                  owner_slug=owner_slug,
                  dataset_slug=dataset_slug,
                  file_name=file_name,
                  _preload_content=False))
          url = response.retries.history[0].redirect_location.split('?')[0]
          outfile = os.path.join(effective_path, url.split('/')[-1])
          if force or self.download_needed(response, outfile, quiet):
              self.download_file(response, outfile, quiet)
              return True
          else:
              return False
docs: download a single file for a dataset
  
              Parameters
              ==========
              dataset: the string identified of the dataset
                       should be in format [owner]/[dataset-name]
              file_name: the dataset configuration file
              path: if defined, download to this location
              force: force the download if the file already exists (default False)
              quiet: suppress verbose output (default is True)