code: def dmget(files_list):
      
      if isinstance(files_list, str):
          files_list = [files_list]
  
      archive_files = []
      for f in files_list:
          if f.startswith('/archive'):
              archive_files.append(f)
      try:
          subprocess.call(['dmget'] + archive_files)
      except OSError:
          logging.debug('dmget command not found in this machine')
docs: Call GFDL command 'dmget' to access archived files.