code: def operation_file(uploader, cmd, filename=''):
      
      if cmd == 'list':
          operation_list(uploader)
      if cmd == 'do':
          for path in filename:
              uploader.file_do(path)
      elif cmd == 'format':
          uploader.file_format()
      elif cmd == 'remove':
          for path in filename:
              uploader.file_remove(path)
      elif cmd == 'print':
          for path in filename:
              uploader.file_print(path)
docs: File operations