docs: def do_search(self, line):
          """search [query] Comprehensive search for Science Data Objects across all
          available MNs.
  
          See https://releases.dataone.org/online/api-
          documentation-v2.0.1/design/SearchMetadata.html for the available search terms.
  
          """
          args = self._split_args(line, 0, -1)
          query = " ".join([_f for _f in args if _f])
          self._command_processor.search(query)