code: function accept_multi(filename, state) {
  	state = state || {};
  	debug.assert(filename).is('string');
  	debug.assert(state).is('object');
  	if(state.directory) { return accept_dir(filename, state); }
  	if(state.file) { return accept_file(filename, state); }
  	return;
  }
docs: Returns true if file or directory should be ignored