Batch processing with this script

I find this script and need to do the batch processing and save the files to a new folder. Please anybody help me. Thanks a lot

function main() {
  var doc = app.activeDocument;
  var layerName = "Cut";
  try {
    var _layer = doc.layers[layerName];
  } catch (e) {
    alert("No layer exists with name " + layerName);
  }
  app.executeMenuCommand("deselectall");
  var _pageItems = doc.pageItems;
  for (var i = 0; i < _pageItems.length; i++) {
    if (
      _pageItems[i].stroked &&
      _pageItems[i].strokeColor.red == 255 &&
      _pageItems[i].strokeColor.blue == 0 &&
      _pageItems[i].strokeColor.green == 0
    ) {
      _pageItems.selected = true;
      break;
    }
  }
  app.executeMenuCommand("Find Stroke Color menu item");
  var _allItems = app.selection;
  for (var i = 0; i < _allItems.length; i++) {
    _allItems[i].move(_layer, ElementPlacement.PLACEATEND);
  }
}

main();