writeListFile method
Implementation
Future<void> writeListFile() async {
final File file = File(options.listPath);
final String content = toString();
if (await file.exists() && await file.readAsString() == content) return;
await file.writeAsString(content);
final int countY = assets.fold(0, (int count, AssetItem e) {
return e.isUse ? count + 1 : count;
});
final int countN = assets.length - countY;
logger.info('write ${options.listPath} Y($countY) N($countN)');
}