public static void pfopAndSave()
{
string bucket = "BUCKET";
string key = "FILE";
string pipeline = "MEDIAPROC_PIPELINE";
string notifyUrl = "NOTIFY_URL";
bool force = false;
string saveAsUri = StringUtils.urlSafeBase64Encode("<SAVEAS_BUCKET>:<SAVEAS_KEY>");
string fops = "<FOPS>" + "|saveas/" + saveAsUri;
Mac mac = new Mac(Settings.AccessKey,Settings.SecretKey);
Pfop px = new Pfop(mac);
PfopResult result = px.pfop(bucket, key, fops, pipeline, notifyUrl, force);
System.Console.WriteLine(result.Response);
// �Ժ���Ը���PersistentId��ѯ�������/���
string persistentId = result.PersistentId;
Prefop pz = new Prefop(persistentId);
PrefopResult zr = pz.prefop();
System.Console.WriteLine(zr.Response);
}