Вот пример работы скрипта _CloseAll на демо, где настроено быстрое исполнение и ничего никуда не выводится:
2012.10.26 10:46:32 _CloseAll EURUSD,M1: removed
2012.10.26 10:46:32 _CloseAll EURUSD,M1: uninit reason 0
2012.10.26 10:46:32 _CloseAll EURUSD,M1: close #4526828 buy 0.10 EURUSD at 1.29326 at price 1.29304
2012.10.26 10:46:31 _CloseAll EURUSD,M1: close #4526829 buy 0.10 EURUSD at 1.29326 at price 1.29304
2012.10.26 10:46:31 _CloseAll EURUSD,M1: close #4526831 buy 0.10 EURUSD at 1.29326 at price 1.29304
2012.10.26 10:46:31 _CloseAll EURUSD,M1: close #4526832 buy 0.10 EURUSD at 1.29313 at price 1.29304
2012.10.26 10:46:31 _CloseAll EURUSD,M1: close #4526834 buy 0.10 EURUSD at 1.29315 at price 1.29304
2012.10.26 10:46:30 _CloseAll EURUSD,M1: close #4526835 buy 0.10 EURUSD at 1.29310 at price 1.29304
2012.10.26 10:46:30 _CloseAll EURUSD,M1: close #4526838 buy 0.10 EURUSD at 1.29317 at price 1.29304
2012.10.26 10:46:30 _CloseAll EURUSD,M1: close #4526839 buy 0.10 EURUSD at 1.29310 at price 1.29304
2012.10.26 10:46:30 _CloseAll EURUSD,M1: close #4526841 buy 0.10 EURUSD at 1.29324 at price 1.29304
2012.10.26 10:46:30 _CloseAll EURUSD,M1: close #4526842 buy 0.10 EURUSD at 1.29324 at price 1.29306
2012.10.26 1:46:29 _CloseAll EURUSD,M1 inputs: Slippage=5;
2012.10.26 10:46:29 _CloseAll EURUSD,M1: loaded successfully
Как видно, 10 ордеров закрылось за 3 секунды.