以下程序独创，如发现类似者，奖赏大大的！
for /f  %%a in ('date /T') do set cdate=%%a
date 2006-08-29
cd "C:\Program Files\SAS\SAS 9.1"
start sas.exe
@echo off
setlocal enableextensions
echo %time%
call :ProcDelay 500
echo %time%
date %cdate%
goto :EOF
:ProcDelay delayMSec_
setlocal enableextensions
for /f "tokens=1-4 delims=:. " %%h in ("%time%") do set start_=%%h%%i%%j%%k
:_procwaitloop
for /f "tokens=1-4 delims=:. " %%h in ("%time%") do set now_=%%h%%i%%j%%k
set /a diff_=%now_%-%start_%
if %diff_% LSS %1 goto _procwaitloop
endlocal & goto :EOF