Howto: Search multiple keywords from a log file

@set WORK_DIR=%~dp0

@set GREP=D:\Tools\grep.exe

@set INPUT=%WORK_DIR%\ofcdebug.log

@set OUTPUT=%WORK_DIR%\ofcdebug_ex.log

@set KEYWORDS=%WORK_DIR%\keywords.txt

@set EXCLUDE=%WORK_DIR%\exclude.txt

%GREP% -f %KEYWORDS% -i %INPUT% | %GREP% -v -f %EXCLUDE% > %OUTPUT%