REM Exmaple DOS batch template file
@echo off
echo My message
 
REM Check passed parameters are correct
set _argcActual=0
set _argcExpected=3
for %%i in (%*) do set /A _argcActual+=1
if %_argcActual% NEQ %_argcExpected% GOTO WrongArgs
 
 
REM Does a file exist?
IF NOT EXIST %3\my.exe GOTO CantFindExe
 
REM Do something and check return code
%3\my.exe %1 %2
ECHO %ERRORLEVEL%
IF %ERRORLEVEL% NEQ 0 GOTO NonZeroErrorLevel
 
 
REM Everything is fine so exit normally
Goto End
 
 
:WrongArgs
ECHO Incorrect arguments. Args: xxx yyyy exe_path
exit /b 1
 
 
:CantFindEXE
ECHO Cant find %3\my.exe 
exit /b 2
 
:NonZeroErrorLevel
ECHO Exit code was non zero
exit /b 3
 
:End
ECHO Done.
exit /b 0