rem The function template can be used as starting point for a new function. 
rem Complete the template into a useful function like this: 
rem Rename the function 
rem Add proper description for the function and its arguments 
rem Fill in the function body 
rem Return desired values 

:myFunctionName    -- function description here
::                 -- %~1: argument description here
SETLOCAL
REM.--function body here
set LocalVar1=...
set LocalVar2=...
(ENDLOCAL & REM -- RETURN VALUES
    IF "%~1" NEQ "" SET %~1=%LocalVar1%
    IF "%~2" NEQ "" SET %~2=%LocalVar2%
)
GOTO:EOF