And the UserSID.bat looks like this:

@echo off
set sid=
If {%2}=={} goto syntax
REM if not exist %1\c$ goto syntax
for /f "Skip=2 Tokens=7" %%i in ('getsid %1 %2 %1 %2') do echo %%i > sid.txt
goto :EOF
:syntax
@echo Syntax call UserSID \\DC_or_Local UserName