@ECHO OFF
SETLOCAL
SET "admins="
SET "prev="
FOR /f "delims=" %%A IN ('net localgroup administrators') DO (
CALL SET "admins=%%admins%% %%prev%%"
SET "prev=%%A"
)
SET admins=%admins:*- =%
ECHO admins are "%admins%"
GOTO :EOF
This should get you a list of administrators from net localgroup administrators