@echo offfor /f "tokens=* eol= skip=14" %%a in ('wmic nicconfig get MACAddress') do (for /f "tokens=1 delims= " %%b in ("%%a") do (call:mac "%%a"))pause ---saster--->nul&exit:mac(<nul set/p "= Tu mac es: %~1")
@echo offrem calculo de numeros combinatoriostitle Calcular un numero combinatoriomode con cols=40 lines=20:menuclsecho.echo.echo ( X ) X!echo ( ) = ______________echo ( Y ) Y! (X-Y)!echo.&echo.set/p "x=valor de x >>>"if not defined x (goto menu)if %x% LSS 0 (goto menu)set/p "y=valor de y >>>"if not defined y (goto menu)if %y% LSS 0 (goto menu)if not %x% LSS %y% (goto calculo) else (goto menu):calculoset/a "a=b=c=1"set/a "d=%x%-%y%"for /l %%r in (%x%,-1,1) do (set/a a=a*%%r)for /l %%s in (%y%,-1,1) do (set/a b=b*%%s)for /l %%t in (%d%,-1,1) do (set/a c=c*%%t)set res1=%a%set/a res2=%b%*%c%set/a res=%res1%/%res2%echo.echo El resultado es: %res%set "x="set "y="pause>nulgoto menu