terse

@echo off
set "ph=c:\windows"
for /f "tokens=3" %%i in ('dir /a-d /s/-c "%ph%" 2^>nul^|findstr /iec:" 字节"') do set n=%%i
set /a "s=%n:~,-3%/1024"
if %s% geq 1 set /a size=%s%%n:~-3%/1024"
echo %size% MB
pause
复制代码