Как узнать объем жесткого диска компьютера батником?

.txt


    @echo off
    echo.>%0.txt
    setlocal enableextensions enabledelayedexpansion
    set err=100
     
    for /f "skip=1 tokens=1-3" %%i in ('2^>nul ^
    WMIC LogicalDisk ^
    WHERE "DriveType='3'" ^
    GET FreeSpace^, Name^, Size^') do (
     
      set sFreeSize=%%i
      set sFreeSizeOf=%%k
     if NOT 1%%j==1 (
        rem echo %%j %%i %%k
        set /A Free=!sFreeSize:~0,-9!
        set /A Size=!sFreeSizeOf:~0,-9!
        set /A Procent=!Free!*100/!Size!
        set ah= 
        if !Procent! LSS 50 (
          set ah=***ACHTUNG*** 
          if !Procent! LSS !err! set err=!Procent!
        )
        echo !ah!Free space %%j: !Procent!%%. Free !Free! Gb of !Size! Gb >>%0.txt
      )
     
    )
    type %0.txt
    pause
    exit /b !err!
    endlocal

-> .bat

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