wmic LogicalDisk where "DeviceID='C:'" get Size
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@echo off&setlocal EnableDelayedExpansion
>%temp%\tmp.vbs echo Wscript.Echo round(wscript.arguments(0)/wscript.arguments(1),2)
for /f "tokens=1,2,3 delims= " %%a in ('wmic logicaldisk where "drivetype=3" get deviceid^,size^,freespace^|find ":"') do (
	call :calculate %%c 1073741824 allGB
	echo.%%a空间:!allGB!GB
	set /a all+=allgb
)
echo.&echo 硬盘总空间约为:%all%GB
echo.&echo 硬盘总空间约为:%all%GB>1.txt
del %temp%\tmp.vbs&pause>nul&exit
:calculate
for /f "delims=" %%i in ('cscript //nologo %temp%\tmp.vbs %1 %2') do (set %3=%%i)
goto :eof
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wmic DiskDrive get Size /value
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wmic diskdrive get size|find /v "S">size.txt
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@echo off
for /f %%a in ('wmic diskdrive get size^|find /v "S"') do set "size=%%a"
mshta vbscript:createobject("scripting.filesystemobject").opentextfile("size.txt",2,1).write(round(%size%/1024/1024/1024,2)^&" GB")(self.close)
start size.txt
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@echo off
for /f "tokens=1-2,4-5" %%i in ('echo list disk ^| diskpart ^| findstr /i GB') do (
	echo %%i %%j %%k %%l
)
pause
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@echo off
chcp 437>nul
for /f "tokens=4,5" %%a in ('echo,list disk^|diskpart^|findstr "Online"') do echo,%%a%%b>a.txt
start a.txt
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