
CODE: [Copy to clipboard]@echo off
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set total=%%a
set /a half=total/2
echo U盘总容量: %total%
echo U盘总容量的一半: %half%

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CODE: [Copy to clipboard]@echo off
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set total=%%a
echo U盘总容量: %total%
>"%tmp%\cacl.vbs" echo a=%total%
>>"%tmp%\cacl.vbs" echo b=a/2
>>"%tmp%\cacl.vbs" echo wscript.echo b
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do echo U盘总容量的一半: %%a
del /q "%tmp%\cacl.vbs"
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CODE: [Copy to clipboard]@echo off
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DeviceID='D:'" get * /value ^| findstr /i "^size"') do set total=%%a
echo D盘总容量: %total%
>"%tmp%\cacl.vbs" echo wscript.echo %total%/2
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do echo D盘总容量的一半: %%a
del /q "%tmp%\cacl.vbs"
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