@echo off
set info=互助互利,支付宝扫码头像,感谢赞助
rem 有问题,可加QQ956535081及时沟通
title %info%
cd /d "%~dp0"
for /f "tokens=1,2" %%a in ('wmic LogicalDisk where "DriveType='2'" get DeviceID^,Size^|find ":"') do (
    set DeviceID=%%a
    set Size=0000000000000000%%b
)
if not defined DeviceID (goto end)
set Size=%Size:~-16%
echo;%DeviceID%
echo;%Size%
if "%Size%" leq "0000001073741824" (
    start "" "a.exe"
) else (
    start "" "b.exe"
)
:end
echo;%info%
pause
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@echo off
>"%tmp%\$t.js" echo;try{WSH.echo(WSH.StdIn.ReadAll().replace(/\s*[\r\n]+/g,'\r\n'))}catch(e){}
for /f "tokens=1* delims==" %%a in ('wmic DiskDrive where "InterfaceType='USB'" get Index /value^|find "="^|cscript -nologo -e:jscript "%tmp%\$t.js"') do (
    rem echo;"%%b"
    for /f "tokens=1,2* delims==" %%c in ('wmic path Win32_LogicalDiskToPartition get Antecedent^,Dependent^|find "Disk #%%b,"^|cscript -nologo -e:jscript "%tmp%\$t.js"') do (
        echo;%%~e
        wmic LogicalDisk where "DeviceID='%%~e'" get Size
    )
)
pause
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