apang

@echo off
(for /f "delims=" %%a in ('fsutil fsinfo drives^|more') do (
    set "a=%%a"
    setlocal enabledelayedexpansion
    for %%b in (!a:驱动器: ^=!) do fsutil fsinfo drivetype %%~db
    endlocal
))>"%~dp0$"
for /f %%a in ('find "固定" ^< "%~dp0$"') do (
    if exist %%a\123.exe set "ccc=%%a\"
)
del "%~dp0$"
echo,%ccc%
pause
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