判断当前目录和上级目录是否存在同名文件

@echo off
setlocal enabledelayedexpansion

    echo 重复的文件:
    for /f "delims=" %%i in ('^(dir /b ^& dir /b .. ^) ^| sort') do (
            if "%%i"=="!Name!" echo %%i
            set "Name=%%i"
    )

    pause
goto :eof