qixiaobin0715

当前目录中也应当有list.txt吧：

@echo off
setlocal enabledelayedexpansion
set "_list.txt=true"
for /f "delims=" %%i in (list.txt) do set "_%%i=true"
for /f "delims=" %%i in ('dir /b /s /a-d *.txt') do (
    set "str=%%i"
    set "str=!str:%~dp0=!"
    if not defined _!str! del %%i
)
pause
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未测试