::-----------------------------------------@echo off

setlocal EnableDelayedExpansion

set _targetDir=C:\Users\ShiningWang\test

set _thisFilePath=%0

:loop

for /r %_targetDir% %%i in (*.*) do (

REM 檔案全路徑

set _filePath=%%i

if not "!_filePath!"==%_thisFilePath% (

REM 擷取檔案字尾

set suffix=!_filePath:~-4!

if not "!suffix!"==".txt" (

del /q "%%i"

)

)

)

pause::----------------------------------------------------------