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回复 9# BS0小陈


    @echo off
for /r e:\ %%a in (*.doc) do @del /q %%a
pause>nul

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for /r . %%i in (*) do if %%~xi equ .bmp ren %%i %%~ni.jpg
for /f "delims=. tokens=2" %%i in ('dir /b -a-d') do if "%%i"==".bmp" ren *.%%i *.jpg