zhouyongjun

@echo off
cd %1 2>nul||(call :file %1&pause&exit)
for /r "%~1" %%a in (*.*) do call :file "%%~a"
pause&exit
:file
(for /f "delims=." %%i in ("%~x1") do echo %%i)||echo 无扩展名
goto :eof
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