::rem 重命名文件::.txt轉為.sqlfor /f "delims=" %%i in ('dir /b /a-d /s "*.txt"') do ren "%%i" "%%~ni.sql"::.sql轉為無擴展名for /f "delims=" %%i in ('dir /b /a-d /s "*.sql"') do ren "%%i" "%%~ni"::rem 重命名完畢::pause