将指定文件名后缀改为另一指定后缀bat命令

@echo off
setlocal enabledelayedexpansion

set /p "old_ext=Enter the old file extension to be renamed (without the dot): "
set /p "new_ext=Enter the new file extension to rename to (without the dot): "

set "folder_path=%~dp0"

cd /d "%folder_path%"

for %%i in (*.%old_ext%) do (
  set "filename=%%~ni"
  ren "%%i" "!filename!.%new_ext%"
)

echo All files renamed successfully!