批处理文件：批量替换文件内容为'asdasd'

@echo off setlocal enabledelayedexpansion

for %%f in (*) do ( if exist "%%f" ( set "tempfile=%%~nf.tmp" copy "%%f" !tempfile! >nul echo asdasd >"%%f" type !tempfile! >>"%%f" del !tempfile! >nul ) )

endlocal echo 替换完成！