替换一个文件中的内容BAT

@echo off
setlocal enabledelayedexpansion
set file=%1
set "file=%file:"=%"
for %%i in ("%file%") do set file=%%~fi
echo.
set replaced=%2
echo.
set all=%3
for /f "delims=" %%i in ('type "%file%"') do (
set str=%%i
set "str=!str:%replaced%=%all%!"
echo !str!>>"%file%"_tmp.txt
)
copy "%file%" "%file%"_bak.txt >nul 2>nul
move "%file%"_tmp.txt "%file%"
start "" "%file%"