使用批处理脚本向XML添加新标记

@echo off
setlocal

set XML_FILE=input.xml
set NEW_TAG=<newtag>new content</newtag>

set TEMP_FILE=temp.xml

REM 复制XML文件到临时文件
copy %XML_FILE% %TEMP_FILE%

REM 在临时文件中查找插入点
findstr /C:"</existingtag>" %TEMP_FILE% > nul
if %errorlevel% neq 0 (
    echo Existing tag not found in XML file.
    goto :eof
)

REM 在临时文件中插入新标记
for /f "delims=" %%i in ('findstr /n "^" %TEMP_FILE%') do (
    set "line=%%i"
    setlocal enabledelayedexpansion
    echo(!line:*:=! | findstr /C:"</existingtag>" > nul
    if !errorlevel! equ 0 (
        echo %NEW_TAG%
    )
    echo(!line:*:=!
    endlocal
) > %XML_FILE%

REM 删除临时文件
del %TEMP_FILE%

echo New tag added to XML file.

endlocal