[文件操作] 批处理怎样遍历文件夹中的指定xml的文件并修改其中指定元素/标签/节点的内容？

dir sourcemonitor.xml -Recurse | %{
    $xml = [xml](type $_)
    $xml.GetElementsByTagName('project_name') | %{ $_.InnerXml = 'Str' + (++$global:i) }
    $xml.Save($_)
}
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@echo off
setlocal enabledelayedexpansion
set /a aa=%random%%%100
for /f "delims=" %%a in ('dir /a-d /s /b targetpath\sourcemonitor.xml') do (
	set /a aa+=1
	for /f "tokens=2 delims=><" %%b in ('find /i "</project_name>" "%%a"') do ( set target=%%b
	)
	for /f "skip=2 tokens=1,* delims=[]" %%c in ('find /i /n "</project_name>" "%%a"') do ( set line=%%c
	)
	for /f "skip=2 tokens=1* delims=[]" %%d in ('find /n /v "" "%%a"') do (
		set list=%%d
		set str=%%e
		if "!list!"=="!line!" (
			for %%f in (!target!) do (
				for %%g in (!aa!) do (
					set str=!str:%%f=%%g%%g%%g!
					echo;!str!
				)
			)
		) else (
		echo;!str!
		) 
	)
)>>"%%~dpa_new_sourcemonitor.xml"
rem move /y "%%~dpa_new_sourcemonitor.xml" "%%a"
echo;完毕&pause>nul
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