Texteil anhand zweier Vorgaben aus Datei löschen

clear-host
$source = "C:\Users\test\Desktop\Test"  
$files = gci -recurse  $source |?{$_.Extension -eq ".dat"}   
$search = '<meta type="Keywords">'  

foreach ($f in $files){
    $content = gc $source\$f
    $newcontent = @()
    foreach($c in $content){
        if ($c -notlike "*$search*"){  
            $newcontent += $c
        }    
    }
    Set-Content $source\$f  $newcontent
}

@echo off & setlocal

set "VBScript=%TEMP%\DeleteMetaNode.vbs"  

> "%VBScript%" echo.Dim objXmlDoc, colNodes, objNode, strFile  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.If WScript.Arguments.Count ^> 0 Then  
>>"%VBScript%" echo.  strFile = WScript.Arguments(0)  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.  Set objXmlDoc   = CreateObject("Microsoft.XMLDOM")  
>>"%VBScript%" echo.  objXmlDoc.async = False  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.  objXmlDoc.load(strFile)  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.  If objXmlDoc.parseError.errorCode = 0 Then  
>>"%VBScript%" echo.    Set colNodes = objXmlDoc.documentElement.selectNodes("//meta")  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.    For Each objNode In colNodes  
>>"%VBScript%" echo.      objNode.parentNode.removeChild(objNode)  
>>"%VBScript%" echo.    Next  
>>"%VBScript%" echo.  
>>"%VBScript%" echo.    objXmlDoc.save(strFile)  
>>"%VBScript%" echo.  End If  
>>"%VBScript%" echo.End If  

if "%~1" neq "" (  
  set "RootFolder=%~1"  
) else (
  set "RootFolder=."  
)

for /r "%RootFolder%" %%a in (*.dat) do (  
  echo Verarbeite %%a
  cscript /nologo "%VBScript%" "%%a"  
)

del "%VBScript%" > NUL  

DeleteMetaNodes "RootFolder"

clear-host
$source = "C:\Users\test\Desktop\Test"  
$files = gci -recurse  $source |?{$_.Extension -eq ".dat"}   
$search = '<meta type="Keywords">'  

foreach ($f in $files){
    $filepath = $f.DirectoryName
    
    $content = gc $filepath\$f
    $newcontent = @()
    foreach($c in $content){
        if ($c -notlike "*$search*"){  
            $newcontent += $c
        }    
    }
    Set-Content $filepath\$f  $newcontent
}

gci 'C:\Users\test\Desktop\Test' -recurse -Filter *.dat | %{  
    $xml = [xml](gc $_.Fullname)
    if ($xml){
        $xml.SelectNodes("//meta[@type='Keywords']")| %{$_.ParentNode.RemoveChild($_)}  
        $xml.Save($_.Fullname)
    }
}