How to split xml file into smaller files using powershell?

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$sourceFile = "original.xml"
$destinationFolder = "output"

# Load the original XML file
[xml]$xml = Get-Content $sourceFile

# Create the output folder if it does not exist
if (-not (Test-Path $destinationFolder)) {
    New-Item -ItemType Directory -Path $destinationFolder
}

# Loop through each node in the XML file
foreach ($node in $xml.DocumentElement.ChildNodes) {
    # Create a new XML document with only the current node
    $newXml = New-Object System.Xml.XmlDocument
    $newNode = $newXml.ImportNode($node, $true)
    $newXml.AppendChild($newNode)

    # Save the new XML document to a file
    $fileName = Join-Path $destinationFolder "$($node.LocalName).xml"
    $newXml.Save($fileName)
}