Remove XML node based on node value

Question

I have a little problem with my XML and PowerShell script. I need remove a Vlan Item of the XML file:

<?xml version="1.0" encoding="utf-8"?>
<Settings> 
  <ARP>
    <ConfigVLAN>
      <Vlan>Vlan1</Vlan>
      <Vlan>Vlan2</Vlan>
      <Vlan>Vlan3</Vlan>
      <Vlan>Vlan4$</Vlan>
    </ConfigVLAN>
  </ARP>
</Settings>

But I can't remove <Vlan>Vlan4$</Vlan> with the RemoveChild method....

$xml.Settings.ARP.configVLAN.SelectSingleNode("Vlan[text()=""$($selectedItem)""]").RemoveChild()

Can you help me please ?

Martin Brandl · Accepted Answer · 2016-08-23 10:28:11Z

1

You have to call the RemoveChild method on the parent and pass the actual node you want to delete as parameter:

$selectedItem = 'Vlan4$'
$xmlFilePath = "Your_xml_file_path"

$xml = [xml](Get-Content $xmlFilePath)
$nodeToRemove = $xml.Settings.ARP.configVLAN.SelectSingleNode("Vlan[text()=""$($selectedItem)""]")
$xml.Settings.ARP.ConfigVLAN.RemoveChild($nodeToRemove) | out-null
$xml.Save($xmlFilePath)

answered Aug 23, 2016 at 10:28

Martin Brandl

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