remove inner text from xml node in powershell

Question

How can i remove the innertext from an xml object via powershell.

cosider:

<XML>
    <AddServer>win-coll3.astest.org</AddServer>
  <SERVERS>
    <Server load="119" url="win-coll.astest.org"/>
    <Server load="119" url="win-coll2.astest.org"/>
  </SERVERS>
</XML>

I Want to clear out the AddServer section

i tried: $FileAsXMLObject.xml.Remove("AddServer") but didnt work

I dont want to delete the section - just cleared out. somesthing like this:

<XML>
    <AddServer> </AddServer>
  <SERVERS>
    <Server load="119" url="win-coll.astest.org"/>
    <Server load="119" url="win-coll2.astest.org"/>
  </SERVERS>
</XML>

arco444 · Accepted Answer · 2015-01-05 12:53:46Z

3

You just need to clear the value of that element. This will work:

$FileAsXMLObject.xml.AddServer = [string]::Empty

answered Jan 5, 2015 at 12:53

arco444

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5 Comments

Joel Over a year ago

i am able to echo out the innerText of AddServer, but if if try to assign the empty value, i get this error: Property 'AddServer' cannot be found on this object; make sure it exists and is settable. At C:\Users\admin\Desktop\script.ps1:9 char:1 + $servers.xml.AddServer = [string]::Empty + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (:) [], RuntimeException + FullyQualifiedErrorId : PropertyAssignmentException

arco444 Over a year ago

How are you setting $servers? In your question you're using $FileAsXMLObject - I'm assuming this is an XML object with an entire file loaded?

Joel Over a year ago

servers is initialized via [xml]$servers = get-content servers.xml. servers.xml's content is the above one. I tried $servers.xml.AddServer = [string]::Empty, and got the errormessage: Property 'AddServer' cannot be found on this object; make sure it exists and is settable. + $servers.xml.AddServer = [string]::Empty + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (:) [], RuntimeException + FullyQualifiedErrorId : PropertyAssignmentException

arco444 Over a year ago

Very strange - works fine for me. What version of powershell are you using? What's the output if you just type $servers.xml?

Joel Over a year ago

i think i figured it out. i missed to mention my first line in my servers.xml <?xml version="1.0" encoding="UTF-8"?>. if i remove this line it works. - but why? BTW: PS Powershell on WinServ2012R2 (think it is 4.0)

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