Powershell read XML value

Question

I have the following XML, and I'm trying to obtain the value where the Name attribute is ComponentVersion.

<Component .......>
  <Settings>
    <Setting Name="ComponentVersion" Value="12345" />
    <Setting Name="Host" Value="false" />
  </Settings>
  <Jobs>
    <Job Name="Platform" />
  </Jobs>
</Component>

I read the XML file like this:

$fullPathXML = "$env:PackagesPath\Platform\Components\SystemPlatform.Comp.xml"
[xml]$xmlSystemPlatform = Get-Content $fullPathXML

and then tried the following:

$xmlSystemPlatform.selectNodes('//Settings/Setting') | select Name
Select-Xml '//Settings/Setting[contains(@Name, "ComponentVersion")]' $xmlSystemPlatform |%{$_.Node.Value}
$xmlSystemPlatform.Settings.Setting[0].Name $xmlSystemPlatform.Settings.Setting[0].Value

user2226112 · Accepted Answer · 2014-11-07 13:10:34Z

2

$xmlSystemPlatform.Component.Settings.Setting | ? Name -eq "ComponentVersion" | select Value

answered Nov 7, 2014 at 13:10

user2226112

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1 Comment

Ansgar Wiechers Over a year ago

Note that the simplified filter syntax requires PowerShell v3 or newer. For earlier versions you need ? { $_.Name -eq "ComponentVersion" }.

Ansgar Wiechers · Accepted Answer · 2014-11-07 14:05:13Z

1

Using an XPath expression something like this should work:

$filename = "$env:PackagesPath\Platform\Components\SystemPlatform.Comp.xml"

[xml]$xml = Get-Content $filename

$xml.SelectNodes('//Settings/Setting[@Name = "ComponentVersion"]').Value

Note that XPath expressions are case-sensitive.

answered Nov 7, 2014 at 14:05

Ansgar Wiechers

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Comments

Stoinov · Accepted Answer · 2014-11-10 10:47:09Z

0

Another one-liner:

([Xml] (Get-Content "$env:PackagesPath\Platform\Components\SystemPlatform.Comp.xml")).SelectNodes("//Settings/Setting[@Name='ComponentVersion']").Value

Or if you prefer it with variable:

$xmlSystemPlatform.SelectNodes("//Settings/Setting[@Name='ComponentVersion']").Value

edited Nov 10, 2014 at 10:47

answered Nov 10, 2014 at 10:41

Stoinov

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