How to change the value of XML Element attribute using PowerShell?

Question

I am trying to access and change the particular attribute from XML tag

XML:

  
    <         


        

Answer 1

if we are taking attribute from console and changing its value ?

$path=Read-Host -Prompt 'Enter path of xml file'
[xml]$xmldata = get-content "$path"

$tag = Read-Host -Prompt 'Enter tag'
$value = Read-Host -Prompt 'Enter value'
$xmldata.InstallConfig.$tag="$value"
$xmldata.Save($path)