rePS

0.1.0

Exercises/Advanced/adv-xml-setting/solution.ps1

                                function Get-XmlSetting {

    [OutputType([string])]

    param(

        [Parameter(Mandatory)]

        [string]$Xml,

        [Parameter(Mandatory)]

        [string]$Key

    )

    $doc = [xml]$Xml

    $node = $doc.SelectNodes('//appSettings/add') | Where-Object { $_.GetAttribute('key') -ceq $Key } | Select-Object -First 1

    if ($node) { $node.GetAttribute('value') } else { $null }

}