SpecFlowAppConfig01

$xmlFile = "C:\temp\app.config"
$xml = [xml] (Get-Content $xmlFile)
$xml.SelectNodes('//configuration/specFlow') | % {
    $stepAssembly1 = $xml.CreateNode('element','stepAssembly','')
    $stepAssembly2 = $xml.CreateNode('element','stepAssembly','')
    $stepAssembly1.SetAttribute('assembly','Dennis.Speech.Framework')
    $stepAssembly2.SetAttribute('assembly','Dennis.Speech.Core')

    $stepAssemblies = $xml.CreateNode('element','stepAssemblies','')

    $stepAssemblies.AppendChild($stepAssembly1)
    $stepAssemblies.AppendChild($stepAssembly2)

    $_.AppendChild($stepAssemblies)
}
$xml.Save($xmlFile)