App config powershell helpers

Get-AppConfig.ps1

param([String]$key)

Get-ChildItem .\*.config -Recurse |
Where-Object { ([xml](Get-Content $_)).SelectSingleNode("//add[@key='$key']") } |
ForEach-Object {
    $xml = [xml](Get-Content $_)
    $xml.SelectSingleNode("//add[@key='$key']").Value
}

Set-AppConfig.ps1

param([String]$key, [String]$value)

Get-ChildItem .\*.config -Recurse |
Where-Object { ([xml](Get-Content $_)).SelectSingleNode("//add[@key='$key']") } |
ForEach-Object {
    $xml = [xml](Get-Content $_)
    $xml.SelectSingleNode("//add[@key='$key']").Value = $value
    $xml.Save($_)    
}

$allConfig = gci -Recurse $Env:ProgramFiles\Hoodat\*.exe|%{[System.Configuration.ConfigurationManager]::OpenExeConfiguration($_.FullName)}

$allConfig|%{$_.AppSettings.Settings[Environment]}

$allConfig|%{$_.AppSettings.Settings.Remove('Environment')}

$allConfig|%{$_.AppSettings.Settings.Add('Environment', 'Value')}