[PowerShell + XML] XML Datei als "Language File" und die Nutzung von PS Variablen

 <?xml version="1.0"?><Language>
    <Config>
	    <GetHeartBeat>Herunterfahren</GetHeartBeat>
    </Config>
    <Logging>
       <StartBackup>Die VM $VM wird exportiert</StartBackup>
    </Logging>
</Language>

Function Logging ([string]$Loggingtext="") 
{
    Write-Host (Get-Date) $Loggingtext
    $temp1 = (Get-Date -Format u)
    $temp2 = $Loggingtext
    "$temp1 - $temp2" | Out-File $LogFile -Append
}

. Logging "$($Language.Language.Logging.StartBackup)"

function substitute([String] $str, [Hashtable] $params) {
    $params.GetEnumerator() | % {
        $str = $str.Replace($_.Name, $_.Value)
    }
    return $str
}

Function Logging ([string]$Loggingtext="", [Hashtable] $substitutions) 
{
    $Loggingtext = substitute $Loggingtext $substitutions
    Write-Host (Get-Date) $Loggingtext
    $temp1 = (Get-Date -Format u)
    $temp2 = $Loggingtext
    "$temp1 - $temp2" | Out-File $LogFile -Append
}

$wurst = "kaese"
$substitutions = @{
    '$VM' = "Dein VM-Variable";
    '$BLA' = "Eine andere Variable";
    '$wurst' = $wurst;
}

. Logging $Language.Language.Logging.StartBackup $substitutions

Function Logging([string] $Loggingtext = "") 
{ 
	$LogText =.([scriptblock]::Create("`"$LoggingText`"")) 
	
	Write-Host(Get-Date) $LogText 
	$temp1 = (Get-Date -Format u) 
	$temp2 = $LogText 
	"$temp1 - $temp2" | Out-File $LogFile -Append 
} 

Logging "$($Language.Language.Logging.StartBackup)"