Powershell Update-Vergleichen von Ini Datein

[Settings]
Version=0.1
;the log path must be writable by every user
Logpath=.\log\
;allowed values for the log level 'Information', 'Warning', 'Error', 'Debug  
Loglevel=Information
ConsolenOutput=true
CloudUserCSVFilePath=.\conf\CloudUser.csv

[AD]
Domainname=test.local
ADServer=dc.test.local
SharedMailboxOU=OU=OU2,OU=OU1,DC=test,DC=local
DistributiongroupOU=OU=OU2,OU=OU1,DC=test,DC=local
DefaultUser=OU=OU1,OU=OU1,DC=test,DC=local
1SiteUserOU=OU=OU2,OU=OU1,DC=test,DC=local

function update-config {
    function Get-IniContent($filePath) {
        $iniContent = @{}  
        switch -regex -file $filePath {
            "^\[(.+)\]" {    
                $currentSection = $matches[1]  
                $iniContent[$currentSection] = @{}  
            }
            "(.+)=(.+)" {    
                $name, $value = $matches[1..2]  
                $iniContent[$currentSection][$name] = $value  
            }
        }
        return $iniContent  
    }
    $sampleIniPath = ".\conf\config.sample.ini"  
    $configIniPath = ".\conf\config.ini"  
    $sampleIni = Get-IniContent -filePath $sampleIniPath
    $configIni = Get-IniContent -filePath $configIniPath
    foreach ($section in $sampleIni.Keys) {
        if (-not $configIni.ContainsKey($section)) {
            $configIni[$section] = @{}  
        }
        foreach ($key in $sampleIni[$section].Keys) {
            if (-not $configIni[$section].ContainsKey($key)) {
                $configIni[$section][$key] = $sampleIni[$section][$key]
            }
        }
    }
    Set-Content -Path $configIniPath -Value ""  
    foreach ($section in $configIni.Keys) {
        Add-Content -Path $configIniPath -Value "[$section]"  
        $configIni[$section].GetEnumerator() | ForEach-Object {
            Add-Content -Path $configIniPath -Value "$($_.Key)=$($_.Value)"  
        }
    }
}