Bei der Erstellung von csv-Dateien nach Spalten sortieren

$path = 'C:\temp\AnlageA\'   
$alleGruppen = Get-ADGroup -Filter * -SearchBase 'OU=Neues_FS,...' -Properties CanonicalName    
$Result = foreach($Gruppe in $alleGruppen) {
    $MemberList = Get-ADGroupMember -Identity $Gruppe
    $Gruppe.Name -match '_(C|R)_' | Out-Null  
    $Berechtigung = If( $Matches[1] -eq 'c'){'Ändern'}Else{'Lesen'}  
    Foreach($Member in $MemberList){
        [PSCustomObject]@{
            ADGroup = $Gruppe.Name
            OU = Split-Path $Gruppe.CanonicalName -Parent
            Name= $Member.name
            sAMAccountName = $Member.sAMAccountName
            Berechtigung = $Berechtigung
        }
    }
}

$Result | 
    ForEach-Object {
        $FileBaseName = $_.OU.replace('Domain\01_Benutzer_Gruppen\Neues_FS\',$null)  
        $out = $FileBaseName.Substring(0,5)
        $CSVOut = Join-Path -Path $path -ChildPath ($out + '.csv')  
        $_ | 
            Select-Object -Property Name, sAMAccountName, ADGroup, Berechtigung | sort-object -Property Name,ADGroup |
            Export-Csv -Path $CSVOut -Delimiter ';' -NoTypeInformation -Append -Encoding UTF8 -ErrorAction SilentlyContinue  
}

$Result | sort Name,ADGroup |
ForEach-Object {
    $FileBaseName = $_.OU.replace('Domain\01_Benutzer_Gruppen\Neues_FS\',$null)  
    $out = $FileBaseName.Substring(0,5)
    $CSVOut = Join-Path -Path $path -ChildPath ($out + '.csv')  
    if(Test-Path $CSVOut)
    { 'Datei existiert bereits!'}  
    else {
    $_ | 
        Select-Object -Property Name, sAMAccountName, ADGroup, Berechtigung |
        Export-Csv -Path $CSVOut -Delimiter ';' -NoTypeInformation -Append -Encoding UTF8 -ErrorAction SilentlyContinue  
    }
}