Custom Attributes im AD via PowerShell (CSV) füllen

$path = "Import.csv"   
$csv  = Import-Csv $path -Delimiter ';'  
Import-Module ActiveDirectory

foreach ($line in $csv)
{
  $user     = Get-Aduser -Filter "sAMAccountName -eq '$($line.sAMAccountName)'"  
  $array    = @()
  $hash     = $null
  
  $array    = New-Object PSObject -Property @{   
    givenName = $line.givenName
    sn  = $line.sn
    attr1 = $line.attr1
    attr2 = $line.attr2
    attr3 = $line.attr3
    streetaddress = $line.streetaddress
    postalCode = $line.postalCode
    l = $line.l
      }
    
  foreach ($arr in $array)
  {
    $arr.PsObject.Properties | ?{ ($_.Value) } | %{
      $hash += @{
        ($_.Name) = ($_.Value)
      }
    }
  }

  Set-ADUser $user -Replace $hash
  
}