my %dirs = (
     './space/dir/traffic' => 'Referenz',
     './space/dir/packetloss' => 'Referenz',
     './space/dir/JitterIN' => 'Referenz',
     './space/dir/jitterOUT' => 'Referenz',
     './space/dir/PacketLossIN' => 'Referenz',
     './space/dir/PacketLossOUT' => 'Referenz',
);