#!/usr/bin/perl
use strict;
use warnings;
use diagnostics;

my %config = (
	max_prozesse	=> 5,
);

use Data::Dumper;
open (my $fh,'>','config.dat') or die $!;
print $fh Dumper(\%config);
close($fh);

open ($fh,'<','config.dat') or die $!;
my $config_neu = eval <$fh>;
print Dumper($config_neu);