sub param_hash_bilden {
    my $file = shift;
    open (I, $file) or die $file;
    my $include;
    if (file_muss_templaten($file)) {
        my $hti = HTML::Template->new (filehandle=>*I);
        my %iArgs = include_param_hash_bilden($file);
        $hti->param(%iArgs);
        $include = $hti->output();
    } else {
        local $/;
        $include = <I>;
    }
    (INCLUDE => $include);
}