$link_file_name = "$THIS_APP_DIR/d_link/ini/g166Links";
$link_dir_file = "$THIS_APP_DIR/d_link/ini/g166Links.dir";
$link_pag_file = "$THIS_APP_DIR/d_link/ini/g166Links.pag";

# Create new link database files
if ( dbmopen(%INI_records,$INI_file_name,0666) &&
     dbmopen(%link_records, $link_file_name, 0666) ) {
    my @all_files, $loop, $loop2, @loop3;
    my $i=0;

    # get list of files from data directory
    foreach $loop (sort `cd $data_dir; ls -d *`) {
        chop($loop);

        foreach $loop2 (sort `cd $data_dir; ls -d $loop/*`)
        {
            chop($loop2);

            foreach $loop3 (sort `cd $data_dir; 
                            ls -d $loop2/*`) {
                chop($loop3);
                $all_files[$i++]=$loop3;
            }
        }
    }

    foreach my $data_path (sort @all_files) {
        print "processing file $data_path\n";
        $data_path =~ s/[\n\r]//g;
        my ($this_table,$blank,$file) = 
               split(/\//,$data_path);

        my ($key_field_name,$function_name) = split
                   (/::/,$INI_records{$this_table});
        my $key_field = &get_key_field
               ($data_path,$key_field_name,$function_name);
        my $this_file_id = $this_table . "." . $file;

        if ( $key_field gt "" ) {
            if ( ! defined $link_records{$key_field} ) {
                $link_records{$key_field} = $this_file_id;
            }
            else {
????            if (length($link_records{$key_field}) + 
                    length($this_file_id) < 998) {
                    $link_records{$key_field} .= "::" . 
                           $this_file_id;
                }
            }
        }