$FLAG = 0;
        # Get last timestamp
        if (-e "$OutputDir/$NAME/last_timestamp") {
                open LAST, "<$OutputDir/$NAME/last_timestamp";
                $last_timestamp = <LAST>;
                chomp $last_timestamp;
                close LAST;
        }
        else {
                # Prime the Pump
                $data = `tail -1 $LOG`;
                @data = split(/\ /,$data);
                open LAST, ">$OutputDir/$NAME/last_timestamp";
                print LAST "$data[3]";
                close LAST;
                exit;
        }
        if (-e "$LOG") {
                open LOG, "<$LOG";
                while (<LOG>) {
                        @data = split(/\ /);
                        next if (($data[3] ne $last_timestamp)&&($last_timestamp)&&(!$FLAG));
                        $FLAG=1;
                        next if (($skip)&&($_ =~ m/$skip/));
                        $last_timestamp = $data[3];
                        $login_id{$data[2]}++;
                }
                close LOG;
                @Result = keys %login_id;
                print "USERS=$#Result\n";
                open LAST, ">$OutputDir/$NAME/last_timestamp";
                print LAST "$last_timestamp";
                close LAST;
        }
        else {
                print "LOG FILE NOT FOUND\n";
        }