printf("%-10s %-10s %s\n", $name, $dob, $age);
[download]

printf("%-${max_name_length}s %-10s %s\n", $name, $dob, $age);
[download]

printf("%-*s %-10s %s\n", $max_name_length, $name, $dob, $age);
[download]