Plz give the answer. If a file having 12 records shown below. I have to send empno(1,2,3) send to one target, empno(null) send to 2nd target, empno(4,4,4) send to 3rd target, empno(5,5,5) send to 4th target.

empno
1
2
3
null
null
null
4
4
4
5
5