DSXchange

input columns

Col A Col B
1 NULL
2
3
4
5
6

in out put i want to populate the data like this

Col A ColB
1 1
2 1
3 2
4 3
5 4
6 5
6 5
6 5

CAN ANY BODY SUGGET ME HOW IMPLEMENT THIS LOGIC ,IAM DS 7.5 px

source is flat file target is flat file

Welcome. That's a pretty standard task for stage variables in a transformer, have you had any experience with that?

ps. All caps is considered SHOUTING. Please don't shout.