How achive cummlative sum in talend

[Anonymous]

input

Names

king

blake

admas

miller

john

i want output

names

king

king,blake

king,blake,admas

king,blake,admas,miller

king,blake,admas,miller,john

how achive the scinario in talend

[akumar2301]

There are many ways one way is as below in tMap

[akumar2301 · Accepted solution]

There are many ways one way is as below in tMap

[Anonymous]

Can you send the results because i'm encountering errors here

[akumar2301]

Can you please give detail about error.

Result was same as per your expectation.