write data with different number of columns to a single file

[jenny_wang]

3 output link in a transformer
link1 has 5 columns , like:
1,2,3,5,4
22,33,34,16,33

link2 has 8 columns :

1,2,4,6,5,4,3,5
100,34,23,12,55,65,77,44


link3 has 7 columns:
1,1,34,33,55,4,3
2,4,42,32,44,55,33

i wanna write them into a single file:

1,2,3,5,4
22,33,34,16,33
1,2,4,6,5,4,3,5
100,34,23,12,55,65,77,44
1,1,34,33,55,4,3
2,4,42,32,44,55,33

what kind of stage i can use to get this?
please help!

[Alokby]

Utilize UNIX cat command, cat file1 file2 file3 > outputfile, in the after routine in the job properties.

[ray.wurlod]

You could use a Column Export stage to create a single VarChar column on each link (containing a comma-delimited string), and run the three links into a Funnel stage to combine them.