suggest two ways of doing this

[Bhargav_Movva]

i have a dataset like this

t1 t2 t3 t4

a  .   .   .

.  b   .   .

.  .   c   d

a b  c   d

output i need is

test

a

b

cd

abcd 

[PGStats · Accepted solution]

CATS, CATT - Does that count as two?

[Bhargav_Movva]

couldn't understand what you were asking

[PGStats]

CATS and CATT are two data step functions that perform character string concatenation. As in

test = cats(of t1-t4);