Hi,
i have the files f1 and f2 like:
files f1:
c1 a1
c2 a2
c3 a3
file f2:
c1 b1
c2 b2
c3 b3

i want merge the f1 and f2 file to f3 file like:

c1 a1 b1
c2 a2 b3
c3 a3 b3........
....
.
.
please help me onthis.....