hi

I have 2 files to comapre ,in file a sible column it is numbers,in file b2 numbers and other values with coma separated.
i want compare numbers in file a with file b,and the out put put should be in C with numbers in both file a and b along with other columns of file b.

i used folowing scripts
for line in `cat gprs2.txt`
do
more gprs_calls2.txt |grep $line >> NEW2.txt
done
exit

but it is not giving correct out put.and also this scrpits is not sppedy

plz help..