Hi,
For the below problem, awk script is needed..
input file :
jill
jack
jill
jill
jack
jill
jack
jill
Required:
here,
i need to check from first line.
reference is jack. jill need to verified with next line jack. if found print
jill & jack combination hill1
jack & jill & jill & jack combination hill2
jack&jill&jack combination hill3
jack &jill combination hill1
Thanks in advance
vasanth