well i have a data in text that is like this:
group user
group user2
group user3
group3 user
group3 user2
group4 user3

and i want to print it out.

but i want to print like this

group user, user2 and user3
group3 user and user2
group4 user3

any ideas ?

im getting headache trying to solve it.

like i dont know how to merge the group and still associating the user reading from a data base.

any1 give me an extra hand any doubt just ask .
thx