selecting data from file with php

hi there,.... i have file address.txt, it's content of address of customer, like this ; name age city jony 27 new york george 25 dallas mony 23 mexico edward 30 new york budy 22 dallas dennise 21 new york hox to count the field of city, so the result is, like this city count dallas 2 new york 3 mexico 1 so i know how many user from a specific city, for the information i am not using mysql. Is that to difficult to do it with out mysql...?? Did php have the function to do selecting data like mysql....??? thanx --------------------------------- Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software