I'm still new in Unix programming using shell..so i'll like to know how to compare the virables then dispaly it..as example..compare a list of price and dispaly the most cheap...anyone...please....tq 
Shell programmin is in a lot of cases very similar like C language or other imperative language that you know. Think what you want the program does, write and finally y could be work. Answering your question, i provably use two vars, the first one to allocate the less prize and in the second the product, then you only need to output the second var.
Can u suggest me the best source to solve my problem......??? i actually have read book bout this but i can't still find the solution to my problem...Anybody here have the suggestion??? :o 
oke mij best