Thread: searching for a specific item in a C++ file

hey,

i have a written a C++ class to a file. i can print the entire contents of the file eg.

ID NAME ADDRESS AMOUNT
100 John China 100.00
200 Tom Iran 500.00
300 Ann Japan 600.00


my problem is, i can only print all the info from the file at once i cant print the information specific to id #200 ...Tom.

Could i get some help please ?

thanks
Stan