I NEED HELP MODIFYING A RECORD IN A FILE..SUPPOSE I HAVE A FILE..BY THE NAME OF FILE.TXT AND THE OUTPUT IN THAT FILE SO FORMATTED....LIKE THIS:

RECORD 1
RECORD 2
RECORD 3
RECORD 4

HOW DO I MODIFY THE RECORD FOR EXAMPLE 3?..
PLEASE KINDLY TELL ME THE CODE IN C++ ONLY.

REGARDS,
ONQUERER.