scaning txt's

Im looking for a program to search a txt for a wrod and return the line that the word was found on +plus too line above the line that the word was found on and save all the retunred lines to a new txt file for later use prity simply i guess ive tryed for weeks to write it my self im at my wintes end so im asking you guys to help thanks ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform Current System Configuration Operating System: Windows XP Build 2600 up for 1 days, 10 hours, 8 minutes 56 seconds CPU/MEM: 1 AMD Athlon K7, 996MHz with Currently 180 of 256MB in use which is 70.31% Storage System: lots Internet Connection: 512/128