Re: Read/Write Pieces of a Binary File

what have you already tried? can you show some code? Elias "Bob Bowker" <bowker@iNetWebInc.com> wrote in message news:5.1.0.14.2.20020912091817.01ef3c50@localhost... > I have a large binary file (50+ megs) ... I want to read the first 1k > bytes, make changes, and write a new file with the new 1k bytes plus the > balance of the original file unchanged. > > I've tried several different ways of doing this, but nothing works, and I'm > out of ideas - any suggestions as to the sequence I should be following? > > Thanks -- > > Bob. >