On Wed, Oct 13, 2010 at 8:13 PM, <[email protected]> wrote: > The application I am working with periodically appends a small amount of > data at the end of a file. Over time, this file does become very large. We > need a way to verify that the incremental data has been appended correctly. > Therefore the need to checksum only recently appended part of the file is > desirable. Of course checksum of the entire file will provide the same > assurance. However, it is perceived to be sub-optimal if the file is very > large and one needs to do it frequently (like hundreds of times a day).
Running MD5 over a file is normally very cheap. Please try the MD5 command in your case and see if it works out okay, I suspect it will. /niklas
