"If you haven't been paying attention to GNU grep recently, you should be happily surprised by some of the new features and options that have come about with the 2.5 series. They bring it functionality you can't get anywhere else--including the ability to output only matched patterns (not lines), color output, and new file and directory options.
"Granted, the addition of this feature set caused a number of bugs that made it necessary to rewrite part of the code, but the latest 2.5.1a bugfix release is eminently usable..."
