Tools that work with ack
AckMate
Users of TextMate, the programmer's editor for the Mac, can use the AckMate plugin by Trevor Squires:
TextMate users know just how slow its "Find in Project" can be with large source trees. That's why you need "ack-in-project" — a TextMate bundle that uses the super-speedy "ack" tool to search your code FAST. It gives you beautiful, clickable results just as fast as "ack" can find them. Check it out at: https://github.com/protocool/ackmate
vim integration
ack.vim provides an interface between ack and the vim text editor. For example, you can call
:Ack foo, which will run ack and load ack's results into a vim buffer for manipulation and navigation.
ack.vim is available at the official vim website at http://www.vim.org/scripts/script.php?script_id=2572
Emacs integration
There are at least four different Emacs modes for supporting ack here at the Emacs Wiki: http://www.emacswiki.org/emacs/Ack
Note: Be careful of any solution that defaults you to using --all.
Other grep-like tools
There are many ways to search source code that are more flexible and tuned to programmers than straight
grep. I suggest you take a look at some of these alternatives, for they may suit your needs better than ack. If you have any suggestions to add to this list, please let me know at andy@petdance.com.Ag, the Silver Searcher
Geoff Greer says "Ag is like ack, but better. It’s fast. It’s damn fast. The only thing faster is stuff that builds indices beforehand, like Exuberant Ctags." Geoff has also created a fork of AckMate that uses Ag instead of ack.
grin
"A grep program configured the way I like it", written in Python by Robert Kern.
rak
A straight clone of ack, with some visual tweaks, written in Ruby by Daniel Lucraft.
glark
The biggest departure from ack, glark adds many more features like the ability to AND and OR your patterns. It's written in Ruby by Jeff Page.Indexing tools
Sometimes when you're looking at a large codebase, it makes sense to see everything as a whole. An indexing tool may help you out.
ctags
ctags is a program almost as old as time itself. When run against a codebase, ctags indexes various elements of the code, such as variables and functions. This lets your editor or other tools use the tags index to jump quickly to that element.
The most common ctags implementation is Exuberant ctags: http://ctags.sourceforge.net/
Code Search
Russ Cox, the guy that wrote Google's CodeSearch engine, wrote an article about how it worked and released an implementation in Go.
OpenGrok
OpenGrok is a fast and usable source code search and cross reference engine. It helps you search, cross-reference and navigate your source tree.
cscope
Cscope is a developer's tool for browsing source code. Cscope was part of the official AT&T Unix distribution for many years, and has been used to manage projects involving 20 million lines of code. It also can integrate with vim and Emacs.
GNU GLOBAL
GNU GLOBAL is a source code tagging system that works the same way across diverse environments (emacs, vi, less, bash, web browser, etc). You can locate objects in source files and move there easily. It is similar to ctags or etags but is different from them at the point of independence of any editor.
More tools for searching source code
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