The Silver Searcher is very good for using the terminal as an IDE. I have two aliases which I find very helpful. - Search Obj-C files: alias ago='ag -G ".*

The Silver Searcher is very good for using the terminal as an IDE. I have two aliases which I find very helpful. - Search Obj-C files: alias ago='ag -G ".*\.(h|m)"' - Search Ruby files: alias agr='ag -G ".*.rb"' Also if you are looking for an alternative to sed don't miss replace[1]. [1] https://github.com/harthur/replace https://github.com/harthur/replace