Posts Tagged ‘emacs popularity’

Emacs-fu Emacs Tips

Emacs-fu started a great post requesting little tricks. I gave my own response, covering cut-and-paste, ido mode, uniquify and tidy backups. Da Zhang has a nice summary of some of the other tips.

Using/Extending Core Libraries

There are a few emacs libraries that store current state in global variables. For example, ido stores the list of current matches in ido-matches. Accessing this variable while filtering using ido can be a little convoluted. I gave an example of how to do this in Shell Command on Multiple Buffers.

Dabbrev also uses global variables although it provides [internal] functions for completing an abbreviation. I have a complete example at Autocomplete with a Dabbrev Twist but the core is very simple:

(let ((dabbrev-check-all-buffers t))
  (dabbrev--find-all-expansions <abbreviation> t))

Multi-file Search/Replace

I really liked this post from Ian Eure demonstrating how to do multi-file search and replace in emacs. I frequently see emacs proponents saying its awesome and you’ll know when you reach emacs nirvana so it is nice to see a practical demonstration of emacs power. And of course I know it is possible in shell but the simplicity and the interactive nature of emacs makes this a much more pleasant experience. A quick summary:

  • M-x find-grep-dired RET <pattern> (put matching files in dired buffer)
  • m .php$ RET (mark all php files)
  • Q <pattern> RET <replace string> (run query-replace on marked files)
  • C-x s (save all modified files)

Emacs Popularity

So first of all I found this post referring to a thread where a guy says he recommends nano as he has used Unix-like systems that don’t have vi. Hmmm… okay, and then that post has this one from 2007 in the auto-generated links list about Emacs losing in popularity.

And from there I get to this one which has a poll where 56% of the almost 750 respondants chose vim1 as their favourite Linux text editor compared to 9% choosing emacs. Of course it is a highly unscientific result, but do you think more than 6 times as many people use vim as emacs?

1. Fair enough – it is a fine editor

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