Get Organized with Emacs Org-mode
It is said that Emacs, that versatile toolbox for working with text, is more than merely a text editor—it's a lifestyle. That's not just hyperbole. In this article, I show you how to turn Emacs into a flexible personal organizer and productivity system.
I started using Emacs for programming but soon discovered that it worked well for nonprogramming writing tasks too. I began experimenting with several modes that extend Emacs for writing notes and planning projects. Though each one was useful in its own way, none of these features or modes fit my style of working. Then I discovered Org-mode.
Org-mode is a new Emacs mode developed by Carsten Dominik. It is designed for taking notes, outlining, writing, project planning, maintaining to-do lists, time management and even publishing to Web sites—all this using only Emacs and plain text.
Plain text? Why would anyone want to use plain text for doing all of the above? Plain text offers several advantages. You are not locked in to a file format or an operating system. You can edit plain-text files using any available text editor. It is easy to copy and paste plain text from and into e-mail messages. You can track changes in your document using a version control system, such as CVS or Subversion. When I am writing, I find that plain text offers one more advantage—it enables me to think better and focus on my ideas, without the distractions of a word processor.
For this article, I assume that you have Emacs installed and have some familiarity with using it. If you are not already an Emacs user, maybe Org-mode will give you a good reason to start using it. (See Resources for information on getting started with Emacs.)
Org-mode is included in GNU Emacs 22. You also can install Org-mode to work with GNU Emacs 21 and XEmacs. I used GNU Emacs 22 and Org-mode 4.42 to write this article. If you already have Emacs on your system, check whether Org-mode is available by typing the following command:
The above notation means press the meta key (Esc or Alt, depending on your setup) followed by x, followed by org-mode, and then press the Return (or Enter) key.
If Emacs displays “No Match”, it means you do not have Org-mode installed. You will need to install org-mode manually or install GNU Emacs 22. You can find precompiled binaries of GNU Emacs 22 for your Linux distribution and even for other operating systems. On Ubuntu 7.04 (Feisty Fawn), you can install GNU Emacs 22 (with Org-mode 4.56d) by running the following command:
sudo apt-get install emacs-snapshot
If you need to install Org-mode for GNU Emacs 21 or XEmacs, download the latest version from orgmode.org, and look for the manual that provides detailed installation instructions. (The Org-mode documentation includes an excellent manual with more than 100 pages and a handy reference card.) Once you have org-mode installed, run the M-x org-mode command again. If Org-mode is installed correctly, Emacs will display “(Org)” in its mode line area, and Org-mode will be active. If you are running Emacs in a graphical environment, you also should see the Org pull-down menu (Figure 1).
Although Org-mode provides a graphical menu, in this article I refer to Org-mode keyboard commands only. Once you get familiar with Org-mode keystrokes, you will find them to be more efficient than the graphical menu.
Add the following lines to your ~/.emacs file and restart Emacs:
;; Org-mode settings (add-to-list 'auto-mode-alist '("\\.org$" . org-mode)) (global-set-key "\C-cl" 'org-store-link) (global-set-key "\C-ca" 'org-agenda) (global-font-lock-mode 1)
Now, if you save your org files with the .org extension, they will open up using Org-mode in Emacs. I recommend creating a directory to keep all your Org files. I use ~/notes. Although you can invoke org-mode for any text file, it's convenient to have them in one directory.
Outlining is an effective technique for organizing thoughts, taking notes or writing articles. Emacs has a built-in outline-mode that stores text as entries. Each entry has a headline and a body. Entries can be nested to create a tree of hierarchical information. Emacs uses asterisks (stars) to denote the hierarchy of an outline tree. Lines that do not begin with a star are considered to be the body of the headline above it. In the following example, ** Apples is a headline. Apples are red is the body for the Apples headline.
* Fruit ** Apples Apples are red ** Oranges Oranges are orange *Vegetables
Branches of a tree can be folded and hidden from view to make it easier to navigate the tree and work on specific parts of the tree. When a headline is folded, its body and subtree (all branches) are hidden from view, and the headline is displayed ending with ellipses (three dots).
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