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My emacs settings

An ever-changing set of emacs settings. Micro-optimizations are super fun. These are used in the Emacs Rocks screencasts. You can also see some thoughts behind the settings on my What the .emacs.d!?-blog.

Setup

To grab all the dependencies:

git clone --recursive git://github.com/magnars/.emacs.d.git

The first time you start emacs, it will install some additional packages that are best handled by the package manager.

Install emacs on mac

I use Cocoa Emacs, installed like this:

brew cask install emacs

Tips for using these emacs settings

If you want to use my settings straight out of the box, here are some things to note:

  • I recommend starting with a blank emacs + Technomancy's better-defaults package, and then dig through this repo for useful nuggets, instead of forking it directly.

  • The key bindings are optimized for a norwegian keyboard layout.

  • Start by reading up on all the cool stuff in key-bindings.el.

  • You quit emacs with C-x r q, mnemonic Really Quit.

  • Find file in project with C-x o, in dir with C-x C-f, recent with C-x f

  • Add your user- and project-specific stuff in .emacs.d/users/[machine name]/*.el

  • C-h is rebound to backspace, like in the shell. Get help on F1 instead.

  • Autocomplete with C-. (autocomplete entire lines with C-:)

  • expand-region is your friend. Find its bound key by doing F1 f er/expand-region

  • Undo with C-_ and redo with M-_. Watch the undo-tree with C-x u

  • Quickly jump anywhere in the buffer with C-ø then the starting letter of a word.

  • Indent and clean up white space in the entire buffer with C-c n

  • On a mac, the Meta key M is bound to Command.

  • I recommend rebinding Caps Lock to Ctrl and use that instead of the often badly placed Ctrl-key.

  • Watch emacsrocks.com

Survival guide for the first week of emacs

When you start using emacs for the first time, your habits fight you every inch of the way. Your fingers long for the good old familiar keybindings. Here's an overview of the most commonly used shortcuts to get you through this pain:

  • C Shorthand for the ctrl-key
  • M Shorthand for the meta-key (bound to cmd on my mac settings)
  • S Shorthand for the shift-key

Files

  • C-x C-f Open a file. Starts in the current directory
  • C-x f Open a recently visited file
  • C-x o Open a file in the current project (based on .git ++)
  • C-x C-s Save this file
  • C-x C-w Save as ...
  • C-x C-j Jump to this files' current directory
  • C-x b Switch to another open file (buffer)
  • C-x C-b List all open files (buffers)

Cut copy and paste

  • C-space Start marking stuff. C-g to cancel.
  • C-w Cut (aka kill)
  • C-k Cut till end of line
  • M-w Copy
  • C-y Paste (aka yank)
  • M-y Cycle last paste through previous kills
  • C-x C-y Choose what to paste from previous kills
  • C-@ Mark stuff quickly. Press multiple times

General

  • C-g Quit out of whatever mess you've gotten yourself into
  • M-x Run a command by name
  • C-. Autocomplete
  • C-_ Undo
  • M-_ Redo
  • C-x u Show the undo-tree
  • C-x m Open magit. It's a magical git interface for emacs

Navigation

  • C-arrow Move past words/paragraphs
  • C-a Go to start of line
  • C-e Go to end of line
  • M-g M-g Go to line number
  • C-x C-i Go to symbol
  • C-s Search forward. Press C-s again to go further.
  • C-r Search backward. Press C-r again to go further.

Window management

  • C-x 0 Close this window
  • C-x 1 Close other windows
  • C-x 2 Split window horizontally
  • C-x 3 Split window vertically
  • S-arrow Jump to window to the left/right/up/down

Help

  • F1 t Basic tutorial
  • F1 k Help for a keybinding
  • F1 r Emacs' extensive documentation