In preparation for CSE471 this Spring, I’ve installed Lispbox for Windows. “Why so soon?” you ask. Well, I’ve heard from several people that 471 can be a tough class, so I’d like to get a jump on it. I was looking at the Lispbox website, and there’s a free edition of Practical Common Lisp available on the web. So I can get everything installed and get up to speed- all before the semester even starts!
So, what is Lispbox? It’s a single installation that gives you Emacs and SLIME (the Superior Lisp Interaction Mode for Emacs) already configured and installed. When you start Lispbox, it open emacs and loads common lisp, so you can start experimenting.
Emacs is something I’ve always wanted to experiment with, but until now, I just haven’t had the chance. It turns out, I’ll have quite a few keyboard shortcuts (or Chords, in the Emacs world) to learn. Here are the some of the very basics. A quick note- commands that start with C-x are related to emacs itself- opening a file, splitting the window into two, etc. Commands that start with C-c are related to SLIME. They’re for compiling and so forth. Just an observation to make remembering the commands a little easier.
| C-x b | Switch to a new buffer |
| C-x C-f | Then type the name of a file to open. |
| C-x 2 | Splits the window horizontally, so you can view multiple buffers simultaneously. |
| C-x 3 | Splits the window vertically, so you can view multiple buffers simultaneously. |
| C-c C-k | Compile and load the current buffer’s source file. |
| C-c M-k | Compile (but don’t load) the current buffer’s source file. |
And really, I can’t just post this without acknowledging that there are MANY sources of information out there about lisp, Emacs and SLIME. I’ll be the first to admit- this post is redundant information. For example, Peter Christensen has an excellent SLIME cheatsheet for beginners.
As I get more used to the environment, I’ll update this post with the commands I find myself using.
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