diff options
Diffstat (limited to 'elisp.html.markdown')
| -rw-r--r-- | elisp.html.markdown | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/elisp.html.markdown b/elisp.html.markdown index 3208ffb8..518ad985 100644 --- a/elisp.html.markdown +++ b/elisp.html.markdown @@ -1,15 +1,14 @@ --- language: elisp contributors: - - ["Bastien Guerry", "http://bzg.fr"] + - ["Bastien Guerry", "https://bzg.fr"] + - ["Saurabh Sandav", "http://github.com/SaurabhSandav"] filename: learn-emacs-lisp.el --- ```scheme ;; This gives an introduction to Emacs Lisp in 15 minutes (v0.2d) ;; -;; Author: Bastien / @bzg2 / http://bzg.fr -;; ;; First make sure you read this text by Peter Norvig: ;; http://norvig.com/21-days.html ;; @@ -26,10 +25,10 @@ filename: learn-emacs-lisp.el ;; ;; Going through this tutorial won't damage your computer unless ;; you get so angry that you throw it on the floor. In that case, -;; I hereby decline any responsability. Have fun! +;; I hereby decline any responsibility. Have fun! ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; +;; ;; Fire up Emacs. ;; ;; Hit the `q' key to dismiss the welcome message. @@ -42,9 +41,9 @@ filename: learn-emacs-lisp.el ;; The scratch buffer is the default buffer when opening Emacs. ;; You are never editing files: you are editing buffers that you ;; can save to a file. -;; +;; ;; "Lisp interaction" refers to a set of commands available here. -;; +;; ;; Emacs has a built-in set of commands available in every buffer, ;; and several subsets of commands available when you activate a ;; specific mode. Here we use the `lisp-interaction-mode', which @@ -109,7 +108,7 @@ filename: learn-emacs-lisp.el ;; The empty parentheses in the function's definition means that ;; it does not accept arguments. But always using `my-name' is ;; boring, let's tell the function to accept one argument (here -;; the argument is called "name"): +;; the argument is called "name"): (defun hello (name) (insert "Hello " name)) ;; `C-xC-e' => hello @@ -193,7 +192,7 @@ filename: learn-emacs-lisp.el ;; And evaluate it: (greeting "you") -;; Some function are interactive: +;; Some functions are interactive: (read-from-minibuffer "Enter your name: ") ;; Evaluating this function returns what you entered at the prompt. @@ -224,6 +223,8 @@ filename: learn-emacs-lisp.el ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; Let's store a list of names: +;; If you want to create a literal list of data, use ' to stop it from +;; being evaluated - literally, "quote" the data. (setq list-of-names '("Sarah" "Chloe" "Mathilde")) ;; Get the first element of this list with `car': @@ -300,12 +301,12 @@ filename: learn-emacs-lisp.el (hello-to-bonjour) -;; Let's colorize the names: +;; Let's boldify the names: (defun boldify-names () (switch-to-buffer-other-window "*test*") (goto-char (point-min)) - (while (re-search-forward "Bonjour \\([^!]+\\)!" nil 't) + (while (re-search-forward "Bonjour \\(.+\\)!" nil 't) (add-text-properties (match-beginning 1) (match-end 1) (list 'face 'bold))) @@ -318,7 +319,7 @@ filename: learn-emacs-lisp.el ;; The regular expression is "Bonjour \\(.+\\)!" and it reads: ;; the string "Bonjour ", and ;; a group of | this is the \\( ... \\) construct -;; any character not ! | this is the [^!] +;; any character | this is the . ;; possibly repeated | this is the + ;; and the "!" string. @@ -341,13 +342,4 @@ filename: learn-emacs-lisp.el ;; ;; To read an online introduction to Emacs Lisp: ;; https://www.gnu.org/software/emacs/manual/html_node/eintr/index.html - -;; Thanks to these people for their feedback and suggestions: -;; - Wes Hardaker -;; - notbob -;; - Kevin Montuori -;; - Arne Babenhauserheide -;; - Alan Schmitt -;; - LinXitoW -;; - Aaron Meurer ``` |