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Emacs Lisp Snippets

Lisp stands for LISt Processing and Lisp handles lists by putting them between parentheses [fn:1].

;;;;;;;;;;;
;; Types ;;
;;;;;;;;;;;

;; List preceded by single apostrophe
'(rose violet daisy buttercup)

;; Concatenate (combine) two or more items into strings
(concat "string1" string2var)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Buffer Navigation, Editing ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; Go to specific position in buffer
;; Beginning of buffer is position (point-min), end is (point-max).
(goto-char (point-min))

;; Move forward a line or N lins
(forward-line N)

;; Insert text
(insert "Hello world")

;;;;;;;;;;;;;;;
;; Functions ;;
;;;;;;;;;;;;;;;

;; Create an interactive (person calls it) function
(defun jt/bongo-open-my-playlist()
  ;; "Open my playlist in bongo stored in playlist environment variable
  (interactive)
  (bongo)
  (bongo-insert-playlist-contents jt/bongo-playlist-location)
  (bongo-playlist-mode))

Emacs Configuration Snippets

;;;;;;;;;;;;;;;;;;
;; Key bindings ;;
;;;;;;;;;;;;;;;;;;

;; Set key binding
(global-set-key (kbd "C-x w h w") 'hello world')

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Global keybinding overrides ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; https://archive.org/details/prot-codelog-2026-07-08-emacs-global-keybinding-overrides/
;; Safe keys set here, eval-region to jump to info section:
;; (info "(elisp) Key Binding Conventions")
(define-key global-map (kbd "M-o") 'other-window)

;; There is also `defvar-keymap'...
(defvar prot-overrides-mode-map (make-sparse-keymap)
  "Keymap for the `prot-overrides-mode'.")

(define-minor-mode prot-overrides-mode
  "Activate the `prot-overrides-mode-map'."
  :global t
  :init-value nil
  :keymap prot-overrides-mode-map)

(define-key prot-overrides-mode-map (kbd "M-o") 'other-window)
(define-key prot-overrides-mode-map (kbd "C-<return>") 'find-file)

(prot-overrides-mode 1)

References