|
From: | Emanuel Berg |
Subject: | complicated code to do trivial (?) thing |
Date: | Wed, 12 Jun 2019 01:50:06 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Why isn't this easy to do? Or is it? ;;; -*- lexical-binding: t -*- ;; This file: http://user.it.uu.se/~embe8573/emacs-init/abc.el ;; https://dataswamp.org/~incal/emacs-init/abc.el (require 'cl-lib) (defun alphabet (&optional as-list) (let ((abc "a b c d e f g h i j k l m n o p q r s t u v w x y z")) (if as-list (cl-remove ?\ (string-to-list abc)) abc ))) ;; (alphabet t) ; (97 98 99 100 101 102 103 104 105 106 107 ...) ;; (alphabet) ; "a b c d e f g h i j k ..." (defun echo-alphabet (&optional number) (interactive "P") (let*((num (or number (length (alphabet t)))) (part (cl-subseq (alphabet t) 0 num)) (str-list (cl-mapcar (lambda (c) (char-to-string c)) part)) (str-almost (format "%s" str-list)) (str (substring str-almost 1 (1- (length str-almost)))) ) (message str) )) ;; (echo-alphabet) ; "a b c ... x y z" ;; (echo-alphabet 10) ; "a b c d e f g h i j" ;; (echo-alphabet -10) ; "a b c d e f g h i j k l m n o p" ;; (call-interactively #'echo-alphabet) (defalias 'abc #'echo-alphabet) (provide 'abc) -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal
[Prev in Thread] | Current Thread | [Next in Thread] |