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[bpt/emacs.git] / lisp / play / yow.el
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1;; Copyright (C) 1985, 1987 Free Software Foundation, Inc.
2
3;; This file is part of GNU Emacs.
4
5;; GNU Emacs is free software; you can redistribute it and/or modify
6;; it under the terms of the GNU General Public License as published by
7;; the Free Software Foundation; either version 1, or (at your option)
8;; any later version.
9
10;; GNU Emacs is distributed in the hope that it will be useful,
11;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13;; GNU General Public License for more details.
14
15;; You should have received a copy of the GNU General Public License
16;; along with GNU Emacs; see the file COPYING. If not, write to
17;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
18
19(provide 'yow)
20
21; Randomize the seed in the random number generator.
22(random t)
23
24; Important pinheaddery for GNU Emacs.
25; Expects file emacs/etc/yow.lines to be in ITS-style LINS format
26; (ie strings terminated by ascii 0 characters. Leading whitespace ignored)
27; Everything up to the first \000 is a comment.
7229064d 28;;;###autoload
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29(defun yow (&optional n interactive)
30 "Return or display a Zippy quotation."
31 (interactive "P\np")
32 (if (null yow-vector)
33 (setq yow-vector (snarf-yows)))
34 (cond (n (setq n (prefix-numeric-value n)))
35 ((>= (setq n (random (length yow-vector))) 0))
36 (t (setq n (- n))))
37 (let ((yow (aref yow-vector n)))
38 (cond ((not interactive)
39 yow)
40 ((not (string-match "\n" yow))
41 (delete-windows-on (get-buffer-create "*Help*"))
42 (message "%s" yow))
43 (t
44 (message "Yow!")
45 (with-output-to-temp-buffer "*Help*"
46 (princ yow))))))
47
48(defvar yow-vector nil "Pertinent pinhead statements")
49(defun snarf-yows (&optional file)
50 (save-excursion
51 (let ((buf (generate-new-buffer " yow"))
52 (result '())
53 (cursor-in-echo-area t))
54 (message "Am I CONSING yet?...")
55 (set-buffer buf)
56 (insert-file-contents (or file
57 (expand-file-name "yow.lines" exec-directory)))
58 (search-forward "\0")
59 (while (progn (skip-chars-forward " \t\n\r\f") (not (eobp)))
60 (let ((beg (point)))
61 (search-forward "\0")
62 (setq result (cons (buffer-substring beg (1- (point)))
63 result))))
64 (kill-buffer buf)
65 (message "I have SEEN the CONSING!!" (length result))
66 (apply 'vector (nreverse result)))))
67\f
68; Yowza!! Feed zippy quotes to the doctor. Watch results.
69; fun, fun, fun. Entertainment for hours...
70;
71; written by Kayvan Aghaiepour
72
7229064d 73;;;###autoload
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74(defun psychoanalyze-pinhead ()
75 "Zippy goes to the analyst."
76 (interactive)
77 (doctor) ; start the psychotherapy
78 (if (null yow-vector)
79 (setq yow-vector (snarf-yows)))
80 (message "")
81 (switch-to-buffer "*doctor*")
82 (sit-for 0)
83 (while (not (input-pending-p))
84 (insert-string (yow))
85 (sit-for 0)
86 (doctor-ret-or-read 1)
87 (doctor-ret-or-read 1)))
88