2001-07-16 09:10:19 +00:00
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;;; fortune.el --- use fortune to create signatures
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2001-07-23 09:57:37 +00:00
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2005-08-01 15:47:19 +00:00
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;; Copyright (C) 1999, 2001, 2002, 2003, 2004,
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2008-01-07 02:00:47 +00:00
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;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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1999-09-01 23:31:57 +00:00
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;; Author: Holger Schauer <Holger.Schauer@gmx.de>
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;; Keywords: games utils mail
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2001-07-16 09:10:19 +00:00
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;; This file is part of GNU Emacs.
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1999-09-01 23:31:57 +00:00
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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2007-07-25 04:24:43 +00:00
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;; the Free Software Foundation; either version 3, or (at your option)
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1999-09-01 23:31:57 +00:00
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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2005-07-04 17:55:18 +00:00
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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1999-09-01 23:31:57 +00:00
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;;; Commentary:
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;; This utility allows you to automatically cut regions to a fortune
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;; file. In case that the region stems from an article buffer (mail or
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;; news), it will try to automatically determine the author of the
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;; fortune. It will also allow you to compile your fortune-database
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;; as well as providing a function to extract a fortune for use as your
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;; signature.
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;; Of course, it can simply display a fortune, too.
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;; Use prefix arguments to specify different fortune databases.
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;;; Installation:
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2001-07-23 09:57:37 +00:00
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;; Please check the customize settings -- you will at least have to
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;; modify the values of `fortune-dir' and `fortune-file'.
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1999-09-01 23:31:57 +00:00
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;; I then use this in my .gnus:
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;;(message "Making new signature: %s" (fortune-to-signature "~/fortunes/"))
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;; This automagically creates a new signature when starting up Gnus.
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;; Note that the call to fortune-to-signature specifies a directory in which
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;; several fortune-files and their databases are stored.
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;; If you like to get a new signature for every message, you can also hook
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;; it into message-mode:
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2001-07-23 09:57:37 +00:00
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;; (add-hook 'message-setup-hook 'fortune-to-signature)
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1999-09-01 23:31:57 +00:00
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;; This time no fortune-file is specified, so fortune-to-signature would use
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;; the default-file as specified by fortune-file.
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;; I have also this in my .gnus:
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;;(add-hook 'gnus-article-mode-hook
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;; '(lambda ()
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;; (define-key gnus-article-mode-map "i" 'fortune-from-region)))
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2000-08-16 19:10:48 +00:00
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;; which allows marking a region and then pressing "i" so that the marked
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1999-09-01 23:31:57 +00:00
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;; region will be automatically added to my favourite fortune-file.
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;;; Code:
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;;; **************
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;;; Customizable Settings
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(defgroup fortune nil
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"Settings for fortune."
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2001-07-23 09:57:37 +00:00
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:link '(emacs-commentary-link "fortune.el")
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2000-08-16 19:10:48 +00:00
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:version "21.1"
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1999-09-01 23:31:57 +00:00
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:group 'games)
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(defgroup fortune-signature nil
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"Settings for use of fortune for signatures."
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2000-08-16 19:10:48 +00:00
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:group 'fortune
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1999-09-01 23:31:57 +00:00
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:group 'mail)
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(defcustom fortune-dir "~/docs/ascii/misc/fortunes/"
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"*The directory to look in for local fortune cookies files."
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2001-07-23 09:57:37 +00:00
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:type 'directory
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:group 'fortune)
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(defcustom fortune-file
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(expand-file-name "usenet" fortune-dir)
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1999-09-01 23:31:57 +00:00
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"*The file in which local fortune cookies will be stored."
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2001-07-23 09:57:37 +00:00
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:type 'file
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-database-extension ".dat"
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2000-08-16 19:10:48 +00:00
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"The extension of the corresponding fortune database.
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1999-09-01 23:31:57 +00:00
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Normally you won't have a reason to change it."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-program "fortune"
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"Program to select a fortune cookie."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-program-options ""
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2001-07-23 09:57:37 +00:00
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"Options to pass to the fortune program (a string)."
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-strfile "strfile"
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"Program to compute a new fortune database."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-strfile-options ""
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2001-07-23 09:57:37 +00:00
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"Options to pass to the strfile program (a string)."
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-quiet-strfile-options "> /dev/null"
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"Text added to the command for running `strfile'.
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By default it discards the output produced by `strfile'.
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Set this to \"\" if you would like to see the output."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-always-compile t
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"*Non-nil means automatically compile fortune files.
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If nil, you must invoke `fortune-compile' manually to do that."
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2001-07-23 09:57:37 +00:00
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:type 'boolean
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:group 'fortune)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-author-line-prefix " -- "
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"Prefix to put before the author name of a fortunate."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune-signature)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-fill-column fill-column
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"Fill column for fortune files."
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2001-07-23 09:57:37 +00:00
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:type 'integer
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:group 'fortune-signature)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-from-mail "private e-mail"
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"String to use to characterize that the fortune comes from an e-mail.
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No need to add an `in'."
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:type 'string
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:group 'fortune-signature)
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(defcustom fortune-sigstart ""
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"*Some text to insert before the fortune cookie, in a mail signature."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune-signature)
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1999-09-01 23:31:57 +00:00
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(defcustom fortune-sigend ""
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"*Some text to insert after the fortune cookie, in a mail signature."
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2001-07-23 09:57:37 +00:00
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:type 'string
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:group 'fortune-signature)
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1999-09-01 23:31:57 +00:00
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;; not customizable settings
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(defvar fortune-buffer-name "*fortune*")
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2000-08-16 19:10:48 +00:00
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(defconst fortune-end-sep "\n%\n")
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1999-09-01 23:31:57 +00:00
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;;; **************
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;;; Inserting a new fortune
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(defun fortune-append (string &optional interactive file)
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2000-08-16 19:10:48 +00:00
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"Appends STRING to the fortune FILE.
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1999-09-01 23:31:57 +00:00
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If INTERACTIVE is non-nil, don't compile the fortune file afterwards."
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2000-08-16 19:10:48 +00:00
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(setq file (expand-file-name
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1999-09-01 23:31:57 +00:00
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(substitute-in-file-name (or file fortune-file))))
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(if (file-directory-p file)
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2000-08-16 19:10:48 +00:00
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(error "Cannot append fortune to directory %s" file))
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1999-09-01 23:31:57 +00:00
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(if interactive ; switch to file and return buffer
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(find-file-other-frame file)
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(find-file-noselect file))
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(let ((fortune-buffer (get-file-buffer file)))
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(set-buffer fortune-buffer)
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(goto-char (point-max))
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(setq fill-column fortune-fill-column)
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(setq auto-fill-inhibit-regexp "^%")
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(turn-on-auto-fill)
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(insert string fortune-end-sep)
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(unless interactive
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(save-buffer)
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(if fortune-always-compile
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(fortune-compile file)))))
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(defun fortune-ask-file ()
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"Asks the user for a file-name."
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2000-08-16 19:10:48 +00:00
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(expand-file-name
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1999-09-01 23:31:57 +00:00
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(read-file-name
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"Fortune file to use: "
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fortune-dir nil nil "")))
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2001-04-23 11:50:36 +00:00
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;;;###autoload
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1999-09-01 23:31:57 +00:00
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(defun fortune-add-fortune (string file)
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"Add STRING to a fortune file FILE.
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Interactively, if called with a prefix argument,
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read the file name to use. Otherwise use the value of `fortune-file'."
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(interactive
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(list (read-string "Fortune: ")
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(if current-prefix-arg (fortune-ask-file))))
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(fortune-append string t file))
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2001-04-23 11:50:36 +00:00
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;;;###autoload
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1999-09-01 23:31:57 +00:00
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(defun fortune-from-region (beg end file)
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2000-08-16 19:10:48 +00:00
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"Append the current region to a local fortune-like data file.
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1999-09-01 23:31:57 +00:00
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Interactively, if called with a prefix argument,
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read the file name to use. Otherwise use the value of `fortune-file'."
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2000-08-16 19:10:48 +00:00
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(interactive
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1999-09-01 23:31:57 +00:00
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(list (region-beginning) (region-end)
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(if current-prefix-arg (fortune-ask-file))))
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(let ((string (buffer-substring beg end))
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author newsgroup help-point)
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;; try to determine author ...
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(save-excursion
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(goto-char (point-min))
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2000-08-16 19:10:48 +00:00
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(setq help-point
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1999-09-01 23:31:57 +00:00
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(search-forward-regexp
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"^From: \\(.*\\)$"
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(point-max) t))
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2000-08-16 19:10:48 +00:00
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(if help-point
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(setq author (buffer-substring (match-beginning 1) help-point))
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1999-09-01 23:31:57 +00:00
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(setq author "An unknown author")))
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;; ... and newsgroup
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(save-excursion
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(goto-char (point-min))
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(setq help-point
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(search-forward-regexp
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"^Newsgroups: \\(.*\\)$"
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(point-max) t))
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2000-08-16 19:10:48 +00:00
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(if help-point
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1999-09-01 23:31:57 +00:00
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(setq newsgroup (buffer-substring (match-beginning 1) help-point))
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2001-04-23 12:31:27 +00:00
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(setq newsgroup (if (or (eq major-mode 'gnus-article-mode)
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(eq major-mode 'vm-mode)
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(eq major-mode 'rmail-mode))
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1999-09-01 23:31:57 +00:00
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fortune-from-mail
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"unknown"))))
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;; append entry to end of fortune file, and display result
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(setq string (concat "\"" string "\""
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"\n"
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fortune-author-line-prefix
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author " in " newsgroup))
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(fortune-append string t file)))
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;;; **************
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;;; Compile new database with strfile
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2001-04-23 11:50:36 +00:00
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;;;###autoload
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1999-09-01 23:31:57 +00:00
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(defun fortune-compile (&optional file)
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"Compile fortune file.
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If called with a prefix asks for the FILE to compile, otherwise uses
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the value of `fortune-file'. This currently cannot handle directories."
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2000-08-16 19:10:48 +00:00
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(interactive
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1999-09-01 23:31:57 +00:00
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(list
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(if current-prefix-arg
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(fortune-ask-file)
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fortune-file)))
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(let* ((fortune-file (expand-file-name (substitute-in-file-name file)))
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2000-08-16 19:10:48 +00:00
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(fortune-dat (expand-file-name
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1999-09-01 23:31:57 +00:00
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(substitute-in-file-name
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(concat fortune-file fortune-database-extension)))))
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(cond ((file-exists-p fortune-file)
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(if (file-exists-p fortune-dat)
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(cond ((file-newer-than-file-p fortune-file fortune-dat)
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(message "Compiling new fortune database %s" fortune-dat)
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2000-08-16 19:10:48 +00:00
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(shell-command
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1999-09-01 23:31:57 +00:00
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(concat fortune-strfile fortune-strfile-options
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" " fortune-file fortune-quiet-strfile-options))))))
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(t (error "Can't compile fortune file %s" fortune-file)))))
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2003-02-04 13:24:35 +00:00
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1999-09-01 23:31:57 +00:00
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;;; **************
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;;; Use fortune for signature
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2001-04-23 11:50:36 +00:00
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;;;###autoload
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1999-09-01 23:31:57 +00:00
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(defun fortune-to-signature (&optional file)
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"Create signature from output of the fortune program.
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If called with a prefix asks for the FILE to choose the fortune from,
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otherwise uses the value of `fortune-file'. If you want to have fortune
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choose from a set of files in a directory, call interactively with prefix
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and choose the directory as the fortune-file."
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2000-08-16 19:10:48 +00:00
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(interactive
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1999-09-01 23:31:57 +00:00
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(list
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(if current-prefix-arg
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(fortune-ask-file)
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fortune-file)))
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(save-excursion
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2004-11-01 07:45:18 +00:00
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(fortune-in-buffer t file)
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1999-09-01 23:31:57 +00:00
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(set-buffer fortune-buffer-name)
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(let* ((fortune (buffer-string))
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(signature (concat fortune-sigstart fortune fortune-sigend)))
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(setq mail-signature signature)
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(if (boundp 'message-signature)
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(setq message-signature signature)))))
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;;; **************
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;;; Display fortune
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(defun fortune-in-buffer (interactive &optional file)
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"Put a fortune cookie in the *fortune* buffer.
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2004-11-01 07:45:18 +00:00
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INTERACTIVE is ignored. Optional argument FILE,
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1999-09-01 23:31:57 +00:00
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when supplied, specifies the file to choose the fortune from."
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(let ((fortune-buffer (or (get-buffer fortune-buffer-name)
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(generate-new-buffer fortune-buffer-name)))
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(fort-file (expand-file-name
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(substitute-in-file-name
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(or file fortune-file)))))
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(save-excursion
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(set-buffer fortune-buffer)
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(toggle-read-only 0)
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(erase-buffer)
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(if fortune-always-compile
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(fortune-compile fort-file))
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(call-process
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fortune-program ;; programm to call
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nil fortune-buffer nil ;; INFILE BUFFER DISPLAYP
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(concat fortune-program-options fort-file)))))
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2001-04-23 11:50:36 +00:00
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;;;###autoload
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1999-09-01 23:31:57 +00:00
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(defun fortune (&optional file)
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"Display a fortune cookie.
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If called with a prefix asks for the FILE to choose the fortune from,
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otherwise uses the value of `fortune-file'. If you want to have fortune
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choose from a set of files in a directory, call interactively with prefix
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and choose the directory as the fortune-file."
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2000-08-16 19:10:48 +00:00
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(interactive
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1999-09-01 23:31:57 +00:00
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(list
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(if current-prefix-arg
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(fortune-ask-file)
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fortune-file)))
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(fortune-in-buffer t file)
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(switch-to-buffer (get-buffer fortune-buffer-name))
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(toggle-read-only 1))
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;;; Provide ourselves.
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(provide 'fortune)
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2003-09-01 15:45:59 +00:00
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;;; arch-tag: a1e4cb8a-3792-40e7-86a7-fc75ce094bcc
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1999-09-01 23:31:57 +00:00
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;;; fortune.el ends here
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