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[Emacs-diffs] Changes to emacs/lisp/eshell/em-banner.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/eshell/em-banner.el [lexbind] |
Date: |
Tue, 14 Oct 2003 19:51:49 -0400 |
Index: emacs/lisp/eshell/em-banner.el
diff -c /dev/null emacs/lisp/eshell/em-banner.el:1.5.8.1
*** /dev/null Tue Oct 14 19:51:49 2003
--- emacs/lisp/eshell/em-banner.el Tue Oct 14 19:51:31 2003
***************
*** 0 ****
--- 1,93 ----
+ ;;; em-banner.el --- sample module that displays a login banner
+
+ ;; Copyright (C) 1999, 2000 Free Software Foundation
+
+ ;; Author: John Wiegley <address@hidden>
+
+ ;; This file is part of GNU Emacs.
+
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; GNU General Public License for more details.
+
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ (provide 'em-banner)
+
+ (eval-when-compile (require 'esh-maint))
+
+ (defgroup eshell-banner nil
+ "This sample module displays a welcome banner at login.
+ It exists so that others wishing to create their own Eshell extension
+ modules may have a simple template to begin with."
+ :tag "Login banner"
+ :link '(info-link "(eshell)Login banner")
+ :group 'eshell-module)
+
+ ;;; Commentary:
+
+ ;; There is nothing to be done or configured in order to use this
+ ;; module, other than to select it by customizing the variable
+ ;; `eshell-modules-list'. It will then display a version information
+ ;; message whenever Eshell is loaded.
+ ;;
+ ;; This code is only an example of a how to write a well-formed
+ ;; extension module for Eshell. The better way to display login text
+ ;; is to use the `eshell-script' module, and to echo the desired
+ ;; strings from the user's `eshell-login-script' file.
+ ;;
+ ;; There is one configuration variable, which demonstrates how to
+ ;; properly define a customization variable in an extension module.
+ ;; In this case, it allows the user to change the string which
+ ;; displays at login time.
+
+ ;;; User Variables:
+
+ (defcustom eshell-banner-message "Welcome to the Emacs shell\n\n"
+ "*The banner message to be displayed when Eshell is loaded.
+ This can be any sexp, and should end with at least two newlines."
+ :type 'sexp
+ :group 'eshell-banner)
+
+ (put 'eshell-banner-message 'risky-local-variable t)
+
+ ;;; Code:
+
+ (require 'esh-util)
+
+ (defcustom eshell-banner-load-hook '(eshell-banner-initialize)
+ "*A list of functions to run when `eshell-banner' is loaded."
+ :type 'hook
+ :group 'eshell-banner)
+
+ (defun eshell-banner-initialize ()
+ "Output a welcome banner on initialization."
+ ;; it's important to use `eshell-interactive-print' rather than
+ ;; `insert', because `insert' doesn't know how to interact with the
+ ;; I/O code used by Eshell
+ (unless eshell-non-interactive-p
+ (assert eshell-mode)
+ (assert eshell-banner-message)
+ (let ((msg (eval eshell-banner-message)))
+ (assert msg)
+ (eshell-interactive-print msg))))
+
+ (eshell-deftest banner banner-displayed
+ "Startup banner is displayed at point-min"
+ (assert eshell-banner-message)
+ (let ((msg (eval eshell-banner-message)))
+ (assert msg)
+ (goto-char (point-min))
+ (looking-at msg)))
+
+ ;;; arch-tag: e738b4ef-8671-42ae-a757-291779b92491
+ ;;; em-banner.el ends here
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Miles Bader <=