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master d0e457325d: Add a shell-filter-ring-bell function
From: |
Lars Ingebrigtsen |
Subject: |
master d0e457325d: Add a shell-filter-ring-bell function |
Date: |
Tue, 22 Mar 2022 14:16:17 -0400 (EDT) |
branch: master
commit d0e457325d242466107e0c14f910eef0f1ae3599
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>
Add a shell-filter-ring-bell function
* lisp/shell.el (shell-mode): Mention it.
(shell-filter-ring-bell): New function (bug#21652).
---
lisp/shell.el | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/lisp/shell.el b/lisp/shell.el
index 565ededa1e..008fcc4c4e 100644
--- a/lisp/shell.el
+++ b/lisp/shell.el
@@ -570,7 +570,14 @@ the initialization of the input ring history, and history
expansion.
Variables `comint-output-filter-functions', a hook, and
`comint-scroll-to-bottom-on-input' and `comint-scroll-to-bottom-on-output'
control whether input and output cause the window to scroll to the end of the
-buffer."
+buffer.
+
+By default, shell mode does nothing special when it receives a
+\"bell\" character (C-g or ^G). If you
+ (add-hook 'comint-output-filter-functions 'shell-filter-ring-bell nil t)
+from `shell-mode-hook', Emacs will call the `ding' function
+whenever it receives the bell character in output from a
+command."
:interactive nil
(setq comint-prompt-regexp shell-prompt-pattern)
(shell-completion-vars)
@@ -681,6 +688,13 @@ This function can be put on
`comint-preoutput-filter-functions'."
(replace-regexp-in-string "[\C-a\C-b]" "" string t t)
string))
+(defun shell-filter-ring-bell (string)
+ "Call `ding' if STRING contains a \"^G\" character.
+This function can be put on `comint-output-filter-functions'."
+ (when (string-search "\a" string)
+ (ding))
+ string)
+
(defun shell-write-history-on-exit (process event)
"Called when the shell process is stopped.
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