From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: Multiple M-x shells sharing input ring Date: Thu, 04 Sep 2014 21:46:26 +0200 Message-ID: <87ppfbkw31.fsf@web.de> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1409860041 31657 80.91.229.3 (4 Sep 2014 19:47:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 4 Sep 2014 19:47:21 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Sep 04 21:47:14 2014 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XPczv-0004dB-Hs for geh-help-gnu-emacs@m.gmane.org; Thu, 04 Sep 2014 21:47:11 +0200 Original-Received: from localhost ([::1]:53833 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPczv-0005g4-5Q for geh-help-gnu-emacs@m.gmane.org; Thu, 04 Sep 2014 15:47:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45930) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPczX-0005T9-T2 for help-gnu-emacs@gnu.org; Thu, 04 Sep 2014 15:46:55 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XPczQ-0006NH-Ci for help-gnu-emacs@gnu.org; Thu, 04 Sep 2014 15:46:47 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:33264) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPczQ-0006N6-74 for help-gnu-emacs@gnu.org; Thu, 04 Sep 2014 15:46:40 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XPczP-0004EL-Cx for help-gnu-emacs@gnu.org; Thu, 04 Sep 2014 21:46:39 +0200 Original-Received: from ip-90-186-74-63.web.vodafone.de ([90.186.74.63]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 04 Sep 2014 21:46:39 +0200 Original-Received: from michael_heerdegen by ip-90-186-74-63.web.vodafone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 04 Sep 2014 21:46:39 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 29 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: ip-90-186-74-63.web.vodafone.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:UWc/mty6Xzxvs9H+50gfpv3zw1Q= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:99644 Archived-At: Joseph Xu writes: > Is there a way to have multiple M-x shell buffers share an input ring? For > example, if I have two shells running, A and B, and I enter a command into > A, I would like to be able to find it immediately in the input history of B > using M-p and M-r. Not without some dirty hack. `shell' is based on comint.el that uses a buffer local history variable (`comint-input-ring') for every buffer. However, you can try to copy the history from one buffer to the other: (defun my-use-comint-input-ring-from-buffer (buffer) (interactive "b") (setq comint-input-ring (with-current-buffer buffer comint-input-ring))) If you do that from shell2 to use the history from shell1, they share the same structure as history. That works because the history is realized as a list, and what you copy is internally a reference to that same object. Dunno whether doing that can cause any problems, but it seems to work here as you want. Michael.