From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Dan Espen <despen@verizon.net>
Newsgroups: gmane.emacs.help
Subject: Re: Examining the output of a shell command?
Date: Sun, 28 Jun 2015 10:03:51 -0400
Organization: A noiseless patient Spider
Message-ID: <mmoupk$d1n$1@dont-email.me>
References: <cva8muFjd2lU1@mid.individual.net>
	<mailman.5831.1435499861.904.help-gnu-emacs@gnu.org>
NNTP-Posting-Host: plane.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: ger.gmane.org 1435500321 15207 80.91.229.3 (28 Jun 2015 14:05:21 GMT)
X-Complaints-To: usenet@ger.gmane.org
NNTP-Posting-Date: Sun, 28 Jun 2015 14:05:21 +0000 (UTC)
To: help-gnu-emacs@gnu.org
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Jun 28 16:05:21 2015
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
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 <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1Z9DCy-0000NW-IB
	for geh-help-gnu-emacs@m.gmane.org; Sun, 28 Jun 2015 16:05:21 +0200
Original-Received: from localhost ([::1]:39083 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1Z9DCx-0001c7-Ct
	for geh-help-gnu-emacs@m.gmane.org; Sun, 28 Jun 2015 10:05:19 -0400
Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!1.eu.feeder.erje.net!newsfeed.datemas.de!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 28
Injection-Info: mx02.eternal-september.org;
	posting-host="ad871ce417d1fb2ea3c87e49e48c0ae1"; 
	logging-data="13367"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19nzM+z6HrngwujjUczn5/f+UcVOWbKz7M="
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
Cancel-Lock: sha1:RNSbkCNhp6tArS/dTNPLtACyGow=
Original-Xref: usenet.stanford.edu gnu.emacs.help:212959
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 <help-gnu-emacs.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/help-gnu-emacs>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=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:105245
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/105245>

"Pascal J. Bourguignon" <pjb@informatimago.com> writes:

> Raffaele Ricciardi <rfflrccrd@gmail.com> writes:
>
>> I would like to analyse the escape sequences emitted by a shell
>> command. I have tried with `shell-command` and
>> `shell-command-to-string`, but escape sequences are stripped away.
>
> Nope. Try a better lie.
>
> (shell-command-to-string "echo $RED hello $NORMAL")
> --> "[31m hello [0m
> "

Maybe the OP doesn't realize that some programs that output
escape sequences won't do so when run as an Emacs shell command.

/bin/ls being a good example.

In that case, run:

/bin/ls --color

as an Emacs shell command.


-- 
Dan Espen