From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: npostavs@users.sourceforge.net Newsgroups: gmane.emacs.bugs Subject: bug#27361: 24.4; eshell/echo silently ignores -n argument Date: Mon, 19 Jun 2017 00:11:34 -0400 Message-ID: <87fuewr4zt.fsf@users.sourceforge.net> References: <87tw3ilf4i.fsf@hagelb.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1497845474 29450 195.159.176.226 (19 Jun 2017 04:11:14 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 19 Jun 2017 04:11:14 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux) Cc: 27361@debbugs.gnu.org To: Phil Hagelberg Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jun 19 06:11:08 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dMo1s-0007JH-4M for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 18 Jun 2017 21:10:01 -0700 (PDT) Original-Received: from zony ([45.2.7.65]) by smtp.googlemail.com with ESMTPSA id f127sm3259658itf.27.2017.06.18.21.09.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 18 Jun 2017 21:10:00 -0700 (PDT) In-Reply-To: <87tw3ilf4i.fsf@hagelb.org> (Phil Hagelberg's message of "Wed, 14 Jun 2017 09:15:41 -0700") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:133742 Archived-At: Phil Hagelberg writes: > When using eshell, the `echo' built-in doesn't respect the -n argument, > which is supposed to suppress the trailing newline. > > Sometimes this is not a problem because you can see for yourself that > eshell did the wrong thing, but if you are piping it directly to another > command, it's easy to miss. > > The eshell/echo function should be changed to either accept the -n > argument and omit the newline, or it should complain that -n is not a > supported argument. It's not ignored, but eshell always adds a newline before the prompt. Furthermore, the argument has the opposite sense to the traditional shell interpretation: ~/src $ echo x | od -c 0000000 x 0000001 ~/src $ echo -n x | od -c 0000000 x \n 0000002