From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5373C433DB for ; Mon, 25 Jan 2021 16:17:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 653E9229C5 for ; Mon, 25 Jan 2021 16:17:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730631AbhAYQQg (ORCPT ); Mon, 25 Jan 2021 11:16:36 -0500 Received: from mail.adebahr.de ([185.66.179.123]:50904 "EHLO mail.adebahr.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730623AbhAYQQT (ORCPT ); Mon, 25 Jan 2021 11:16:19 -0500 X-Greylist: delayed 536 seconds by postgrey-1.27 at vger.kernel.org; Mon, 25 Jan 2021 11:16:17 EST Received: from localhost (localhost [127.0.0.1]) by mail.adebahr.de (Postfix) with ESMTP id 3829B601EBB17; Mon, 25 Jan 2021 17:06:27 +0100 (CET) Authentication-Results: mail.adebahr.de (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)" header.d=smo.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=smo.de; h= content-transfer-encoding:content-type:content-type:in-reply-to :mime-version:user-agent:date:date:message-id:from:from :references:subject:subject; s=mail; t=1611590787; x=1613405188; bh=0Hu2jGMxMxqNRTowysPP+4NjmcjZaJxZPVp9ZQ8qz9o=; b=JTARFS9nruyr /0klbiOGwFbVfQQM/Yb4NXQ7P6YhKhZ3a+kPHjeKkGLZ+k0asqYi9JzlNtc4X02I +dKJw6fgfOzunta/ad47ZNPkj3uLFGO+FVXLxQRYt7Bz2Sq3tiSC2CcwJoYD4RFU hy3wTq6XOdwCkTWiUFgW0mOk59QAIko= Received: from mail.adebahr.de ([127.0.0.1]) by localhost (mail.adebahr.de [127.0.0.1]) (amavisd-new, port 10026) with LMTP id ntZw7qQmOo-3; Mon, 25 Jan 2021 17:06:27 +0100 (CET) Received: from [192.168.153.201] (pd95154e8.dip0.t-ipconnect.de [217.81.84.232]) by mail.adebahr.de (Postfix) with ESMTPSA id A5CF760084C5C; Mon, 25 Jan 2021 17:06:24 +0100 (CET) Subject: Re: [PATCH v3 (resend)] tee: Add -q, --quiet, --silent option to not write to stdout To: Alejandro Colomar , Bernhard Voelker , Alex Henrie , Christian Groessler , =?UTF-8?Q?P=c3=a1draig_Brady?= , Coreutils , William Ahern , Erik Auerswald , Eric Pruitt , Jeffrey Walton Cc: Michael Kerrisk , Fabrice BAUZAC , tech@openbsd.org, freebsd-hackers@freebsd.org, linux-api@vger.kernel.org, juli@clockworksquid.com, ed@nuxi.nl, oshogbo@freebsd.org References: <1f8ce444-35e2-56a7-dbd1-34e885372b11@gmail.com> <20210124121845.38293-1-alx.manpages@gmail.com> From: Philipp-Joachim Ost Message-ID: Date: Mon, 25 Jan 2021 17:06:24 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 MIME-Version: 1.0 In-Reply-To: <20210124121845.38293-1-alx.manpages@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org Am 24.01.2021 um 13:18 schrieb Alejandro Colomar: > This is useful for using tee to just write to a file, > at the end of a pipeline, > without having to redirect to /dev/null > > Example: > > echo 'foo' | sudo tee -q /etc/foo; > > is equivalent to the old (and ugly) > > echo 'foo' | sudo tee /etc/foo >/dev/null; Why don't you just do echo foo > /etc/foo or sudo sh -c 'echo foo > /etc/foo' ? I don't normally use sudo, so there might be some better way of using it. Kind regards, Philipp