From owner-freebsd-questions@freebsd.org Mon Nov 2 19:07:56 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 67E11458848 for ; Mon, 2 Nov 2020 19:07:56 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CQ2Vg4L1Rz3d1Q for ; Mon, 2 Nov 2020 19:07:55 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Received: from capuchin.riseup.net (capuchin-pn.riseup.net [10.0.1.176]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4CQ2VT3HDFzFdxx for ; Mon, 2 Nov 2020 11:07:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1604344065; bh=fVUPggovegidAz7rJKM64b5XRZKGj4a2draj2rElg3Q=; h=Date:From:To:Subject:In-Reply-To:References:From; b=mqHx/HxAyR9+75nbAOimE2balto1c0jMGvy1CvYsTVc76dF5tBvpXRCFlcHSdDdLc qW+rM1DXjEAqmLBfLq6+d8Kz15i/bmKBo6SzUR8weuCFBFrFsHMtwtXpnapVXmSSAs ty+xHE67TkTnkgvd4JeQ7EOe+fN1i8TRw8I7c3Z0= X-Riseup-User-ID: 21218123523FDB8AFBA40674F1566B0D535DD67E7E1B9861D75D541F7FE8AF6C Received: from [127.0.0.1] (localhost [127.0.0.1]) by capuchin.riseup.net (Postfix) with ESMTPSA id 4CQ2VS5fXXz8t3b for ; Mon, 2 Nov 2020 11:07:44 -0800 (PST) Date: Mon, 2 Nov 2020 20:07:37 +0100 From: Ralf Mardorf To: freebsd-questions@freebsd.org Subject: Re: simple shell script to compare two dirs recursively Message-ID: <20201102200737.27745317@archlinux> In-Reply-To: <6d734580-55b0-eb70-677c-4270f29a00a9@kicp.uchicago.edu> References: <34dfc85a-b985-e31f-a6b2-cf14f1f56fd2@nethead.se> <6d734580-55b0-eb70-677c-4270f29a00a9@kicp.uchicago.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4CQ2Vg4L1Rz3d1Q X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=riseup.net header.s=squak header.b=mqHx/HxA; dmarc=pass (policy=none) header.from=riseup.net; spf=pass (mx1.freebsd.org: domain of ralf-mardorf@riseup.net designates 198.252.153.129 as permitted sender) smtp.mailfrom=ralf-mardorf@riseup.net X-Spamd-Result: default: False [-4.33 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[riseup.net:s=squak]; NEURAL_HAM_MEDIUM(-1.00)[-1.004]; FROM_HAS_DN(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[198.252.153.129:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_LOW(-1.00)[riseup.net:dkim]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[riseup.net:+]; DMARC_POLICY_ALLOW(-0.50)[riseup.net,none]; NEURAL_HAM_SHORT(-0.74)[-0.735]; NEURAL_HAM_LONG(-0.99)[-0.990]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; ASN(0.00)[asn:16652, ipnet:198.252.153.0/24, country:US]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions]; RCVD_IN_DNSWL_LOW(-0.10)[198.252.153.129:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Nov 2020 19:07:56 -0000 On Mon, 2 Nov 2020 12:14:11 -0600, Valeri Galtsev wrote: >diff -r /path1 /path2 Yesno :D. FWIW diff -r /path1 /path2; echo $? sometimes could be a PITA, at least on Linux. I prefer diff -r --no-dereference /path1 /path2; echo $? ;). However, I'm used to (bash on) Linux, OTOH https://www.freebsd.org/cgi/man.cgi?diff Ctrl+F no-dereference doesn't find a match. I don't know how soft links are handled by FreeBSD's diff, but the diff I'm used to tends to fail, without the --no-dereference option, if soft links are involved. If so, it quasi suffers from false positives.