From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 44b22553 for ; Mon, 25 Mar 2019 17:53:01 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 4DBA59B5C4; Tue, 26 Mar 2019 03:53:00 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id EA5DD9B595; Tue, 26 Mar 2019 03:52:21 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 4B69B9B595; Tue, 26 Mar 2019 03:52:19 +1000 (AEST) X-Greylist: delayed 2002 seconds by postgrey-1.36 at minnie.tuhs.org; Tue, 26 Mar 2019 03:52:18 AEST Received: from seine.is.ed.ac.uk (seine.is.ed.ac.uk [129.215.17.202]) by minnie.tuhs.org (Postfix) with ESMTP id 478E29B571 for ; Tue, 26 Mar 2019 03:52:18 +1000 (AEST) Received: from crunchie.inf.ed.ac.uk (crunchie.inf.ed.ac.uk [129.215.202.41]) by seine.is.ed.ac.uk (8.14.7/8.14.7) with ESMTP id x2PHIoGp008811; Mon, 25 Mar 2019 17:18:50 GMT Received: from macaroni.inf.ed.ac.uk (macaroni.inf.ed.ac.uk [129.215.197.42]) by crunchie.inf.ed.ac.uk (8.14.7/8.14.7) with ESMTP id x2PHInG3028057; Mon, 25 Mar 2019 17:18:49 GMT Received: by macaroni.inf.ed.ac.uk (Postfix, from userid 26013) id C193C24E8186; Mon, 25 Mar 2019 17:19:17 +0000 (GMT) From: Richard Tobin To: Lars Brinkhoff , reed@reedmedia.net In-Reply-To: Lars Brinkhoff's message of Sun, 24 Mar 2019 04:19:13 +0000 X-Mailer: Ream 5.1.51-richard-mac Message-Id: <20190325171917.C193C24E8186@macaroni.inf.ed.ac.uk> Date: Mon, 25 Mar 2019 17:19:17 +0000 (GMT) X-Edinburgh-Scanned: at seine.is.ed.ac.uk with MIMEDefang 2.84, Sophie, Sophos Anti-Virus, Clam AntiVirus Content-Type: text/plain MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 129.215.17.202 Subject: Re: [TUHS] a possible source for 4.1BSD tapes X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Unix Heritage Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" > "taperead" in http://github.com/brouhaha/tapeutils can extract files > from a tape image. The format is very simple: a 32-bit little-endian record length, followed by that many bytes, followed by the length again for integrity checking. A record length of zero is a file mark. -- Richard -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.