From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: quiz for Sequential_IO Read Date: Mon, 4 Sep 2017 07:14:33 +0200 Organization: A noiseless patient Spider Message-ID: References: <9eooqc1fobftu0rf1cql0heo1o17rkj9jm@4ax.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Date: Mon, 4 Sep 2017 05:10:12 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="2700b37b2435fc669d33de4584041a48"; logging-data="11995"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+wMsnYe/O0NoEW43Mdl455" User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 In-Reply-To: <9eooqc1fobftu0rf1cql0heo1o17rkj9jm@4ax.com> Content-Language: fr Cancel-Lock: sha1:U2uS0cCLsFo495Qyd9KmtiJuYc0= Xref: news.eternal-september.org comp.lang.ada:47926 Date: 2017-09-04T07:14:33+02:00 List-Id: Le 03/09/2017 à 22:17, Dennis Lee Bieber a écrit : >> In every language, the format of a binary file is known only to the >> compiler (I remember having been warned about this when I learned >> FORTRAN - a long time ago); the purpose of these files is to save data, >> then reread them from the same program, or at least the same language >> with the same compiler. >> > Record Management Services (RMS) were the common underlying record > handling system in the VMS operating system. It was responsible for > allowing practically any language on the system to read files created by > any other language. Whether fixed-length sequential, variable-length > sequential, direct access, and keyed access. But in VMS, everything was standardized and compatible (sigh...). However, a VMS binary file was not necessary compatible with a compiler for a different OS. -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr