From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 7636 invoked from network); 13 Sep 2023 21:29:26 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 13 Sep 2023 21:29:26 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 30A9C41043; Thu, 14 Sep 2023 07:29:13 +1000 (AEST) Received: from freefriends.org (frenzy.freefriends.org [198.99.81.75]) by minnie.tuhs.org (Postfix) with ESMTPS id 681B741041 for ; Thu, 14 Sep 2023 07:28:59 +1000 (AEST) X-Envelope-From: arnold@skeeve.com X-Envelope-To: Received: from freefriends.org (localhost [127.0.0.1]) by freefriends.org (8.14.7/8.14.7) with ESMTP id 38DLSvHX026721 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 13 Sep 2023 15:28:57 -0600 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id 38DLSvEj026719 for tuhs@tuhs.org; Wed, 13 Sep 2023 15:28:57 -0600 From: arnold@skeeve.com Message-Id: <202309132128.38DLSvEj026719@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Wed, 13 Sep 2023 14:28:55 -0700 To: tuhs@tuhs.org User-Agent: Heirloom mailx 12.5 6/20/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID-Hash: E4KU4FHUCBCPTF7ES5KT67G4JMEO6YIR X-Message-ID-Hash: E4KU4FHUCBCPTF7ES5KT67G4JMEO6YIR X-MailFrom: arnold@skeeve.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: The AWK Programming Language, 2nd Ed.: What's new? List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Hello All. For whoever's interested, the csv code has been merged into the master branch of the Git repo. Have fun! Arnold > From: arnold at skeeve.com (arnold at skeeve.com) > Date: Sun, 10 Sep 2023 13:41:34 -0600 > Subject: [TUHS] The AWK Programming Language, 2nd Ed.: What's new? > > Hi. > > markus schnalke wrote: > > > Hoi, > > > > I just discovered that one of my favorite computer books about my > > best liked programming language (besides C) releases in a second > > edition. Does anyone know what the differences of 1st and 2nd > > edition are? > > > > As the original book is almost perfect, the only rework and > > extension direction I can think of is towards different > > implementations like gawk, mawk, portability and such things. > > > > Does anyone know more about it? Maybe some inside information? ;-) > > > > meillo > > Inside information? As it happens, yes, I do have some. :-) > (I was a reviewer.) > > [In the below, "awk" means Brian Kernighan's awk.] > > In the 36 (!) years since the first edition was published, awk > has undergone, shall we say, a large number of small changes. These > are listed in the FIXES file currently in the master branch of > https://github.com/onetrueawk/awk. > > In addition, Brian Kernighan decided to add support for UTF-8 input, > which is what awk now expects, and support for CSV input files when > invoked with the --csv option. Furthermore, there is a new \u escape > sequence which must be followed by 1-8 hexadecimal digits for specifying > Unicode code points. > > The book itself has been carefully revised. The large second chapter > which was a reference to the full language was moved to an appendix. > Many of the example programs from the first edition were retained > and updated, but there is also quite of lot of pleasing new material. > > There is mention of, and occasional comparison with, gawk, mawk and > Ben Hoyt's GoAwk, but by and large the focus is on the authors' version. > > The new code is currently in the "csv" branch of the above Github > repo. The maintainer is in the process of tidying up the repo (dealing > with issues and pull requests) and will merge the csv branch into > master sometime in the very near future. > > I'm told that the printed books with get to the publisher's warehouse > towards the end of September. The book is available now on O'Reilly's > Safari learning site (safari.oreilly.com) for anyone who has a > subscription. > > Matching code (--csv and \u) are in gawk's master branch now. I will > make a release this fall, after the new code has moved into master > in BWK's awk. > > I heartily recommend the book; it is totally up to Brian Kernighan's > usual very high standard. > > Enjoy, > > Arnold >