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 10316 invoked from network); 11 Sep 2023 06:00:00 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 11 Sep 2023 06:00:00 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 2FBDE43114; Mon, 11 Sep 2023 15:59:52 +1000 (AEST) Received: from marmaro.de (marmaro.de [176.28.23.198]) by minnie.tuhs.org (Postfix) with ESMTP id 2188B43114 for ; Mon, 11 Sep 2023 15:59:45 +1000 (AEST) Received: by marmaro.de (masqmail 0.3.6-dev, from userid 1000) id 1qfZxY-3Sk-00 for ; Mon, 11 Sep 2023 07:59:44 +0200 To: tuhs@tuhs.org In-reply-to: <202309101941.38AJfYOc019233@freefriends.org> References: <1qf3zQ-7oK-00@marmaro.de> <202309101941.38AJfYOc019233@freefriends.org> User-Agent: meillo's mail handler (mmh) X-License: CC0 (http://marmaro.de/rights) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <13313.1694411984.1@marmaro.de> Content-Transfer-Encoding: quoted-printable Date: Mon, 11 Sep 2023 07:59:44 +0200 From: markus schnalke Message-ID: <1qfZxY-3Sk-00@marmaro.de> Message-ID-Hash: KHP2M4KIHWAJ7A55FH56XZ76MANFQF6L X-Message-ID-Hash: KHP2M4KIHWAJ7A55FH56XZ76MANFQF6L X-MailFrom: meillo@marmaro.de 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: Hoi, thanks a lot for your helpful answer. This was the kind of answer I was wishing to get. It's hard to resist getting the book, after your favorable words. ;-) meillo [2023-09-10 21:41] arnold@skeeve.com > > 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 > =