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From: markus schnalke <meillo@marmaro.de>
To: tuhs@tuhs.org
Subject: [TUHS] Re: The AWK Programming Language, 2nd Ed.: What's new?
Date: Mon, 11 Sep 2023 07:59:44 +0200	[thread overview]
Message-ID: <1qfZxY-3Sk-00@marmaro.de> (raw)
In-Reply-To: <202309101941.38AJfYOc019233@freefriends.org>

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 <meillo@marmaro.de> 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
> 

  parent reply	other threads:[~2023-09-11  6:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-09 19:51 [TUHS] " markus schnalke
2023-09-09 20:13 ` [TUHS] " christopher fujino
2023-09-10 19:41 ` arnold
2023-09-10 19:59   ` Norman Wilson
2023-09-11  5:59   ` markus schnalke [this message]
2023-09-11 13:52     ` Stuff Received
2023-09-13 21:28 arnold
2023-09-15  1:40 ` Mary Ann Horton
2023-09-15  3:48   ` arnold
2023-09-16 17:52     ` Mary Ann Horton
2023-09-15  3:49   ` Ajay Shah
2023-09-15  3:54     ` arnold
2023-09-15  9:09       ` KenUnix
2023-09-15 11:24         ` Dan Cross
2023-09-15 20:04         ` Dave Horsfall
2023-09-15 20:09           ` John Cowan
2023-09-15 20:17         ` Warren Toomey via TUHS
2023-09-16 17:32           ` Mary Ann Horton
2023-09-15 21:08         ` Warner Losh
2023-09-16  1:20 Norman Wilson

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