[cwn] Attn: Development Editor, Latest Caml Weekly News

[Alan Schmitt]

Hello,

Here is the latest Caml Weekly News, for the week of November 28 to  
December 05, 2006.

1) Cameleon 1.9.17
2) Inotify binding
3) json-wheel 1.0.0
4) reading audio

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1) Cameleon 1.9.17
Archive: <http://groups.google.com/group/fa.caml/browse_thread/thread/ 
b1cda4e0c8033b20/dada31cdcca62507#dada31cdcca62507>
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** Maxence Guesdon announced:

I'm pleased to announce the release 1.9.17 of Cameleon.

*** What is Cameleon ?

Cameleon is a set of libraries and tools aiming to become an integrated
development environment for OCaml. The libraries included are used by  
the
tools but can be used for other projects.
The interface is based on Lablgtk2. A description of each tool and  
library
is available on the site.

*** What's new ?

A source code editor, called Chamo, was added. It can be fully  
configured
and extended using OCaml code evaluated at run time (same as lisp for
emacs).
The FAQ about Chamo contains useful information:
   <http://home.gna.org/cameleon/faq.fr.html#faq:chamo>

*** Where is it available ?

 From the Cameleon web site:
   <http://home.gna.org/cameleon/>
			
========================================================================
2) Inotify binding
Archive: <http://groups.google.com/group/fa.caml/browse_thread/thread/ 
65b9e6b67afbb553/82de5c2e53096a47#82de5c2e53096a47>
------------------------------------------------------------------------
** Continuing the thread from last week, Aleksey Nogin said:

Vincent Hanquez wrote:
 > Richard Jones wrote:
 > > Vincent Hanquez wrote:
 > > > I've made a small bindings for inotify, aka linux file system  
notification
 > > > new subsystem.
 > > I think OMake includes bindings for gamin.
 > it seems to be talking FAM.

Actually, in our LibMojave (which is what OMake uses) we have  
bindings for:
- FAM
- Gamin (using either the generic FAM interface, or taking advantage of
Gamin extensions)
- kqueue (FreeBSD, OS X)
- inotify (Linux)
- ??? (Win32) - not sure what exactly is used there
In all five cases, we provide the _same_ fam-style interface on the
OCaml side. We also have OMake autoconf-style scripts that can detect
which of the fours notification mechanisms is present on a specific
machine and use the appropriate one.

 > Sounds more like a bad thing than a good thing to me.
 > Direct inotify binding are much smaller/simpler anyway.

That might be true, but only if you happen to be on a machine that
provides inotify. We do utilize inotify if it is present, but we also
have an option of using one of the other four when there is no inotify.
			
========================================================================
3) json-wheel 1.0.0
Archive: <http://groups.google.com/group/fa.caml/browse_thread/thread/ 
a39c195bc770c38e/16f6d311b6f0561c#16f6d311b6f0561c>
------------------------------------------------------------------------
** Martin Jambon announced:

json-wheel is an OCaml implementation of the JSON data interchange  
format,
which can be considered as a lightweight alternative to XML.

Authors: Mika Illouz, Martin Jambon
License: BSD <http://martin.jambon.free.fr/json-wheel-license.txt>
Homepage: <http://martin.jambon.free.fr/json-wheel.html>
Documentation: <http://martin.jambon.free.fr/json-wheel-doc/index.html>
Download: <http://martin.jambon.free.fr/json-wheel.tar.gz>
GODI package: godi-json-wheel

Understanding the origin of the name of this library is left as an
exercise for the reader.
			
========================================================================
4) reading audio
Archive: <http://groups.google.com/group/fa.caml/browse_thread/thread/ 
48c0df240b3fd244/468b3b67a66a077a#468b3b67a66a077a>
------------------------------------------------------------------------
** Vu Ngoc San asked and Eric Cooper answered:

 > is there a library available for reading wav files in ocaml and, say,
 > convert it to a bigarray or something equivalent ?

I wrote one a few years ago as part of a little application to display
WAV files graphically:
     <http://www.cs.cmu.edu/~ecc/gwav.tar.gz>
			
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Using folding to read the cwn in vim 6+
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Here is a quick trick to help you read this CWN if you are viewing it  
using
vim (version 6 or greater).

:set foldmethod=expr
:set foldexpr=getline(v:lnum)=~'^=\\{78}$'?'<1':1
zM
If you know of a better way, please let me know.

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-- 
Alan Schmitt <http://alan.petitepomme.net/>

The hacker: someone who figured things out and made something cool  
happen.
  .O.
  ..O
  OOO


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