
		 ZTCL - TCL binding to ZLIB
		 ==========================

		       by Marco Maggi


Topics
------

   1. Overview
   2. Copyright
   3. Compile and install
   4. Usage
   A. Credits
   B. Bugs
   C. Resources


1. Overview
-----------

ZTCL  is a  wrapper  for  ZLib that  allows  TCL scripts  to
(un)compress chunks  of data and  to read/write files  in GZ
format.


2. Copyright
------------

Copyright (C) 2002, 2003, 2004 by Marco Maggi. 

This  library  is free  software;  you  can redistribute  it
and/or modify it  under the terms of the  GNU Lesser General
Public License as published by the Free Software Foundation;
either version 2.1  of the License, or (at  your option) any
later version.

This  library is  distributed in  the hope  that it  will be
useful, but  WITHOUT ANY WARRANTY; without  even the implied
warranty  of  MERCHANTABILITY or  FITNESS  FOR A  PARTICULAR
PURPOSE.  See the GNU Lesser General Public License for more
details.

You should  have received a  copy of the GNU  Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc.,  59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA


3. Compile and install
----------------------

Read the INSTALL file. 


4. Usage
--------

Read the documentation.


A. Credits
----------

The  stuff was  written  by Marco  Maggi.   If this  package
exists it's because of the  great GNU software tools that he
uses all the time.

  TCL  exists because  John Ousterhout  wrote it  and people
started using and enhancing it;  now it is maintained by the
TCL  Core Team  (TCT).  Thanks  to them  and  the people  on
comp.lang.tcl.

  From the zlib README file:

   zlib 1.1.4 is a general purpose data compression library.
   All the code is thread safe.  The data format used by the
   zlib library is described  by RFCs (Request for Comments)
   1950        to       1952       in        the       files
   http://www.ietf.org/rfc/rfc1950.txt     (zlib    format),
   rfc1951.txt   (deflate  format)  and   rfc1952.txt  (gzip
   format).

   ... 

     Questions about  zlib should be  sent to zlib@gzip.org,
   or  to Gilles Vollant  info@winimage.com for  the Windows
   DLL version.   The zlib home  page is http://www.zlib.org
   or   http://www.gzip.org/zlib/.    Before   reporting   a
   problem, please  check this site to verify  that you have
   the  latest version  of  zlib; otherwise  get the  latest
   version  and check  whether the  problem still  exists or
   not.        PLEASE      read      the       zlib      FAQ
   http://www.gzip.org/zlib/zlib_faq.html  before asking for
   help.

   ... 

     The  deflate format used  by zlib  was defined  by Phil
   Katz. The deflate and zlib specifications were written by
   L.  Peter Deutsch. Thanks  to all the people who reported
   problems and suggested various improvements in zlib; they
   are too numerous to cite here.

   ...

     The  library  has been  entirely  written by  Jean-loup
   Gailly and  Mark Adler;  it does not  include third-party
   code.


B. Bugs
-------

A bug  in ZTCL is  my fault only.  Reports  are appreciated,
send them  to me by email.   Get my mail  username, which is
"marcomaggi",  and the  mail hostname  of my  ISP,  which is
"tiscalinet.it", and  join them together with an  "@" in the
middle.

  As long as the project is hosted at GNA!, you can file bug
reports there.


C. Resources
------------

The last version of ZTCL can be found here:

	      <http://gna.org/projects/ztcl/>

it is unlikely but you may try here:

	    <http://web.tiscali.it/marcomaggi/>

  The last version of ZLIB can be found here:

		<http://www.gzip.org/zlib/>

  Tcl can be found here:

		    <http://www.tcl.tk/>

  A  ZLIB binding  for  Tcl written  by  Andreas Kupries  is
available at:

	 <http://www.westend.com/~kupries/doc/trf/>


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