ApplyDiffs 2.5 (22.11.2001)
===========================
(w) 1995 - 2001 by André Bernhardt
CHANGES
=======
- bugfix: ApplyDiffs can now handle mixed original- and stripped- diffs
correctly (problem with 970307-diffs from AMINET)
PURPOSE
=======
The movie database files and diff files are updated every Friday. The
diffs-archives are named according to the week's full data to which they
should be applied in order to generate the following week's data. The
filename format is:
imdbDiffYYMMDD.lha
For example, imdbDiff941230.lha contains the diffs to be applied to the
30th December 1994 files in order to generate the files for 6th January
1995.
The program 'ApplyDiffs' applies all files of the weekly diff-archive to
the listfiles of the Internet MovieDatabase and checks the consistency of
the data.
NOTE: if you miss more than one weeks worth of updates you need to apply
the patches for all the missing weeks in succession to bring your local
copies up to date.
In order to check that the diffs have been applied correctly, all the
database files include a CRC on their first line. The program 'ApplyDiffs'
will automatically verify that this checksum is correct.
After having applied all diffs to the listfiles, a summary of all
diff-files together with the status information and number of lines that
have been added and deleted is shown.
WHY APPLYDIFFS?
===============
Instead of Applydiffs, you could as well use the common program 'patch'.
Unfortunately, this program creates very big temporary files when updating
the actors- & actresses lists. It is also very slow and can't check the
CRC-sums. ApplyDiffs on the other hand can only be used to apply the
MovieDatabase-diffs to the listfiles. It cannot be used to apply any diffs
created by the program 'diff'!
DISCLAIMER
==========
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDER AND/OR OTHER PARTIES PROVIDE THE PROGRAM ''AS IS'' WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY REDISTRIBUTE THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
LICENSE
=======
This file is part of the Internet Movie Database. The database is an
international volunteer effort whose principal objective is to provide
useful and up to date movie information *freely* available on-line, across
as many systems and platforms as possible. The Internet Movie Database
Team can be reached via e-mail at <imdb-team ibmpcug.co.uk> and are happy
to discuss the implications of and exceptions to this license.
All data and software released by the Internet Movie Database Team is
freely available to anyone within certain limitations described below. You
are encouraged to quote subsets of the database in USENET articles, movie
related FAQs, magazine articles etc. We do ask, however, that if
appropriate, you make reference to the source of the data and provide a
pointer to database for the benefit of the reader.
Permission is granted by the copyright holder to allow free distribution of
this file and any other part of the Internet Movie Database in an
ELECTRONIC FORM ONLY, providing the following conditions are met:
(1) NO FEE OF ANY KIND (however indirect), can be charged for its
distribution. If this file is being stored for later distribution to
anyone that can be seen as a customer to yourself or your company /
organization YOU MUST contact the Internet Movie Database Team for
permission.
(2) Each of the database files may be distributed individually but only in
an unaltered form. All the header and trailer information (including
this notice and the details on how to access the database) must remain
intact.
(3) Specifically the files may NOT be used to construct any kind of
on-line database (except for individual personal use). Clearance for
ALL such on-line data resources must be requested from the Internet
Movie Database Team. This is to enable us to maintain an up to date
list of all such sites. Clearance will be granted provided access to
said database is itself entirely free from ANY fees.
(4) In addition, copies of the movie database frequently asked questions
list and additions guide must be made available in the same area / by
the same method as the other database files.
(5) CD-ROM distribution is prohibited without written permission from the
Internet Movie Database Team (see below for an e-mail contact).
Distribution by e-mail, BBS and internet systems is positively encouraged
within these limitations.
The files and software which make up the movie database may be uploaded to
commercial BBS systems providing that the above conditions are met and no
*additional* fees are applied above the standard connect time or
downloading charges.
This copyright notice has been designed to ensure that the voluntary time
and effort of the Internet Movie Database Team and database users, is not
used for financial gain by those who have contributed nothing or little to
its growth or success. The changing nature of the Internet towards more
commercial uses has forced us to produce this statement. Please do not be
discouraged from submitting additions to the database as a result of this
policy. If you need further explanation please contact the team at the
address given below.
If you are in doubt as to whether this copyright notice prevents you from
distributing the database to others, you should contact the Internet Movie
Database Team by e-mail at <imdb-teamibmpcug.co.uk>.
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