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NAME

News::NNTPClient - Perl 5 module to talk to NNTP (RFC977) server

DESCRIPTION

This module implements a client interface to NNTP, enabling a Perl 5
application to talk to NNTP servers.  It uses the OOP (Object Oriented
Programming) interface introduced with Perl 5.

##########################
# YEAR 2000 (Y2K) NOTICE #
##########################

I've made changes to make this module "Year 2000" compliant (catch
phrase of the millennium?).  If your NNTP server is "Year 2000"
compliant, things should work without modification.  If your NNTP
server is NOT "Year 2000" compliant, you will have problems with the
three commands that make use of the date.

RFC977 specifies that the year is two digits.  It further specifies
that the closest century is assumed.  I quote:

    The closest century is assumed as part of the year (i.e., 86
    specifies 1986, 30 specifies 2030, 99 is 1999, 00 is 2000).

However, some servers apparently have been changed to use four digit
years, so I've added a method to turn on four digit years.  Further,
the year is now modified to be no more than two digits if the four
digit year mode is off.  For example, in the year 2000, in four digit
mode, the year will be 2000 and in two digit mode it will be 00.

To turn it on, just add a call to the fourdigityear() method after the
call to new:

   $c = new News::NNTPClient;
   $c->fourdigityear(1);

The three NNTP commands affected by the date are:

   newgroups()
   newnews()
   xmotd()

which call

   yymmdd_hhmmss()

If you don't use any of these methods, then you shouldn't be affected
by two vs. four digit year problems.

My NNTP server is not yet year 2000 compliant, so these changes have
not been well tested.  However, calls to yymmdd_hhmmss() work as
expected.

CHANGES

RELEASE TO CPAN
0.36 Fixed bug in group/groupinfo.  Now returns false for invalid group.

0.35 More documentation for post.  More extensive testing in test.pl.

0.34 Year is four or two digits; two digit Y2K will be 00, not 100.

RELEASED TO CPAN
0.33 Removed (c), fixed spelling.  Removed date checks from test.pl.

RELEASED TO CPAN (then deleted)
0.32 Added Y2K flag and method to enable use with old servers.

0.31 Documented xhdr allows Message-ID.

0.30 Change USAGE to SYNOPSIS in documentation.

0.29 Added Y2K fix.  Generates YYYYMMDD HHMMSS instead of YYMMDD HHMMSS.

RELEASED TO CPAN
0.28 Added GMT.  Use gmt() method to set to GMT mode.

0.27 Delete reference to fetch by e-mail.  Most fetch from CPAN now.

RELEASED TO CPAN
0.26 Moved initialization to separate subroutine so it may be sub-classed.

0.25 General cleanup and update to use Socket-1.5 and perl 5.002.

0.24 Moved documentation to end of module.

0.23 Created README, changed $version to $VERSION, started using Makefile.PL.

RELEASED TO CPAN
0.22 Better failure handling.

0.21 Made hostname lookup less strict.

0.20 Fixed message(), created internal msg(), changed date() and xpath() to
     use msg().

0.19 Updated documentation.

0.18 Allow null responses, report garbled responses.

RELEASED TO CPAN
0.17 Updated documentation.

0.16 Fixed bug in debug initialization.

...

INSTALLATION

To install News::NNTPClient, perform the following steps.  You'll
likely need to have system administration (a.k.a. root, super-user)
privilege to perform the install step:

    perl Makefile.PL
    make test
    make install

Be warned that some of the tests may fail, depending on your news
server.  If you don't have access to a news server, most of the tests
will fail.

If that doesn't do it for you, you can try the following manual steps:

Copy NNTPClient.pm to perl5lib, where perl5lib is your local Perl 5
library directory, usually /usr/local/lib/perl5.  You'll likely have
to create the News directory, as the perl5 distribution doesn't
normally include it.  Be sure to give everyone read permission on the
file and read/execute permission on the directory.

    umask 022
    mkdir /usr/local/lib/perl5/News
    cp NNTPClient.pm /usr/local/lib/perl5/News

You could then run the following to create a man page:

    cd /usr/local/lib/perl5/News
    pod2man NNTPClient.pm > /usr/local/man/man1/NNTPClient.1

AUTHOR

Rodger V. Anderson  <rodger@boi.hp.com>

SOURCE

The latest version may be retrieved from your nearest CPAN
(Comprehensive Perl Archive Network) site, in the directory
CPAN/modules/by-module/News.  A list of CPAN sites can be found at:

    http://www.perl.com/perl/CPAN/CPAN.html

You might also try:

    http://www.perl.com/CPAN/modules/by-module/News/

COPYRIGHT

Copyright 1995 Rodger V. Anderson. All rights reserved.  This module
is free software; you may redistribute and/or modify it under the same
terms as Perl itself.

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