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overchan

OVERCHAN(8)						      System Manager's Manual						       OVERCHAN(8)

NAME

       overchan - update the news overview database

SYNOPSIS

       overchan [ - | file ]

DESCRIPTION

       Overchan  reads	article  data  from files or standard input if none are specified.  (A single dash in the file list means to read standard
       input.)	It uses this information to update the news overview database.	Overchan was originally designed to be used by InterNetNews or the
       C News ``mkov'' packages to update the database as the articles come in.  For current inn, the database is stored by overview method.  This
       can be done within innd(8) but, still overchan(8) can do this, if <useoverchan in inn.conf> is ``true'' and appropriate setup  is  done	in
       newsfeeds(5).  file, for example:

	      overview!:*:Tc,WnteO:<pathbin in inn.conf>/overchan

       This data consists of a line of text, separated into four parts by a space.  The first part is a token for the article.	The second part is
       time when the article was received.  The third part is time when the article will be expired(which represents Expires header.)  The  fourth
       part is the data to be stored.  The data in the overview files should be expired by running expireover(8).  This is normally done by adding
       the ``expireover'' flag to the news.daily(8) invocation.

HISTORY

       Written by Rob Robertson <rob@violet.berkeley.edu> and Rich $alz <rsalz@uunet.uu.net> for InterNetNews.	This is  revision  1.9.2.1,  dated
       2000/08/17.

SEE ALSO

       expireover(8), inn.conf(5), news.daily(8), newsfeeds(5).

																       OVERCHAN(8)