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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).

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