overview.ctl - configuration file for unified overview
The file <pathetc in inn.conf> is required if the new storage API is
used on machines running nnrpd(8). Optional on feed-only machines. If
the file does not exist or is empty, no overview information will be
written by innd(8).
The traditional overview database was written by an external program
overchan(8), but with the unified overview, this is now done by
innd(8). This is because the overview offset is written into a token,
which is stored as the 3rd field of each history(5) entry. Overchan(5)
is still needed to store the overview index and will require an entry
in the newsfeeds(5) file. If the overview index is not created, the
articles will not be available through nnrpd(8).
Overview entries are now expired with the normal expire(8) program and
the overview index is expired with expireindex(8)
The file consists of a series of lines; blank lines and lines beginning
with a number sign (``#'') are ignored. The order of lines in this
file is important.
Each line is formatted as:
The ``index_number'' is a number >= 0 and <255 and ``wildmat'' refers
to a newsgroup pattern that will be parsed with wildmat(3). Matching
newsgroup is against newsgroup name in ``Xref'' header, not ``News-
groups'' header. ``!'' and ``@'' are allowed at the start of the wild-
mat and refer to pattern exclusions. See newsfeeds(5) for a description
of their use. The ``wildmat'' is matched in order. There is no
default ``wildmat'' pattern, so specified ``wildmat'' is only used for
If a newsgroup matches wildmat pattern, overview data is stored in
<pathoverview in inn.conf>/index_number/overview. Note that the file
is interpreted in order and first match line is used to store overview
If a newsgroup does not match any wildmat pattern in any line, no
overview data is stored for it and no articles can be retrieved from it
If the file is changed, it can be reloaded into INN using ``ctlinnd
reload overview.ctl reason'' (see ctlinnd(8)).
Written by Katsuhiro Kondou <firstname.lastname@example.org> for InterNetNews. This
is revision 22.214.171.124, dated 1999/06/12.
ctlinnd(8), expire(8), expireindex(8), expireover(8), inn.conf(5),
innd(8), history(5), newsfeeds(5), nnrpd(8), overchan(8), wildmat(3).
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