prunehistory(8)



PRUNEHISTORY(8)           InterNetNews Documentation           PRUNEHISTORY(8)

NAME
       prunehistory - Remove tokens from Usenet history file

SYNOPSIS
       prunehistory [-p] [-f filename]

DESCRIPTION
       prunehistory modifies a history(5)-format text file to "remove" a set
       of tokens from it.  The tokens are removed by overwriting them with
       spaces, so that the size and position of any following entries does not
       change.  This has an effect similar to expiring the article, in that it
       is still mentioned in the history database but cannot be retrieved.

       prunehistory reads the standard input.  The input is taken as a set of
       lines.  Blank lines and lines starting with a number sign ("#") are
       ignored.  All other lines should consist of a message-ID followed by
       zero or more other fields (which are ignored).  The message-ID is used
       as the dbz(3) key to get an offset into the text file.  Since innd only
       appends to the text file, prunehistory does not need to have any
       interaction with it.

OPTIONS
       -p  prunehistory will normally complain about lines that do not follow
           the correct format.  If the -p flag is used, then the program will
           silently print any invalid lines on its standard output.  (Blank
           lines and comment lines are also passed through.)

       -f filename
           The default name of the history file is pathdb/history; to specify
           a different name, use the -f flag.

HISTORY
       Written by Rich $alz <rsalz@uunet.uu.net> for InterNetNews.  Converted
       to POD by Julien Elie.

       $Id: prunehistory.pod 9447 2012-12-07 19:01:45Z eagle $

SEE ALSO
       dbz(3), history(5), innd(8).

INN 2.6.4                         2015-09-20                   PRUNEHISTORY(8)

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