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snprimedb,v0.3.8(8)	    System Manager's Manual	   snprimedb,v0.3.8(8)

       snprimedb - feed	the sn database.

       snprimedb [-i] (no arguments)

       snprimedb  reads	 records  from its standard input and enters them into
       the database.  The database is appended to; if you want to start	a  new
       database,  you  would  delete the database files	.chain,	.table,	.news-
       group before running this program.

       The main	purpose	of snprimedb is	to rebuild the ID database.  Then  its
       input is	usually	obtained from snscan.

       If the option -i	is given, simply initialize the	database files if they
       do not exist, and exit.

       Input lines are of the format
       newsgroup id serial where newsgroup is the newsgroup the	article	may be
       found  in,  id is its message id, and serial is the local serial	number
       of that article in that newsgroup.  If newsgroup	is  the	 special  name
       =junk, then the whole line is ignored.

       You will	need to	be root	or the owner of	/var/spool/news	to do this.

       snprimedb  does	not check to see that the articles really exist.  Also
       the size	of the hash table is fixed at compile time.

       Under degenerate	conditions, the	hash table  file  .chain  (see	below)
       could  grow very	large, with reclaimed space remaining unused.  This is
       due to the very simple file space allocator, which doesn't know how  to
       coalesce	 adjacent  free	 areas.	 It doesn't know how to	split them ei-
       ther.  The allocator assumes that the  shape  of	 the  distribution  of
       record lengths remains quite constant over time.

       The  hash  table	 database doesn't make any attempt to reduce its foot-
       print.  This should be acceptable, since	the database is	shared.

       SNROOT If this is set and is not	empty, the value is used in  place  of
	      /var/spool/news, the default news	spool directory.

	      snprimedb	uses this file as the index of the hash	table, and ...

	      as the hash chains, and ...

	      to  attach  an  integer identifier to each newsgroup name.  This
	      file is a	human-readable flat text file.

N.B.				  Harold Tay		   snprimedb,v0.3.8(8)


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