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1993-04-25
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NAME:
bidclean - bulletin maintenance
AUTHOR:
Eric Williams WD6CMU, 71336,1424
SYSTEM CONFIGURATION:
OS9/68K, MW C v2.0
SYNTAX:
bidclean
DESCRIPTION:
bidclean is designed to aid in the maintenance of the mailbox system
by removing older versions of periodic bulletins. Examples of periodic
bulletins are satelite and propagation reports. These bulletins often
have serialized BIDs, which bidclean can detect. The program is designed
to be executed on a periodic basis by the cron program.
The file /dd/mailbox/bidclean.lst is a text file which contains one or
more BID prefixes. bidclean will attempt to perform a case-independant
match between these prefixes and the BIDs of bulletins. If it finds
bulletins that match, the values of the integers following the prefix in
the BIDs is evaluated, and these values from matching bulletins are
compared. The bulletin (or bulletins) with the highest value following the
prefix will be retained and the others deleted. An entry in the logfile is
made for each message deleted under the callsign BIDCLN.
Note that some assumptions are made by bidclean: One is that the form
of the BID is a prefix followed by a number. (For example: ARLS060) This
is true for many common periodic bulletins, but some may use a letter
following the number as part of the serial number. In this case, bidclean
will stop evaluation of the serial number at the first non-numeric
character. Another potential difficulty is that many bulletin sources
reset their serial number at the beginning of the year. It might be
advisable, in this case, to disable the execution of bidclean for the first
few days of the year and to manually remove old bulletins until the new
sequence is established.
BUGS:
Currently, there is a maximum capability of 50 prefixes and 50
bulletins with the same prefix.