This program - usually run by crontab from local/zapfiplog - looks at the file
tables/sys/MAINT and removes old archive files from log/data (remember these
have the name of (JulianDate_WireServiceName).

It then trims the item log file log/ALL. The complete previous days log is in
ALL.1, day-2 is in ALL.2 etc to ALL.5.
The default is to zap any ALL files after ALL.5 but this can be changed with
the '-d' input parameter.

Lastly (and optionally) it can be used to save various types of messages
according to a search string you provide.

Run the program additional times for the SYN and other item logs.

Syntax of the MAINT parameter file :

    ; comment

The first non-commented line should be the time to zap the item log :
    00:00 -1
or  00:50
Note :
    1. The time MUST be in the same format as all times in
        the item log file itself : 00:10 etc
    2. If you want to strip to a time on a previous day then
        add -n after the time where n is the no of days.

Processing for the other sections depends on whether the line start
with a '/' indictating it is an archive zap. Any other none space
chr is considered a item log selection.

The format of the archive zaps is :
    /queue/SU   no-of-days  ; optional comment
where   SU is the name of the archive : ie PA as in 253_PA
    queue is either : 'entry', 'exit' or 'xchg'
    no-of-days is the number of COMPLETE days to leave.

eg: /data/PA    2   ; comment - ie leave 2 complete days of PA
    /data/EXTEL 7   ; leave 7 complete days of EXTEL in xchg
Note that ALL log files should be entered - if it is NOT in this file, it will
not be deleted !

The format for selection of item log lines is :
        string  filename    ;comment
    ie: prog    filename    ;comment
    or  !type   filename    ;comment
where filename is a unix file to append all these records .
    ipbox   /usr/edito/STRINGER_MONTH   ; monthly save
    telex   /usr/acct/TELEX_LOG     ; telex log
    !x  /fip/log/FAILURE_LIST

    default-no-days: 22
        If an archive file in log/data exists and there is NO /queue/SU entry,
        this can be used to zap olds ones.
        There is no default - ie files are just left in log/data
    default-all-logs: 10
        No of days to leave the item logs - ALL, ALL.1 etc
        default is 5

Input parameters are :
    -l : Item Log file              default: log/ALL
    -m : maintenance parameter file         default: sys/MAINT
    -d : no of days to leave for the ALL file   default: 5
        (overridden by the default-all-logs keyword)
    -D : WINNT drive letter         default: main drive
        Use this if Fip is actually running on a drive which is
        NOT the main boot disk.
    -v : print version no and exit

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