Rolf Harold Nelson > SyslogScan > SyslogScan::ByGroup



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SyslogScan::ByGroup -- Organizes a Summary of mail statistics into Groups of related e-mail users


    # $summary is a SyslogScan::Summary object

    # default is to organize by internet host
    my $byGroup = new SyslogScan::ByGroup($summary);
    print $byGroup -> dump();

    # group by whether users use 'jupiter' or 'satellife' as
    # their machine name, and discard users who use neither

    my $pointerToGroupingRoutine = sub {
        my $address = shift;

        return 'jupiter' if $address =~ /$/;
        return 'satellife' if $address =~ /$/;

        # ignore all others
        return undef;

    my $groupByMachine = new SyslogScan::ByGroup($summary,
    print $groupByMachine -> dump();

    # Extract a SyslogScan::Group object
    my $jupiterGroup = $$groupByMachine{jupiter};
    print $jupiterGroup -> dump();

    # Extract a SyslogScan::Summary object
    my $summaryOfJupiter = $jupiterGroup{byAddress};
    print $summaryOfJupiter -> dump();
    # Create a summary by group, rather than a summary by address
    my $summaryByMachine = $groupByMachine -> createSummary();


A SyslogScan::ByGroup object is a hash table of SyslogScan::Group objects, each indexed by the group name as returned by the sorting algorithm fed to 'new'.

A SyslogScan::Group is a hash table with two members: 'byAddress', which is a SyslogScan::Summary of each address which is a member of the Group, and 'groupUsage', which is a SyslogScan::Usage object containing the total usage of the group.


The author (Rolf Harold Nelson) can currently be e-mailed as

This code is Copyright (C) SatelLife, Inc. 1996. All rights reserved. This code is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

In no event shall SatelLife be liable to any party for direct, indirect, special, incidental, or consequential damages arising out of the use of this software and its documentation (including, but not limited to, lost profits) even if the authors have been advised of the possibility of such damage.


SyslogScan::Summary, SyslogScan::Usage

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