Here various contributed classification PlugIn modules will be made available. The top-level file classifyPlugInTemplate.pm provides a skeleton for writing your own PlugIns. Use the Configuration variable classifyPlugIn to point to your PlugIn, default value: classifyPlugIn = Combine::Check_record It should be formatted as a Perl module identifier and it must reside in the Perl module search path. Possibly use $ export PERL5LIB=/home/MyPath/PluginDirectory to point to the directory where the module is located. To see the Perl module search path use: $ perl -e 'printf "%d %s\n", $i++, $_ for @INC'