This allows you to 'use' installed modules which satisfy a test condition. New modules can be written later and yet be available to the code containing this snippet without modifying the base code.
 use ExtUtils::Installed;

 my $test = sub { grep /^Publication::/, @_ ; } ;

 my $inst = new ExtUtils::Installed;
 eval "use $_;" foreach (&$test($inst->modules()));

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In reply to Creating 'use' list on the fly (plugins) by idsfa

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