This is Perl module UNIVERSAL::DOES. INSTALLATION UNIVERSAL::DOES installation is straightforward. If your CPAN shell is set up, you should just be able to do $ cpan UNIVERSAL::DOES Download it, unpack it, then build it as per the usual: $ perl Makefile.PL $ make && make test Then install it: $ make install DOCUMENTATION UNIVERSAL::DOES documentation is available as in POD. So you can do: $ perldoc UNIVERSAL::DOES to read the documentation online with your favorite pager. Goro Fuji (gfx)