A ZConf backed method of choosing a backend for a Perl module that
has multiple backends.

zcgui-get  	Gets the current preferred backends for a module.
zcgui-gux 	Gets the value for useX.
zcgui-la 	Lists available GUI backends for a ZConf::GUI compliant module.
zcgui-lm 	Lists the modules that currently have preferences set.
zcgui-set 	Set the preferred backends for a module.
zcgui-sux 	Set the useX value for a module.
zcgui-which 	Prints a list of the available preferred modules for a module.

WWW: http://search.cpan.org/dist/ZConf-GUI/