Config::Model::Approx and config-edit-approx provide a configuration model and a configuration editor for /etc/approx/approx.conf. . When the following dependencies are installed, you will get extra functionalities: . * A graphical Approx configuration editor and a graphical configuration wizard with libconfig-model-tkui-perl * A curses Approx configuration editor with libconfig-model-cursesui-perl . When run with '-ui none', Approx configuration editor can also be used as a command line to validate Approx configuration or to upgrade an older configuration without user interaction.