function var_echo {
    echo "check_signatures: ${check_signatures}  |  pager: ${pager}"
    echo "prefix: ${prefix}  |  root: ${root}"
    echo
    echo "data: ${data}  |  esp: ${esp}"
    echo "env: ${env}  |  env_mod: ${env_mod}"
    echo "live: ${live}  |  menus: ${menus}"
}

function var_export {
    export \
    data esp \
    env env_mod \
    live menus
}

function var_menu {
    menuentry "check_signatures: ${check_signatures}  |  pager: ${pager}" {
        nop
    }
    menuentry "prefix: ${prefix}  |  root: ${root}" { nop }
    menu_split
    menuentry "data: ${data}  |  esp: ${esp}" { nop }
    menuentry "env: ${env}  |  env_mod: ${env_mod}" { nop }
    menuentry "live: ${live}  |  menus: ${menus}" { nop }
}