#!/bin/bash

main() {
    local result=""

    case "$1" in

        ### currently unused
        
        * )
            echo "Exiting '${0}' with code '1' because of unknown key '${1}'"
            return 1
            ;;

    esac

    if [[ -n "${result}" ]] ; then

        echo "${result}"
    else
        echo "Exiting '${0}' with code '1' because unable to get version of '$1'"
        return 1
    fi
}

main $@