"-group" )
            shift
            get_listargs "$@"
            unset x
            for f in  ${!ARGS_ARRAY[@]}; do
                grp[f]="${ARGS_ARRAY[f]}"
            done
            groupkey=( ${groupkey[@]} ${grp[0]} )
            grp[0]=""
            grp=( ${grp[@]} )
            for g in ${!grp[@]}; do
                group[g]="$(abspath "${grp[g]}")"
            done
            GROUPS=( "${GROUPS[@]}" "${group[@]}" )
            echo "GROUPS are ${GROUPS[@]}"
            unset grp group
            GROUPING=:
            ;;