a bash function enabling "cd -f" to create non-pre-existent directories

mkcd.sh

function mkcd {
        local CD_ARGS DIR MKDIR=0
        while (($#)); do
                if [[ $1 == "-f" ]]; then
                        MKDIR=1;
                else
                        CD_ARGS+=("$1")
                        if [[ "$1" == "${1##-}" ]]; then
                                DIR+=("$1")
                        fi
                fi
                shift
        done

        if [[ ${#DIR[@]} -gt 1 ]]; then
                echo "too many dir-like args"
                return 1
        fi

        if [[ $MKDIR == 1 ]]; then
                mkdir -v -p "$DIR" && command cd "${CD_ARGS[@]}"
        else
                command cd "${CD_ARGS[@]}"
        fi
}
# optional:
#alias cd=mkcd