Hook-Beispiel: zogftw_import_got_no_labels_to_attach_hook() (1/3)

zogftw_import_got_no_labels_to_attach_hook() {
    local sleep_time=1

    echo -n "$(zogftw_get_fyi_prefix)Waiting for a label to appear "
    while [ -z "${labels_to_attach}" ]; do
        sleep "${sleep_time}"
        labels_to_attach="$(zogftw_get_unattached_labels)"
        echo -n .
    done
    echo
}