bool list::ReadFromDisk(void) {
    ifstream codes("launch-codes");
    while (codes) {
        string s;
        if (!getline(codes, s)) break;
        istringstream ss(s);
        while (ss) {
            Winery* obj = new Winery;
            string s;
            if (!getline(ss, s, ',')) break;
            obj->setName(s.c_str());
            if (!getline(ss, s, ',')) break;
            obj->setLocation(s.c_str());
            if (!getline(ss, s, ',')) break;
            obj->setAcre(atoi(s.c_str()));
            if (!getline(ss, s, ',')) break;
            obj->setRating(atoi(s.c_str()));
            if (!getline(ss, s, ',')) break;
            obj->setYear(atoi(s.c_str()));
            this->insert(*obj);
            delete obj;
        }
    }
    if (!codes.eof()) {
        cerr << "Error!\n";
    }
}