int main(int argc, char **argv) { if(argc < 2){ std::cout << "Error: filename not specified" << std::endl; return 0; } std::string filename = argv[1]; std::fstream file(filename.c_str(), std::ios::in | std::ios::binary); if (!file.is_open()) { std::cout << "Unable to open file " << filename << std::endl; return 0; } Costume c; c.readFromFile(file); if (argc == 2) { c.print(); } else { c.printChore(argv[2]); } }