#include <exception>
#include <filesystem>
#include <format>
#include <iostream>
#include <string>
#include <regex>
#include <ranges>
#include <vector>
#include <fstream>

namespace fs = std::filesystem;

int main(int argc, char* argv[]) try {
    std::vector<std::string> args(argv + 1, argv + argc);

    const std::regex link_regex{R"(REGEX)"};

    if (args.size() != 1) {
        std::cerr << "only one argument expected\n";
        return 1;
    }
} catch (std::exception& e) {
    std::cerr << e.what() << std::endl;
    return 1;
} catch (...) {
    std::cerr << "unexpected exception" << std::endl;
    return 1;
}