C++:
ตรวจสอบว่ามีไดเร็กทอรีหรือไม่

#include <iostream>
#include <filesystem>

namespace fs = std::filesystem;

int main() {
    const fs::path dirPath = "/path/to/directory";

    if (fs::exists(dirPath) && fs::is_directory(dirPath)) {
        std::cout << "The directory exists." << std::endl;
    } else {
        std::cout << "The directory does not exist." << std::endl;
    }

    return 0;
}

#include <iostream>
#include <boost/filesystem.hpp>

namespace fs = boost::filesystem;

int main() {
    const fs::path dirPath = "/path/to/directory";

    if (fs::exists(dirPath) && fs::is_directory(dirPath)) {
        std::cout << "The directory exists." << std::endl;
    } else {
        std::cout << "The directory does not exist." << std::endl;
    }

    return 0;
}