/* Directory listing of current directory on Sololearn using C++17 filesystem library */ #include #include #include #include #include using namespace std; namespace fs = std::filesystem; namespace { // get the list of all files in the // directory specified by dirPath auto getFilesInDir(string const& dirPath) { // stores list of files vector filesList; using rdi = fs::recursive_directory_iterator; int cnt{0}; // limiting the number of entries to // 3000 if end is not reached for(auto start{rdi{dirPath}}; cnt < 3000 && start != rdi{}; ++start, ++cnt) { filesList.emplace_back(start-> path().string()); } return filesList ; } // end getFilesInDir() } // end namespace int main() { try { // get the current working dir string dirPath = fs::current_path(); cout << "Current Directory is " << dirPath << '\n'; // get the file list now auto filesList = getFilesInDir(dirPath); cout << "Dir listing of Dir " << dirPath << '\n'; int cnt{0}; for(auto&& entry : filesList){ cout << ++cnt << " " << entry << '\n'; } string msg{"\nDirectory Listing Complete\n"}; cout << msg << string(msg.size()-2,'*') << '\n'; } catch(system_error const& e){ cerr << "Command execution error : "s + e.what(); } return 0; }

Cpp_filesystem_dir_listing.cpp