gistfile1.txt

#include <filesystem>
#include <iostream>

namespace fs = std::filesystem;
using namespace std;

int main() {
  fs::path aPath{"./path/to/file.txt"};

  cout << "Parent path: " << aPath.parent_path() << endl;
  cout << "Filename: " << aPath.filename() << endl;
  cout << "Extension: " << aPath.extension() << endl;

  return 0;
}