text: #include <iostream>
  
  #include <boost/filesystem.hpp>
  
  using namespace std;
  using namespace boost::filesystem;
  
  const char *say_what(bool b) { return b ? "true" : "false"; }
  
  int main(int argc, char* argv[])
  {
      if(argc < 2){
          cout << "Usage: path_info path-element [path-element...]\n"
                  "Composes a path via operator/= from one or more path-element arguments\n"
                  "Example: path_info foo/bar baz\n"
  #ifdef BOOST_POSIX_API
      "would report info about the composed path foo/bar/baz\n";
  #else // BOOST_WINDOWS_API
      "would report info about the composed path foo/bar\\baz\n";
  #endif
          return 1;
      }
  
      path p;
      for(; argc > 1; --argc, ++argv)
          p /= argv[1]; // compose path p from the command line arguments
      cout << "\ncomposed path:\n";
      cout << " operator<<()--------: " << p << "\n";
      cout << " make_preferred()----: " << p.make_preferred() << "\n";
      cout << "\nelements:\n";
      for(auto element : p)
          cout << " " << element << '\n';
      cout << "\nobservers, native format:" << endl;
  #ifdef BOOST_POSIX_API
      cout << " native()------------: " << p.native() << endl;
      cout << " c_str()-------------: " << p.c_str() << endl;
  #else // BOOST_WINDOWS_API
    wcout << L"  native()-------------: " << p.native() << endl;
    wcout << L"  c_str()--------------: " << p.c_str() << endl;
  #endif
    cout << "  string()-------------: " << p.string() << endl;
    wcout << L"  wstring()------------: " << p.wstring() << endl;
  
    cout << "\nobservers, generic format:\n";
    cout << "  generic_string()-----: " << p.generic_string() << endl;
    wcout << L"  generic_wstring()----: " << p.generic_wstring() << endl;
  
    cout << "\ndecomposition:\n";
    cout << "  root_name()----------: " << p.root_name() << '\n';
    cout << "  root_directory()-----: " << p.root_directory() << '\n';
    cout << "  root_path()----------: " << p.root_path() << '\n';
    cout << "  relative_path()------: " << p.relative_path() << '\n';
    cout << "  parent_path()--------: " << p.parent_path() << '\n';
    cout << "  filename()-----------: " << p.filename() << '\n';
    cout << "  stem()---------------: " << p.stem() << '\n';
    cout << "  extension()----------: " << p.extension() << '\n';
  
    cout << "\nquery:\n";
    cout << "  empty()--------------: " << say_what(p.empty()) << '\n';
    cout << "  is_absolute()--------: " << say_what(p.is_absolute()) << '\n';
    cout << "  has_root_name()------: " << say_what(p.has_root_name()) << '\n';
    cout << "  has_root_directory()-: " << say_what(p.has_root_directory()) << '\n';
    cout << "  has_root_path()------: " << say_what(p.has_root_path()) << '\n';
    cout << "  has_relative_path()--: " << say_what(p.has_relative_path()) << '\n';
    cout << "  has_parent_path()----: " << say_what(p.has_parent_path()) << '\n';
    cout << "  has_filename()-------: " << say_what(p.has_filename()) << '\n';
    cout << "  has_stem()-----------: " << say_what(p.has_stem()) << '\n';
    cout << "  has_extension()------: " << say_what(p.has_extension()) << '\n';
  
    return 0;
  }
  
  
  
  