ceph/src/boost/libs/filesystem/example/tut3.cpp

   1 //  filesystem tut3.cpp  ---------------------------------------------------------------//
   2
   3 //  Copyright Beman Dawes 2009
   4
   5 //  Distributed under the Boost Software License, Version 1.0.
   6 //  See http://www.boost.org/LICENSE_1_0.txt
   7
   8 //  Library home page: http://www.boost.org/libs/filesystem
   9
  10 #include <iostream>
  11 #include <boost/filesystem.hpp>
  12 using std::cout;
  13 using namespace boost::filesystem;
  14
  15 int main(int argc, char* argv[])
  16 {
  17   if (argc < 2)
  18   {
  19     cout << "Usage: tut3 path\n";
  20     return 1;
  21   }
  22
  23   path p (argv[1]);
  24
  25   try
  26   {
  27     if (exists(p))
  28     {
  29       if (is_regular_file(p))
  30         cout << p << " size is " << file_size(p) << '\n';
  31
  32       else if (is_directory(p))
  33       {
  34         cout << p << " is a directory containing:\n";
  35
  36         for (const directory_entry& x : directory_iterator(p))
  37           cout << "    " << x.path() << '\n';
  38       }
  39       else
  40         cout << p << " exists, but is not a regular file or directory\n";
  41     }
  42     else
  43       cout << p << " does not exist\n";
  44   }
  45
  46   catch (const filesystem_error& ex)
  47   {
  48     cout << ex.what() << '\n';
  49   }
  50
  51   return 0;
  52 }