// filesystem tut4.cpp ---------------------------------------------------------------//

// Copyright Beman Dawes 2009

// Distributed under the Boost Software License, Version 1.0.

// See http://www.boost.org/LICENSE_1_0.txt

// Library home page: http://www.boost.org/libs/filesystem

//[example_tut4

#include <iostream>

#include <vector>

#include <algorithm>

#include <boost/filesystem.hpp>

using namespace boost::filesystem;

int main(int argc, char* argv[])

{

if (argc < 2)

{

std::cout << "Usage: tut4 path" << std::endl;

return 1;

}

path p(argv[1]);

try

{

if (exists(p))

{

if (is_regular_file(p))

{

std::cout << p << " size is " << file_size(p) << std::endl;

}

else if (is_directory(p))

{

std::cout << p << " is a directory containing:" << std::endl;

std::vector<path> v;

for (auto&& x : directory_iterator(p))

v.push_back(x.path());

std::sort(v.begin(), v.end());

for (auto&& x : v)

std::cout << " " << x.filename() << std::endl;

}

else

std::cout << p << " exists, but is not a regular file or directory" << std::endl;

}

else

std::cout << p << " does not exist" << std::endl;

}

catch (filesystem_error& ex)

{

std::cout << ex.what() << std::endl;

}

return 0;

}

//]