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- // 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
- #include <iostream>
- #include <vector>
- #include <algorithm>
- #include <boost/filesystem.hpp>
- using std::cout;
- using namespace boost::filesystem;
- int main(int argc, char* argv[])
- {
- if (argc < 2)
- {
- cout << "Usage: tut4 path\n";
- return 1;
- }
- path p (argv[1]);
- try
- {
- if (exists(p))
- {
- if (is_regular_file(p))
- cout << p << " size is " << file_size(p) << '\n';
- else if (is_directory(p))
- {
- cout << p << " is a directory containing:\n";
- 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)
- cout << " " << x.filename() << '\n';
- }
- else
- cout << p << " exists, but is not a regular file or directory\n";
- }
- else
- cout << p << " does not exist\n";
- }
- catch (const filesystem_error& ex)
- {
- cout << ex.what() << '\n';
- }
- return 0;
- }
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