Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 1e2fc7b2b8.

libs/filesystem/example/tut2.cpp

//  filesystem tut2.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 <boost/filesystem.hpp>

using namespace std;
using namespace boost::filesystem;

int main(int argc, char* argv[])
{
    if (argc < 2)
    {
        cout << "Usage: tut2 path\n";
        return 1;
    }

    path p(argv[1]); // avoid repeated path construction below

    if (exists(p)) // does path p actually exist?
    {
        if (is_regular_file(p)) // is path p a regular file?
            cout << p << " size is " << file_size(p) << '\n';
        else if (is_directory(p)) // is path p a directory?
            cout << p << " is a directory\n";
        else
            cout << p << " exists, but is not a regular file or directory\n";
    }
    else
        cout << p << " does not exist\n";

    return 0;
}