57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// filesystem tut3.cpp ---------------------------------------------------------------//
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// Copyright Beman Dawes 2009
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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// Library home page: http://www.boost.org/libs/filesystem
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#include <iostream>
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#include <iterator>
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#include <algorithm>
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#include <boost/filesystem.hpp>
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using namespace std;
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using namespace boost::filesystem;
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int main(int argc, char* argv[])
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{
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if (argc < 2)
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{
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cout << "Usage: tut3 path\n";
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return 1;
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}
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path p (argv[1]); // p reads clearer than argv[1] in the following code
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try
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{
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if (exists(p)) // does p actually exist?
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{
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if (is_regular_file(p)) // is p a regular file?
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cout << p << " size is " << file_size(p) << '\n';
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else if (is_directory(p)) // is p a directory?
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{
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cout << p << " is a directory containing:\n";
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copy(directory_iterator(p), directory_iterator(), // directory_iterator::value_type
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ostream_iterator<directory_entry>(cout, "\n")); // is directory_entry, which is
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// converted to a path by the
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// path stream inserter
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}
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else
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cout << p << " exists, but is neither a regular file nor a directory\n";
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}
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else
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cout << p << " does not exist\n";
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}
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catch (const filesystem_error& ex)
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{
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cout << ex.what() << '\n';
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}
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return 0;
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}
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