1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// 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 (filesystem_error& ex)
{
cout << ex.what() << '\n';
}
return 0;
}
|
