文件路径
Filesystem Tutorial https://www.boost.org/doc/libs/1_78_0/libs/filesystem/doc/tutorial.html
#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;
}
