dlib/examples/dir_nav_ex.cpp

78 lines
2.0 KiB
C++

// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt
/*
This is an example illustrating the use of the dir_nav component from the dlib C++ Library.
It prints a listing of all directories and files in the users
current working directory or the directory specified on the command line.
*/
#include <iostream>
#include <iomanip>
#include "dlib/dir_nav.h"
#include <vector>
#include <algorithm>
using namespace std;
using namespace dlib;
int main(int argc, char** argv)
{
try
{
string loc;
if (argc == 2)
loc = argv[1];
else
loc = "."; // if no argument is given then use the current working dir.
directory test(loc);
std::vector<directory> dirs;
std::vector<file> files;
cout << "directory: " << test.name() << endl;
cout << "full path: " << test.full_name() << endl;
cout << "is root: " << ((test.is_root())?"yes":"no") << endl;
// get all directories and files in test
test.get_dirs(dirs);
test.get_files(files);
// sort the files and directories
sort(files.begin(), files.end());
sort(dirs.begin(), dirs.end());
cout << "\n\n\n";
// print all the subdirectories
for (unsigned long i = 0; i < dirs.size(); ++i)
cout << " <DIR> " << dirs[i].name() << "\n";
// print all the subfiles
for (unsigned long i = 0; i < files.size(); ++i)
cout << setw(13) << files[i].size() << " " << files[i].name() << "\n";
cout << "\n\nnumber of dirs: " << dirs.size() << endl;
cout << "number of files: " << files.size() << endl;
}
catch (file::file_not_found& e)
{
cout << "file not found or accessible: " << e.info << endl;
}
catch (directory::dir_not_found& e)
{
cout << "dir not found or accessible: " << e.info << endl;
}
catch (directory::listing_error& e)
{
cout << "listing error: " << e.info << endl;
}
}