dlib C++ Library - dir_nav_ex.cpp

// 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);
 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
 std::vector<directory> dirs = test.get_dirs();
 std::vector<file> files = test.get_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;
 }
}