files.cpp

C++&datastructure书籍源码,以前外教提供现在与大家共享

#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
#include "directory.h"
#include "prompt.h"

// illustrates use of the DirStream and DirEntry classes

int main()
{
    DirStream dir;                // directory information
    DirEntry entry;               // one entry from a directory
    int num = 0;                  // each file is numbered in output
    
	string name = PromptString("enter name of directory: ");
    dir.open(name);

    if (dir.fail())
    {   cerr << "could not open directory " << name << endl;
        exit(1);
    }
    for(dir.Init(); dir.HasMore(); dir.Next())
    {   entry = dir.Current();
        num++;
        cout << "(" << setw(3) << num << ") " << setw(12) << entry.Name() << "\t";
        if (! entry.IsDir() )
        {   cout << entry.Size();
        }
        cout << endl;
    }
    return 0;
}