/*Demonstrate how read and write work*/
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <strstream>

using namespace std;

int main(int argc, char* argv[])
{
        fstream fs;
        fs . open ("11seek.cpp", ios::in | ios::out );

        if(fs){
                string word;

                fs . seekg (0, ios::beg);
                cout  << " @ " <<fs.tellg()<<endl;
                fs >> word;
                cout  << word << endl;
                cout  << " @ " <<fs.tellg()<<endl;

                fs . seekg(0,ios::beg);
                cout  << " @ " <<fs.tellg()<<endl;
                fs >> word;
                cout  << word << endl;
                cout  << " @ " <<fs.tellg()<<endl;

		int cn;//character number
		cout << "Which character next? ";  
		while(cin  >>cn)
		{
			fs . seekg(cn,ios::beg);
			cout  << " @ " <<fs.tellg()<<endl;
			fs >> word;
			cout  << word << endl;
			cout  << " @ " <<fs.tellg()<<endl;
			cout << "Which character next? ";  
		}// while more

                fs . close();
        }
        else // didn't open file
        {       cerr << "File not opened!\n";
		return 0;
        }
}