/* File: input6.cpp

   Testing file I/O using >> with strings.

*/

#include <iostream>
#include <string>
#include <stdlib.h>
#include <fstream>

using namespace std ;

int main() {
   string firstLine ;
   string str1, str2, str3, str4, str5, str6, str7, str8, str9 ;
   long int population ;
   
   ifstream ifile("2013WorldBankEducationCensusData.txt") ; 
   getline(ifile, firstLine) ;

   while(true) {
      ifile >> str1 ;
      ifile >> str2 ;
      ifile >> str3 ;
      ifile >> str4 ;
      ifile >> str5 ;
      ifile >> str6 ;
      ifile >> str7 ;
      ifile >> str8 ;
      ifile >> str9 ;

      if ( ifile.eof() ) break ;

      cout << "country = '" << str1 << "'   " ;

      // use atol() to convert to long
      population = atol(str2.c_str()) ;   

      cout << "population = " << population << endl ;

      // use == for string comparison
      if ( str3 == "N/A" ) cout << "   str3 has no value\n" ;  

   /*   cout << "str2 = '" << str2 << "'\n" ;
      cout << "str3 = '" << str3 << "'\n" ;
      cout << "str4 = '" << str4 << "'\n" ;
      cout << "str5 = '" << str5 << "'\n" ;
      cout << "str6 = '" << str6 << "'\n" ;
      cout << "str7 = '" << str7 << "'\n" ;
      cout << "str8 = '" << str8 << "'\n" ;
      cout << "str9 = '" << str9 << "'\n" ;
   */
   }
   ifile.close() ;
}