/* File: input8.cpp

   Testing file I/O using >> with strings.

*/

#include <iostream>
#include <string>
#include <stdlib.h>
#include <fstream>
#include <sstream>   // so you can use istringstream

using namespace std ;

int main() {
   string oneLine ;
   string str1, str2, str3, str4, str5, str6, str7, str8, str9 ;
   string str10, str11 ;
   long int population ;
   float litRate ;

   ifstream ifile("2013WorldBankEducationCensusData.txt") ; 
   getline(ifile, oneLine) ;

   while(true) {
      getline(ifile, oneLine) ;  // read entire line

      // cout << oneLine << endl ;
      

      // if ( ifile.eof() ) break ;
      if ( ifile.fail() ) break ;   // works if last line does not have \n

      // Convert string to stringstream
      // new one each loop!
      //
      istringstream istrm(oneLine) ;   

      istrm >> str1 ;    // read from istrm
      istrm >> str2 ;
      istrm >> str3 ;
      istrm >> str4 ;
      istrm >> str5 ;
      istrm >> str6 ;
      istrm >> str7 ;
      istrm >> str8 ;
      istrm >> str9 ;
      istrm >> str10 ;   // extra read attempts OK
      istrm >> str11 ;


      cout << "country = '" << str1 << "'   " ;
      population = atol(str2.c_str()) ;
      cout << "population = " << population << "   " ;

      if ( str3 == "N/A" ) {
         litRate = -1.0 ;
      } else {
         litRate = atof(str3.c_str()) ;
      }

      cout << "literacy rate = " << litRate << endl ;
      

   /*   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() ;
}