//readin.cpp  --- cin.getline --- copyLeft by tsaiwn@csie.nctu.edu.tw
//g++ readin.cpp -Wno-deprecated ;  ./a.out
#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
char FNAME[ ] = "abc.txt";
int main( ) {
   fstream in;     // required <fstream.h>
   static char buf[99];
   double ans, x;
   int n;
   in.open(FNAME, ios::in); // open for read, text file
   if(in.fail( ) ) {
       cerr << " Error open file " << FNAME << endl;
       perror("Error ");
       return 38;
   }
   ans = n = 0;
   in.getline(buf, sizeof(buf) );    // read first record
   while( !in.eof() ) {
       ++n;  x = atof(buf);     // need <stdlib.h>
       ans += x;
       cout << x << " ";
       in.getline(buf, sizeof(buf) );
   }
   cout << "\nTotal "<< n << " items. Sum = ";
   cout << ans << endl;
   return 0;
}