#include <string>
#include <fstream>
#include <iostream>
#include <cstdio>

#define NOFCHANNELS 5

int fly(const char *fname = "trial_3.txt")
{
  int npoints = 0;
  float entries[(NOFCHANNELS)];
  std::string line;
  
  std::ifstream ifs(fname);
  
  while(1) {
    getline(ifs, line);
    if ( ! ifs.good() ) break;
    
#if 0 /* 0 or 1 */
    std:: cout << "line = " << line << std::endl;
#endif /* 0 or 1 */
    
    for(int i = 0; i < (NOFCHANNELS); i++) entries[i] = 0.0;
    
    sscanf(line.c_str(),
	   "%f %f %f %f %f",
	   &entries[0], &entries[1], &entries[2], &entries[3], &entries[4]);
    
#if 0 /* 0 or 1 */
    std:: cout << "entries[] = ";
    for(int i = 0; i < (NOFCHANNELS); i++) std:: cout << entries[i] << "  ";
    std:: cout << std::endl;
#endif /* 0 or 1 */
    
    npoints++;
  }
  
#if 0 /* 0 or 1 */
  std::cout << "npoints = " << npoints << std::endl;
#endif /* 0 or 1 */
  
  return npoints;
}