#ifndef __CINT__
main() 
#endif
{
#include <fstream.h>

  TFile* file = new TFile("bar.root","RECREATE");
  if (!file) 
    {
      cerr << "bad" << endl;
      return;
    }
  
  TNtuple *ntuple = 
    new TNtuple("n","A Ntuple",
		"x1:x2:x3:x4:x5:x6:x7:x8:x9:x10:x11:x12:x13:x14:x15");

  
  ifstream in("foo.dat",ios::in);
  if(!in) {
    cerr << "bad" << endl;
    return;
  }
  
  
  Float_t* x = new Float_t[15];
  Int_t i;
  while(kTRUE) {
    for (i = 0; i < 15; i++) 
      in >> x[i];
      
    if (in.eof()) 
      break;
    
    if (in.fail()) {
      cerr << "Bad" << endl;
      return;
    }
    
    ntuple.Fill(x);
  }
  delete x;

  in.close();
  file->Write();
  file->Close();
}