// Read data  from an ascii file and create a root file with a Tree.

#include <TApplication.h>
#include <TROOT.h>
#include <TMath.h>
#include <TF1.h>
#include "TGraph.h"
#include <TList.h>
#include <TLine.h>
#include <TFile.h>
#include <TCanvas.h>
#include <TString.h>
#include <THashList.h>
#include <TDirectoryFile.h>
#include <cstdlib>

//___________________________________________________________________________
TFile *ReadData(Int_t print=1) { 
  
   //The input file
   TString filename = "Stickreadout.root";
   TString dir = gSystem->UnixPathName(__FILE__);
   dir.ReplaceAll("ReadData.C","");
   dir.ReplaceAll("/./","/");
 
   TFile *hfile = 0; 
   hfile = TFile::Open(filename,"RECREATE");
   TTree *tree = new TTree(Form("Ttrial%d",0),"Calibration 07/03/18, sensors 1, 2 and 3");

   Long64_t nlines = tree->ReadFile(Form("%stime.dat",dir.Data()),"time/D");


   tree->Write();
   tree->Print(); 
   tree->Show(0);

   delete hfile;

   return 0;
}