#include "TH1.h"
   
#include <iostream>

void printHisto(const char* file) {
  // Create a new histogram (see documentation)
  TH1F *h = new TH1F("h","Histogram from file",100,-10,10);

  ifstream is(file);
  double value = -1E30;
  while (is) {
    is >> value;
    h->Fill(value);
  }
  is.close();

  //Change histogram line color and draw it
  h->SetLineColor(1); //Black
  h->SetFillColor(2); //Red
  h->Draw("E");
  h->Draw("SAME");
  
}