void concordance_class :: SavePrint () {
fstream inf1;
inf1.open( "conc.txt", ios::out | ios::trunc);
inf1.seekp(  0 , ios::beg );

  if ( start ==  0  )
    inf1<<"Concordance is empty";
  else {
    inf1<<"[Word] [Amount] [Number of lines]"<<endl<<endl;
    save_print_rec (start);
  }
}

void concordance_class :: save_print_rec (element_struct * element) {
  if ( element ==  0  )
    return;

  save_print_rec (element->left);
  SaveElement (element);
  save_print_rec (element->right);
}

void concordance_class :: SaveElement (element_struct * element) {
  int i;
  fstream inf1;
  inf1.open("conc.txt", ios::out | ios::trunc);
  inf1<<element->word.word<<" "<<element->word.amount;
  for (i= 0 ; i<element->word.amount;i++ )
  {
  if (i== 0 )
    inf1<<" "<<element->word.line[i];
    else
    if (i> 0 )
    inf1<<","<<element->word.line[i];
    }
    inf1<<endl;
    }