Check out example codes for "c++ lettura file". It will help you in understanding the concepts better.

Code Example 1

#include <fstream.h>

void main() 
{
  ifstream OpenFile("cpp-input.txt");
  char ch;
  while(!OpenFile.eof())
  {
    OpenFile.get(ch);
    cout << ch;
  }
  OpenFile.close();
}

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