#include <iostream>
#include <fstream>
#include <string>

int main(int argc, char** argv)
{
  {
    // close file when printer goes out of scope
    std::ofstream printer("test.txt", std::ios_base::out|std::ios_base::trunc);

    if (!printer.is_open())
    {
      std::cerr << "Error opening file for writing\n";
      exit(2);
    }

    printer << " 123 456 789 \n";
    printer << "987  865 \t  432\n";
    printer << "garbage\n";
  }

  std::ifstream reader("test.txt", std::ios_base::in);

  if (!reader.is_open())
  {
    std::cerr << "Error opening file for reading\n";
    exit(3);
  }

  std::string raw_text;

  while( std::getline(reader, raw_text)) 
  {
    std::cout << "READ: " << raw_text << std::endl;
  }

  return 0;
}