8.2.4.1 Using files - flags

#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <iomanip>

using namespace std;

template <class T>
std::string getStatus(const T & stream, string filename) {
	ostringstream s;
	if (stream.is_open())
	{
		s << "File: " << filename << " was successfully opened!\n";
	}
	else
	{
		s << "Failed to open file: " << filename << endl;
	}
	return s.str();
}
std::string getFlags(const ios & stream) {
	stringstream s;
	s << boolalpha << "G:" << stream.good() << " E:" << stream.eof() << " F:" << stream.fail()
		<< " B:" << stream.bad();
	return s.str();
}
int main() {

	string line;
	ifstream myfile;
	string filename = ("C:/Users/nicky/source/repos/lab8/Debug/text.txt");
	myfile.open(filename);
	cout << "Status: " << getStatus(myfile, filename) << "Flags: " << getFlags(myfile) << endl;
	if (!myfile.is_open()) {
		perror("Error open");
		//exit(EXIT_FAILURE);
	}
	int counter = 0;
	while (getline(myfile, line)) {
		if (counter % 2)cout << line << endl;
		++counter;
	}

	system("pause");
	return 0;
}