/*
 * files.cpp
 *
 *  Created on: 10.10.2013
 *      Author: trifon
 */

#include <iostream>
#include <fstream>
using namespace std;

void testofiles() {
	ofstream test("test.txt", ios::app);
	test << "Hello, this is a text file!\n";
	test << 1.2 << ' ' << 10 << endl;
	test.close();

	int a[] = { 1, 2, 3, 5, 8, 13 };
	ofstream testbin("test.dat", ios::out | ios::binary);
	testbin.write((const char*)a, 6 * sizeof(int));
	testbin.close();
}

void testifiles() {
	ifstream test("test.txt");
	char line[100];
	test.getline(line, 100);
	cout << "Read line: " << line << endl;
	double d;
	int i;
	test >> d >> i;
	cout << "d = " << d << endl;
	cout << "i = " << i << endl;
	test.close();

	ifstream testbin("test.dat", ios::in | ios::binary);
	int a[6] = {0};
	// !!! testbin.seekg(2);
	testbin.seekg(sizeof(int));
	testbin.read((char*)a, sizeof(int) * 2);
	testbin.seekg(sizeof(int), ios::cur);
	testbin.read((char*)(a+2), sizeof(int) * 2);
	testbin.seekg(sizeof(int) * -2, ios::end);
	testbin.read((char*)a, sizeof(int) * 2);
	for(i = 0; i < 6; i++)
		cout << a[i] << ' ';
	cout << endl;
	testbin.close();

}

void testiofile() {
	fstream f("essay.txt", ios::in | ios::out);
	char line[100];
	//f.getline(line, 100);
	//cout << "Read line: " << line << endl;
	f << "IGNORE THIS TEXT!\n";
	f.close();
}

int main() {
	testofiles();
	testifiles();
	testiofile();
}