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

int getFileSize(const string &fileName);  //Task 1

void outputFile1(const string &fileName); //Task 2

void outputFile2(const string &fileName);

int main()
{
    char exit = '\0';    // To exit program
    string fileName = "letters.txt";

    cout << "Task 1" << endl;
    cout << "There are " << getFileSize(fileName) << " byte(s) in the file " << fileName << endl;

    cout << endl << "Task 2" << endl;

    outputFile1(fileName);

    cout << "Task 3" << endl;

    outputFile2(fileName);

    cin >> exit;
    while (exit != '\0')
        return 0;
}

int getFileSize(const string & fileName)
{
    fstream file(fileName, ios::in);
    int size = 0;   //To store size

    file.seekg(0, ios::end);
    size = file.tellg();
    file.close();
    return size;
}

void outputFile1(const string &fileName)
{
    char ch;
    string outName = "output1.txt";  //To name output file

    fstream inFile(fileName, ios::in);
    ofstream outFile(outName);

    cout << "Content of output1.txt: ";

    while (!inFile.eof())
    {
        inFile.get(ch);
        if (inFile.eof())
            break;
        cout << ch;
        outFile.put(ch);
    }

    inFile.close();

    cout << endl;
    return;
}

void outputFile2(const string & fileName)
{
    char ch;
    string outName = "output2.txt";  //To name output file

    fstream inFile(fileName, ios::in);
    ofstream outFile(outName);

    cout << "Content of output2.txt: ";

    while (!inFile.eof())
    {
        int i = 0;
        inFile.seekg(1, ios::beg);
        inFile.get(ch);
        if (inFile.eof())
            break;
        cout << ch;
        outFile.put(ch);
        i++;
    }

    cout << endl;
    return;
}