Finds a word in a text document and replaces it.

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

using namespace std;

int find(string& storeText, ifstream& fileIn);
bool updateHistory(bool& r);

int main()
{
    string fileName;
    string storeText;
    bool r = false;

    cout << "What file do you want to open?" << endl;
    cout << "The file you want to open must be typed in EXACTLY as it" << endl;
    cout << "appears on your computer; for example: document.txt" << endl;
    cout << "Enter file name: ";

    getline(cin, fileName);

    if(fileName == "updatehistory")
    {
        updateHistory(r);
    }
    if(r == true)
    {
        cout << "Enter file name: ";
        getline(cin, fileName);
    }

    ifstream fileIn;
    fileIn.open(fileName.c_str());

    cout << "\n";

    if(fileIn.fail())
    {
        cout << "Failed to open" << endl;
        fileIn.close();
    }

    stringstream ss(stringstream::app | stringstream::out);

    while(getline(fileIn, storeText))
    {
        ss << storeText << endl;
    }
    cin.ignore();
    storeText = ss.str();

    find(storeText, fileIn);

    fileIn.close();
}

int find(string& storeText, ifstream& fileIn)
{
    size_t found;
    string str2;
    string str3;
    found = storeText.find(str2);

    cout << storeText << endl;

    if(found == string::npos)
    {
        cout << "Error" << endl;
        return 0;
    }

    cout << "Which word you want to find from the document?: ";
    getline(cin,str2);

    cout << "Enter a word that will replace it: ";
    getline(cin,str3);

    cout << "After replacing with the given word: \n" << endl;
    storeText.replace(storeText.find(str2), str2.length(), str3);

    cout << storeText << endl;
    cin.ignore();
}

bool updateHistory(bool& r)
{
    cout << "VERSION INFORMATION\n" << endl;

    cout << "Version: 1.0.0 Alpha" << endl;
    cout << "Recently added features" << endl;
    cout << "1. Added find and replace function" << endl;
    cout << "   However it currently only can do 1 tem at a time" << endl;

    cin.get();
    return r = true;
}