user1 pass1 55

user2 pass2 56

user3 pass3 57

user1 pass1 55

user2 pass2 44

user3 pass3 57

#include <iostream>
#include <fstream>

using namespace std;
//function prototypes
void addUser();
int main();

//global variables
    string username;
    string password;
    int balance;
void addUser(){
    //open a file in write mode
        ofstream myfile;
        myfile.open("userinfo.txt", ios::app);//append the text file
        if(myfile.is_open()){
        cout<<"Please Create a Username: ";
        string inputCheck;//a string to compare name
        cin>>inputCheck;
        cout<<"Please Create a Password: ";
        cin>>password;
        cout<<"Current Balance: ";
        cin>>balance;
        myfile<<inputCheck<<' '<<password<<' '<<balance<<"n";
        myfile.close();
        cout<<"User account '"<<inputCheck<<"' has been created"<<endl;
        }//ends create a password else
        //ends if userCheck is open
    main();
}
int main()
{
    cout<<"1.Add Usern2.Edit Information"<<endl;
    int input;
    cin>>input;
    if(input == 1){
        addUser();
    }else if(input == 2){
    //find the user
    cout<<"Enter the username: ";
    string checkUser;
    //string checkUser;
    cin>>checkUser;
    ifstream user;
    user.open("userinfo.txt");//open the file to be read in
    if(user.is_open()){//find the user
    bool foundUser = false;
    while(user>>username>>password>>balance){
        if(checkUser==username){
        foundUser = true;
        cout<<"User: "<<checkUser<<" Pass: "<<password<<" has been logged in"<<endl;
        break;
        }
    }
    if(foundUser){
    //while(infile>>username>>password>>balance);
    cout<<"Current Balance: "<<balance<<endl;
    cout<<"Enter new balance: ";
    cin>>balance;
    ifstream editBalance;//read from file to find user;
    //Here is where I am lost
    //get the new balance from the user
    //re-write the entire text file with the updated user balance
    //close the file
    }
    }
    }
}