#include <cstdlib>
#include <iostream>
#include <fstream>
#include <string>

using namespace std;
const int MAX_LENGTH=20;
const int MAX_SIZE=100;
void FileOpen (ifstream &);
bool ReadName(string &, ifstream &);
void PrintNames(const string [], int); 
void Update(string [], int); 
int main(int argc, char *argv[])
{
    int size=0;
    string names [MAX_SIZE];
    string temp;
    ifstream Infile;
    
    FileOpen(Infile);
    while (ReadName(temp, Infile))
    {
          names[size]= temp;
          size++;
    }
    
    Update (names, size);   
    cout << "Data updated\n";
    PrintNames (names, size);
    
    Infile.close();    
    return 0;
}
void FileOpen (ifstream &Infile)
{
     Infile.open ("lab3.input.txt");
     if (Infile.fail())
     {
        cout << "File doesn't exist\n";
        exit(1);
     }
}

bool ReadName(string &temp, ifstream &Infile)
{
     int size=0;
     bool moredata=true;
    
     if (Infile.eof())
        moredata=false;
     else 
         getline(Infile, temp);
     return moredata;
}

void PrintNames(const string names[], int size)
{
     for (int i=0; i< size; i++)
        cout << names[i] << endl;
}

void Update(string names[], int size)
{
     int i, loc;
     char dig1 ='0', dig2='0';
     char FirstInitial=' ';
     string LastName="abc";
     string newstring="";
   
     for (i=0; i < size-1; i++)
     {
	//find method to find the space
        //set FirstInitial to the next location
	//use substr to get the three letters from last name
	//use string addition to put them together into newstring
  	//Create digits by adding one to dig1 
	// If dig1 is a 9, then reset to a 0 and increment dig2 

         names[i]=newstring;
         newstring="";
     }
}