// Task: This program finds and email address from incoming forlder called mail.dat and uploads it to a file called addresses.dat.
//
//

#include <iostream>                         // including the iostream
#include <string>
#include <iomanip>
#include <fstream>                          // including the fstream for files

using namespace std;

int main ()

{
    ifstream emails;                        // declaring this as emails file stream
    ofstream addresses;                     // Declaring the output for addresses

    emails.open("mail.dat");                //opening the file stream mail.dat
    addresses.open("addresses.dat");            //opening the file stream addresses.dat

    string oneChar ;                        //declaring a string of characters called
                                            // onechar

    string correct;                         // declaring correct as the final correct string
                                    // output

    char at = '@';                          // declaring @ as a char

    while(emails)                           // doing a while loop to scan the documents
    {
     if (oneChar.find(at) != string::npos)  // if string is not equal to '@' then do
                                            // following code
     {
         if(oneChar.at(oneChar.length() -1 ) == ',')    //if it has a comma
         {
             oneChar.substr(0, oneChar.length() - 1);   //remove comma
         }

     addresses << correct << endl;          // output the corrected email address to outdata

     }
     emails >> oneChar;
    }
    emails.close();                         //closing emails filestream
    addresses.close();                      //closing addresses filestream

    return 0;
}