input text from one file to another file question

[findme]

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


using namespace std;

int main()
{

    ifstream wormfile("worm.txt");
    ofstream dtfile("dt.txt");
    string wormline;


//while (!wormfile.eof())
//{
getline(wormfile, wormline);
//cout << wormline << endl;
//}

dtfile << wormline << endl;
cout << " dtfile has the data" << endl;

    wormfile.close();
    dtfile.close();
    return 0;

}

worm.txt has:

I like pie
I like rice
and I like applesauce

dt.txt has nothing.

I am trying to get worm.txt to copy all of its data to dt.txt. My problem is that the program only gets the first line and doesn't get the other lines.

[findme]

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


using namespace std;

int main()
{

    ifstream wormfile("worm.txt");
    ofstream dtfile("dt.txt");
    string wormline;


getline(wormfile, wormline);
dtfile << wormline << endl;
getline(wormfile, wormline);
dtfile << wormline << endl;
getline(wormfile, wormline);
dtfile << wormline << endl;

cout << " dtfile has the data" << endl;

    wormfile.close();
    dtfile.close();
    return 0;

}

update. I found out how to copy the worm.txt text to dt.txt but now I am trying to do it without having to do all of this:

getline(wormfile, wormline);
dtfile << wormline << endl;
getline(wormfile, wormline);
dtfile << wormline << endl;
getline(wormfile, wormline);
dtfile << wormline << endl;

What kind of loop would I use to compare both of the files to stop at the end of the file?

does that make sense?

[ui uiho]

for(int i = 0; i < 3; i++){
std::getline(wormfie, wormline);
dtfile << wormline << '\n'; 

will acompish what you want.