program to open a file in cint

Question

Program to Open a file in C++:

int main()

{

                 char ch;

                 ifstream f1 ("OLDFILE.TXT");

                 ofstream f2 ("NEWFILE.TXT");

 

                 if (!f1) cerr << "Cannot open OLDFILE.TXT for input";

                 if (!f2) cerr << "Cannot open NEWFILE.TXT for output";

 

                 while (f2 && f1.get(ch))

                                 f2.put(ch);

 

return 0;

 

}