Writing a string to the end of a file (C++)

Question

I have a program already formed that has a string that I want to stream to the end of an existing text file. All of what little I have is this: (C++)

 void main(         


        

Answer 1

Open your file using std::ios::app

 #include 

 std::ofstream out;

 // std::ios::app is the open mode "append" meaning
 // new data will be written to the end of the file.
 out.open("myfile.txt", std::ios::app);

 std::string str = "I am here.";
 out << str;