Opening files for read and write. : file open mode « File Stream « C++ Tutorial






#include <fstream>
#include <iostream>

using namespace std;
int main()
{
   char buffer[255];    

   ofstream fout("text.txt");
   fout << "test\n";
   cout << "Enter text for the file: ";
   cin.ignore(1,'\n'); 
   cin.getline(buffer,255);
   fout << buffer << "\n"; 
   fout.close();           

   ifstream fin("text.txt"); 
   char ch;
   while (fin.get(ch))
      cout << ch;

   fin.close();
 return 0;
}








12.5.file open mode
12.5.1.Open a file for input and read in its content
12.5.2.Open a file for appending and append
12.5.3.Open a file as binary file and get its size
12.5.4.Opening text Files for Read and Write
12.5.5.Appending to the End of a File
12.5.6.Opening files for read and write.