//Listing 14.02 Appending to the End of a File
#include <fstream> // ifstream, ofstream
#include <cassert> // assert()
#include <iostream>
using namespace std;
int main() {
char file_name[80] = "";
char buffer[255] = "";
char ch = ' ';
cout << "Please reenter the file name: ";
cin >> file_name;
ifstream fin(file_name); // establish connection,
assert( fin.is_open() ); // and check for success
cout << "\n\nCurrent file contents:\n\n";
while (fin.get(ch))
cout << ch;
cout << "\n***End of file contents.***\n\n";
fin.close();
cout << "Opening " << file_name << " in append mode...\n";
ofstream fout(file_name, ios::app); // establish connection,
assert( fout.is_open() ); // and check for success
cout << "\nEnter text for the file: ";
cin.ignore(1,'\n');
cin.getline(buffer, 255);
fout << buffer << "\n";
fout.close(); // close the connection
// PARTE 2
fin.open(file_name); // reassign existing fin object!
assert( fin.is_open() );
cout<<"\n\nHere's the contents of the file:\n\n";
while( fin.get(ch) )
cout << ch;
cout<<"\n***End of file contents.***\n";
fin.close(); // close the connection
return 0;
}
