#include
#include
using namespace std;
int main()
{
ofstream outFile("FileWrite.out");
if (outFile.fail()) {
cerr << "Unable to open file for writing." << endl;
exit(1);
}
outFile << "Hello!" << endl;
outFile.close();
ofstream appendFile("FileWrite.out", ios_base::app);
if (appendFile.fail()) {
cerr << "Unable to open file for writing." << endl;
exit(1);
}
appendFile << "Append!" << endl;
appendFile.close();
}