Create output file
#include <iostream> #include <fstream> using namespace std; int main() { ofstream fout("test"); if(!fout) { cout << "Cannot open output file.\n"; return 1; } fout << "Hello!\n"; fout << 100 << ' ' << hex << 100 << endl; fout.close(); ifstream fin("test"); // open input file if(!fin) { cout << "Cannot open input file.\n"; return 1; } char str[80]; int i; fin >> str >> i; cout << str << ' ' << i << endl; fin.close(); return 0; }