Reversion 1:
#include <iostream> #include <fstream> #include <sstream> #include <string> int main (int argc, char **argv) { std::stringstream logf_n; logf_n << "/tmp/MyApp_" << time(0) << ".log"; std::ofstream logf(logf_n.str().c_str()); logf << "Hello World" << std::endl; logf.close(); return 0; }