In order to find your problem, see what this outputs:Code:#include <iostream> #include <fstream> #include <string> using namespace std; int main(int argc, char *argv[]) { ifstream CFG("rungcc.cfg"); if(!CFG.is_open()) { cout << "Failed to open rungcc.cfg." << endl; return EXIT_FAILURE; } string Configuration; CFG >> Configuration; cout << "Configuration = (" << Configuration << ")" << endl; }