[qkrtjdrns]

Now I am trying to save data by using ofstream as below.

    ofstream stream5("./constant/pMeasured_prev.dat");
    ofstream stream6("./constant/dispKI_prev.dat");
//    stream5 << pMeasured_ << endl;
//    stream6 << dispKI(1) << endl;
    stream5 << "   " << endl;
    stream6 << "   " << endl;
    stream5.close();
    stream6.close();

Even though I only write 4 spaces without any letters, there is 1 at the end of the spaces as below for both stream5 and 6.

   1

Can any one know about the problem related to ofstream?