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I want to write some data to a .txt file using c ++ / opencv

I want to save some information about each frame in a video to a file .txt

.

Information can be like the number of the current frame, the position of the points, etc.,

I could only find ways to write it to XML / YML file. Can I write them to a .txt file? IF so how?

Thanks in advance!

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you need to cast your own implementation. The main C ++ stream files are

#include <iostream>
#include <fstream>

using namespace std;

void writeSomething()
{
    ofstream outputfile;
    outputfile.open("data.txt");
    for (int i=0; i<10;i++)
        outputfile << i << endl;
}


Your question is not very clear, so you'd better edit it to be clear what exactly you want to do.

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