Quotation marks surrounding string during writing to file with OpenCV FileStorage

[almatrah]

Hi Everybody
My problem are quotation marks during writing to file. The code is

cv::FileStorage fs(outputname.toStdString(), cv::FileStorage::WRITE);
...
std::string str="test";
fs << str.c_str();
...

In file I got "test", but what I want is just test without quotations marks. Can anybody give me a hand?

best regards

[almatrah]

Hi
Actually I found solution, but I'm not sure why it solved problem ?

    @outputname.push_back(dir+"/list.xml");
    cv::FileStorage fs(outputname.toStdString(), cv::FileStorage::WRITE);
    fs << "imagelist" << "[";

    // This doesn't work for me, put quotes
    // std::string str=imagesList.join(" ").toStdString().c_str();
    // I tried that but it doesn't help
    // str.erase(str.begin(),str.end()-(str.length()-1));
    // fs << str.c_str();

    // Finally iterator solved problem
    QStringList::const_iterator constIterator;
         for (constIterator = imagesList.constBegin(); constIterator != imagesList.constEnd(); ++constIterator)
             fs << (*constIterator).toLocal8Bit().constData();

    fs << "]";
    fs.release();@