Thanks a lot, but I don't need this. I want to make program which download only source
Hmmm, that would be the bit I gave you
then finds lines which I'm interested in and makes list of these lines.
Please show explain how I can do this.
You do it by learning some basic programming, then reading the manual and trying to do it for yourself. Here are some places to start.
QFile or QBuffer, QRegExp, QString, QStringList.