Statwhore/demos

So, I have a bit of a problem with this appliaction. There's no problem in making stats just after a played game but I can't make any out of my demos. There are no logs from those demos in etconsole.log (the only existing logs are the ones from the last match). I know that you can make the stats out of your demos so I just don't know what the problem is here. All the commands are all right- I've checked them a few times in various journals and asked my friends about them, too. Anyone got an idea how to solve that problem?

Maybe just writing the in-game console logs into etconsole.log would make it but I don't know such a command and have no idea if it even exists.

Thanks in advance. Got to go to school now, so see you later.

Have a nice day.