Thank God this program does exactly that what I tell it to do. So the GIGO principle applies (Garbage in - garbage out).
You could set a filter first to make sure that only those files that match your settings will be processed.
Then you could invert that filter to find all those which do not match. And then think of a decent way to process them. In my view much better than any kind of automatism.
The "filter first" principle applies also to
Is this an improvement or a question for support?
%dummy% has no specific contents but is only the left-over when evaluating all the other masks.
In this particular case:
Which data should fill %dummy%? As formatting a tag with other values you have to specify the contents. If you want to cut the first word, use the $left or $strstr functions.
Please update to 2.47b which features the title again (and read the FAQs before suggesting this feature)
There are numerous threads that have asked this question before. E.g. look at
/t/10911/1