http://www.readerware.com/misc/awuserexit.pyYou need to save this file into your Documents->Readerware folder. You can save it there or copy/paste it into a text editor.
You can probably see the basic idea, check for a string in the extracted category, if found replace the category with another. The full list of the methods available on the rw object are included at the end of this document.# Add your statements here if (string.find(aw.getCategory1(), "Opera") != -1): aw.setCategory1("Classical : Opera")