Recently I started to use Kompare a lot to compare the differences between two files. The way I compare two files is to open both files from the menu (File -> Compare Files). This is annoying and how I wish there were a way to just run Kompare from the command line passing 2 files as options.

Well, it looks like my wish has been granted. I found the information here on how to do just that:

Credit: http://superuser.com/questions/355480/how-to-open-local-files-for-diffing-in-kompare-from-command-line