> xbase-3.1.2-7 xterm-color-3.1.2-4 : usr/X11R6/bin/xterm > xterm-color-3.1.2-4 xbase-3.1.2-7 : usr/X11R6/bin/xterm Perhaps you should refine the list to show each only once; ideally, you'd also check for diversions, though I understand that this is probably not something you can automate (xterm-color is provided for the express purpose of divert-replacing xterm.) A useful list, otherwise...