Nope, never hunted hogs with a knife. As LongPath points up, that was Rob. Youp's description of this type of hunt is spot on.
As H&H states, we hunt with dogs, but not in the traditional sense. A single dog hunting hogs is dangerous business....better two or more. In my case as in H&H's, Miko was raised as a tracker, but they're primarily used for baying. For my own part, I'd prefer to find the hogs myself and use the pup to track them after the shot. Still, the Catahoula and Jadgterrier are born to bay; and one would probably have to break the best of breed to keep them from doing that which they love.
Miko had not yet gone up against a full grown boar, so I don't know how he'd have fared. But he was fearless. He was killed on December 17th by a car on a country road in Lakeland, FL. He was not yet 10 months old. He will be daily missed for a very, very long time.