The story with Bragg is that he executed a soldier every day he was in command. Or so a few sources say.I wouldn't want to assume, actually. It's possible, but by no means certain.
Maintaining discipline for a new army is a fairly tricky subject - you want to give the impression the rules matter and must be followed, but you also don't want the army united in their resentment of you unless you're confident it won't result in a lack of performance.