What is the difference between catkin_create_pkg & catkin create pkg?

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The same thing, but implemented as different tools / different parts of tools.

That's it really.

Personal preference, agreed. I use catkin tools so I don't use any of the catkin_ commands, but many are equivalent

@stevemacenski, and personally why do you prefer catkin over catkin_? Is it the lack of underscore, better documentation on catkin tools, or something else entirely?

@gvdhoorn, would it be correct to say that catkin_ comes with ROS at each release where as catkin tools is a standalone package that can be separately installed and updated?

would it be correct to say that catkin_ comes with ROS at each release where as catkin tools is a standalone package that can be separately installed and updated?

Well .. yes. But I don't really understand how that is relevant to the question you asked.

@gvdhoorn, well, this detail is more technical, wouldn't you agree? I just want to find out if there is a difference between the two tools and what is it, and where is it.

Perhaps the History page in the catkin_tools documentation can provide insight into why it was created.

@gvdhoorn, ah, I see your point. I asked about create verb of the tool. Yeah, you are right. It's just underlying question for me is really the difference between the catkin and catkin_ tools.

@gvdhoorn, perhaps. But I've spent two days there before coming here ._.

I was just looking for someone to dumb it down for me. The documentation is really great, but the author(s) assumes a knowledgeable reader with a heavy background in CS shrugs