RE: How to visit a file and kill the current buffer?

[Drew Adams]

> > Very often I have a frame displaying a file, but I no longer need to
> > have that file open.
> 
> Emacs doesn't keep the file open after visiting it.  The file's
> contents is read into a buffer, and the file is closed.  So you
> shouldn't worry about leaving the file open.
> 
> > I wish to instead open another file. What I do
> > currently is to do C-x C-f and visit the new file, then kill the now
> > unneeded buffer, but it is annoying to have to do this in 2 steps.
> 
> You don't need to kill the buffer.
> 
> > Moreover, I tend to forget the later step and then I accumulate a lot of
> > “garbage” buffers that are visiting files that I am no longer interested
> in.
> 
> Activate midnight-mode, and all those buffers will be automatically
> killed for you.
> 
> IOW, I think you are looking for a solution to a problem that doesn't
> really exists in Emacs.  It only exists in those "simple GUI editors".

I think that perhaps you and others who have replied to this
so far have misunderstood what the request is (or else I have).

I think he's asking to kill the current buffer and visit a file in
its window.  That's `C-x C-v'.