Say I'm editing file foo. I want to copy/write what I have in the buffer to bar and change the buffer to be editing bar instead of foo. I can achieve this with:

:w bar
:e bar

But that has a few problems

  1. If bar is actually /usr/local/share/long/path/to/bar, I really don't want to type that in twice, even with tab completion.
  2. It reloads the file, potentially messing with the settings/folds/etc. I had for that buffer.
  3. The working directory is left the same.

1 is the biggest problem I'd like a solution to address; 2 would be really helpful, 3 is more of a "nice to have."

Is there a cleaner way to do this?

  • I think this is what you want? How can I rename the file I'm editing?. It doesn't do anything about the working directory, but you can fix that with :cd %:p:h. – Martin Tournoij Feb 20 '15 at 23:57
  • You can define a function yourself that does this, called e.g. :we -- is that what you're looking for? – yo' Feb 21 '15 at 0:06

Here's a relatively simple solution:

:saveas bar

This solves problems #1 and #2. It doesn't address problem #3, however.

Note that this still leaves the old file open in another buffer. For example, :w foo<cr>:saveas bar<cr>:ls<cr> will list two buffers, foo and bar.

  • Beat me by twelve seconds! – wchargin Feb 21 '15 at 0:22
  • Indeed, saveas is what I was looking for. I don't suppose there's an option to have it open in a new window, is there? – Kevin Feb 21 '15 at 0:31
  • @Kevin By "window," do you mean split or tab? – Doorknob Feb 21 '15 at 0:32
  • Split, preferably vertical (or an option for both) – Kevin Feb 21 '15 at 0:33
  • @Kevin Not that I'm aware of, but you could always use, for example, <C-w><C-s>:saveas bar<cr>. (This could be all in one ex command if you want to make a mapping or something: :wincmd s|saveas bar.) – Doorknob Feb 21 '15 at 0:36

Write the file as usual: :w bar and press Ctrl+^ (or Ctrl+6) to alternate the file.

For splits (:ba/:vert ba), check: How to convert all windows into horizontal, vertical or tab splits?

See: :help ctrl-6.

  • Definitely helps avoiding typing out the name twice, but does reopen like :e. – Kevin Feb 21 '15 at 0:45

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