VIM error: WARNING: The file has been changed since reading it!!! How to view the changes VIM is complaining about?

Question

Is there a quick way to see the differences VIM is describing?

:!view % might do it, but is not a diff. I think we have a Q somewhere about getting the diff… — D. Ben Knoble, Dec 2, 2021 at 18:07
Might be an easier way but you can save a copy, e.g. :w %.tmp then diff with the original :!diff % %.tmp. — B Layer, Dec 2, 2021 at 18:48

Matt · Accepted Answer · 2021-12-02 19:57:36Z

3

Create a new window, read file from disk into it and show the differences. Kind of this

vnew +read\ # | windo diffthis

More complete version is discussed at :h diff-original-file. Also, a ton of variations in personal configs/gists/similar SO topics etc.

answered Dec 2, 2021 at 19:57

Matt

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