Re: vimdiff exit when files are identical?

Tim Chase wrote:

> On 2018-05-28 18:11, M Kelly wrote:
> > Is there a variable for how many diffs are present after starting
> > vimdiff ? I'd like to exit immediately with status of 0 if there
> > are no differences between the files I pass into vimdiff.
>
> Not that I know of off the top of my head (though if there is, I'd be
> glad to stash that new knowledge away), but you can do a quick check
> before invocation:
>
> diff -q file1 file2 >/dev/null && echo same || vimdiff file1 file2
>
> which could be wrapped in an alias/function to simplify the
> invocation.

Another way would be to check the fold regions.

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