Re: Why vimdiff <() <() reset when terminal is switched?

Gary Johnson wrote:

> On 2021-04-13, Peng Yu wrote:
> > When I call `vimdiff <(seq 3) <(seq 4)`, then switch to another terminal then
> > switch back, the content in vim disappear. How to make the content persistent?
>
> I run vimdiff with process substitution like that all the time
> without losing anything. The outputs of those seq commands exist
> only in Vim buffers; you can't abandon those buffers and expect
> to recover them. If you want to use Vim to look at something else,
> just don't close the windows containing those buffers.
>
> I don't understand what you mean by "switch to another terminal".

Maybe the 'hidden' option is useful?

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