> Is it possible to access the text added to a document within the last
> n seconds?
>
> So I want the effect of this;
> If I did a checkin to version control periodically, and then I produced a diff
> for each period I was interested in.
>
> (I am more interested in the added text than changed text, but this is
> not an important point.)
Depending on the granularity, Vim comes with an easy way to diff
the current file's contents with it's stored-state on disk:
:help :DiffOrig
If you want to check a state since the file on disk but earlier
than the current state, you'd have to do something like
(dependent on your 'undolevels' supporting enough undos to get
back to this point in history)
:earlier 3m
:%y
:later 3m
:diffthis
:vnew
:set bt=nofile
:$p
:1d_
:diffthis
where "3m" is 3-minutes (units in undos, seconds, minutes, or
hours) as detailed at
:help :earlier
This could be wrapped up in a mapping/function to make it less
onerous, just taking the units you want. It just goes back in
time to the point you want, copies the contents of the file,
returns to the most current version, creates a new buffer
populating it with the old/historical contents, and then diffing
the two buffers.
-tim
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