Vim normally offers a pretty lightweight bit of change detection and I
think Shawn was only asking how to apply that to a new filename. In that
context, ":saveas" seems to work:
$ vim a
:saveas b
:! echo hello >> b
W11: Warning: File "b" has changed since editing started
John Passaro
(917) 678-8293
http://riemann-summary.blogspot.com
http://www.soundcloud.com/a-straight-john-at-last
On Sun, Dec 11, 2016 at 12:42 PM, <[email protected]> wrote:
>
> > Shawn, what is it you're trying to do, exactly? The two parts of your
> > question ("changing which file a buffer points to" and "get notified
> > when a file is externally modified") are unrelated in vim.
> >
>
> This is a vim-related list, but this does raise the question of whether
> vim is even the appropriate tool? It sounds like some some sort of
> monitoring effort.
>
> Vim is wonderful for a human creating or updating a text, then going away
> to do something else. Operations involving multiple files, intermittent or
> unpredictable events, and other situations fit other programs better.
>
> The programs in the *nix tool chest are all powerful and flexible. As a
> result, sufficiently dedicated perversity can bend almost all of them to
> do jobs wildly different from their designers' intentions. (Video games
> written in sed, for example:https://github.com/aureliojargas/sokoban.sed
> .) Just because it's possible doesn't make it advisable.
>
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