Hi,
2016/7/8 Fri 5:32:58 UTC+9 Bram Moolenaar wrote:
> Christian Brabandt wrote:
>
> > > > On Do, 07 Jul 2016, Bram Moolenaar wrote:
> > > >
> > > > >
> > > > > Patch 7.4.1996
> > > > > Problem: Capturing the output of a command takes a few commands.
> > > > > Solution: Add evalcmd().
> > > > > Files: src/eval.c, runtime/doc/eval.txt,
> > > > > src/testdir/test_alot.vim,
> > > > > src/Makefile, src/testdir/test_evalcmd.vim
> > > >
> > > > Does that work recursively? e.g. what happens, if you do
> > > > :echo evalcmd(':redir =>a|syn|redir end')
> > >
> > > Nope. The help for :redir says:
> > >
> > > Only one ":redir" can be active at a time.
> >
> > Sorry, but in that case, I don't see how the evalcmd() is helping much.
> > I would have rather seen a fixed :redir command. Perhaps make use of
> > Neovims capture() function?
> > https://github.com/neovim/neovim/pull/4697
>
> Hmm, wasn't aware that people wanted nested redirection.
> It's not so difficult to make that work, use another redir flag instead
> of reusing redir_vname.
>
> The neovim implementation is similar, but not better.
> It skips adding spaces where needed.
The neovim implementation is based on mattn's patch.
https://groups.google.com/d/msg/vim_dev/H3Z3ChSUh_4/beZs6KzYdBsJ
Comparing with mattn's capture(), evalcmd() lacks (at least) two items:
* Checking for sandbox.
* Accepting a list of strings. (I'm not sure how this is useful.)
Regards,
Ken Takata
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