Re: Visual selection via :global

On Thu, Jul 23, 2020 at 08:18:23PM -0500, Tim Chase wrote:
> The ex "y" command yanks and can take an optional register to yank
> to. By default, your
>
> :g/^-/normal yy
>
> (using the normal-mode) would be the same as ex-mode "y" command:
>
> :g/^-/y
>
> which yanks, overwriting the default " register.
>
> If you specify a register, vi/vim will yank into that register
> instead. In normal mode, you'd prefix your command with the
> register-name:
>
> "ayy
>
> to yank the current line into register "a".
>
> The trick is that *uppercase* registers write to the same register as
> their lowercase variants, but they *append* instead of *overwrite*.
>
> :help quote_alpha
>
> So by using
>
> :g/^-/y A
>
> (or as a jump to normal mode
>
> :g/^-/normal "Ayy
>
> would do the same thing) each line matching your pattern gets yanked
> *and appended* to register "a", gathering them all up so you can then
> use the "a" register either to paste or transfer the results to the
> system clipboard (the "+" register) via a `:let` command
>
> :let @+=@a
>
> Hopefully that makes more sense of it?
>
Thanks a lot for your help.

--
Manas
CSAM Undergraduate | 2022
IIIT-Delhi, India

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