Re: How to clear number registers

On 2012-03-04, howardb21 wrote:
> On Mar 4, 1:49 am, Paul Isambert wrote:
>
> > You should use ":exe[cute]":
> >   au BufRead * for i in range(1,9) | exe "let @" . i . " = ''" | endfor
>
> Does not seem to work. When I enter a new buffer, the numbered
> registers still contain older text.

What do mean by "enter a new buffer"? The BufRead event occurs when
a file is read into a buffer. If you really want those registers
cleared each time you enter a buffer, you should use the BufEnter
event, but that event doesn't distinguish between new and existing
buffers.

> Have you tried this autocommand?

Yes. It worked as advertised. I started vim without any arguments
and used the :registers command to observe the contents of all the
registers. The numbered registers contained stuff left over from
previous editing sessions. Then I edited an existing file with the
:edit command and used the :registers command again to observer the
register contents. The numbered registers 1 through 9 were cleared.

> I did try a version of execute, but I read in the docs that you
> could not use exe on part of a command. You had to execute the
> whole line, even if it contained multiple commands.

Where did you read that? Your conclusion is incorrect, so perhaps
the documentation needs to be more clear.

Regards,
Gary

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