Re: A function to display message under the prompt without zle active

[Sebastian Gniazdowski <sgniazdowski@gmail.com>]

On Sat, 22 Jun 2019 at 23:17, Roman Perepelitsa
<roman.perepelitsa@gmail.com> wrote:
>
> On Sat, Jun 22, 2019 at 10:49 PM Sebastian Gniazdowski
> <sgniazdowski@gmail.com> wrote:
> >
> > The command line seems to be blcoked after first using the descriptor.
>
> Silly bugs. This isn't production code, I just typed it into GMail to
> give an idea. Removing `while` should fix it. There is also a missing
> `local` and quotes. With these fixes in place:
>
>     function _zle_msg_process() {
>       emulate -L zsh
>       local line
>       IFS='' read -r -u $zle_msg_fd line && zle -M $line
>     }
>
> The rest of the code stays the same. The nice thing about this
> implementation is that it's fork-free.

Thanks for the code, this distinct property might get handy in some situations.

> Depending on your needs you might also want to open the file descriptor
> with `sysopen -rw -o cloexec`.
>
> Note that zle will hang if you write something to the file descriptor
> without a terminating \n.
>
> Roman.

-- 
Sebastian Gniazdowski
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