Re: mapfile module - avoiding $(...) in completion functions

[Sven Wischnowsky <wischnow@xxxxxxxxxxxxxxxxxxxxxxx>]

Andrej Borsenkow wrote:

> > Since in the completion system we generally want to avoid the extra
> > processes needed for $(...), we would use caching for the printer
> > names there (and the function for the lp commands I just sent to
> > zsh-workers does that). And we would also make this nicer by
> > supporting the other mechanisms used throughout the completion system.
> >
> 
> May be it was discussed already, but is not mapfile module alternative to
> $(...)? We mostly need it to parse files content, as in $(</etc/printcap), and
> in this case we could just as well mmap the file.
>
> ...
> 
> Is there any system now-a-days without mmap support?

I'd like to know that, too. It's the reason why I haven't used mapfile 
in completion functions yet.

> And where the "real" $(...) is needed, we cannot cache it anyway (process list
> is an example).

And fonts, X-extensions, tar and YP-stuff are counterexamples.

Bye
 Sven


--
Sven Wischnowsky                         wischnow@xxxxxxxxxxxxxxxxxxxxxxx