On Monday, April 01, 2013 3:56:01 pm Jilles Tjoelker wrote:
> On Mon, Apr 01, 2013 at 02:06:50PM -0400, John Baldwin wrote:
> > Why not use 'local -' instead of the $- magic? That is:
>
> > devfs_rulesets_from_file()
> > {
> > local file _err _me -
> >
> > ...
> > set -f
> > ...
> > }
>
> > That would seem to be simpler.
>
> I had mentioned this possibility on IRC, but this feature is specific to
> Almquist-derived shells (ash) and so something more portable was
> selected. (It's still not standard because POSIX does not specify
> "local" but it works on most shells in use.)
rc.subr isn't meant to be portable, it's a script that is part of the FreeBSD
base system. I find the 'local -' syntax more readable (and used the feature
quite a bit in etcupdate).
--
John Baldwin
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