Re: [PATCH] don't exit shell on [[ -o invalid@option ]]

[Peter Stephenson <p.w.stephenson@xxxxxxxxxxxx>]

On Sun, 19 Nov 2017 11:41:57 -0800
Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
> On Sat, Nov 18, 2017 at 10:22 AM, Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx> wrote:
> >
> > How about the following.
> >
> > It uses status 3 because status 2 currently means "syntax error in [["
> > and I didn't want to overload that; and it uses POSIX_BUILTINS because
> > that seemed more closely related than POSIX_IDENTIFIERS.
> 
> For reasons I can't entirely define, it bothers me that an operation
> to test the setting of options changes its behavior based on the
> setting of an option.

I'm actually more worried if this *isn't* an option, given it's (in a
more touchy feely sense) optional behaviour.  Having something of that
kind based on emulation seems a bit gross.  But we do have gross syntax
changes based on emulation, it's true, such as variables that never
appear.

pws