Re: Parameter expansion, patterns and fnmatch

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

On Fri, Sep 02, 2016 at 09:49:53AM -0500, Eric Blake wrote:
> On 09/02/2016 09:29 AM, Herbert Xu wrote:
> > On Fri, Sep 02, 2016 at 09:25:15AM -0500, Eric Blake wrote:
> >>
> >>>> This also affects
> >>>>
> >>>>     case [a in [?) echo ok ;; *) echo bad ;; esac
> >>>>
> >>>> which should print ok.
> >>>
> >>> Even ksh prints bad here.
> >>
> >> So ksh is also buggy.
> > 
> > Good luck writing a script with an unquoted [ expecting it to be
> > portable :)
> 
> [ '' ] || echo empty
> 
> There, I just wrote a portable script with unquoted [ portably
> interpreted as itself and not as a bracket filename expansion pattern.

dash handles that just fine.  We're not talking about a lone [
in file expansion context here.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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