On Fri, 1 Jun 2012 22:12:04 +0800 Clark WANG wrote:
> On Fri, Jun 1, 2012 at 9:13 PM, Glenn Fowler <[email protected]> wrote:
> >
> > try this for a hint:
> >
> >        [ hello ] && echo yes

> I know what this means. I've been using bash for years and I know
> what's the difference between [ ] and [[ ]].

I wasn't trying to be mean or question your knowledge
a few other tests on my side show that the hint doesn't help anyway
so best to wait for dgk to explain

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