Re: [Help-bash] set -u in an arithmetic context

[Eric Blake]

On 04/26/2012 11:01 AM, Eric Blake wrote:
> On 04/26/2012 10:14 AM, Bill Gradwohl wrote:
>> Finding out that -u doesn't work unless the variable is referenced with $
>> or ${} is a disappointment.
> 
> Especially since 'set -u' _does_ affect arithmetic expansion (although I
> couldn't quickly find such a requirement in POSIX, so we may have a hole
> in the standard):

I filed this request for interpretation:

http://austingroupbugs.net/view.php?id=559

But be aware that while POSIX specified $(()), the use of (()) is an
extension, so it does not have to behave the same.

-- 
Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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