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Re: handling of test == by BASH's POSIX mode


From: Eric Blake
Subject: Re: handling of test == by BASH's POSIX mode
Date: Mon, 28 May 2012 09:08:16 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

On 05/27/2012 07:09 AM, Jon Seymour wrote:

> I understand that the behaviour is unspecitied by POSIX - I didn't
> know that before, but I know that now - thanks.
> 
> That said, from the point of view of promoting interoperable scripts,
> my view is that it (in an ideal world**) would be better if bash chose
> to fail, while executing in POSIX mode, in this case.

Sounds like you want debian's 'posh', which is even stricter than
'dash', and excellent for pointing out use of extensions by failing
loudly at any encountered extension, including == under test.

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

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