Re: [Xen-devel] [PATCH v6] acpi: Prevent GPL-only code from seeping into non-GPL binaries

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.09.16 at 14:49, <boris.ostrovsky@xxxxxxxxxx> wrote:
> On 09/26/2016 02:46 AM, Jan Beulich wrote:
>>>>> On 23.09.16 at 21:14, <boris.ostrovsky@xxxxxxxxxx> wrote:
>>> Changes in v6:
>>> * Replaced script's printf in most case with "here document" (for multi-line
>>>   text) or echo for single line. Left printf for formatted output.
>>>   (Note that in one case paramter expansion is necessary and so
>>>    delimiter word is intentionally not quoted).
>>> * Replaced bash arrays with ${string:index:size} syntax.
>> Without having looked at the patch in full yet - is this any more
>> portable than the previous approach? I can't see any mention of
>> it in SUSv6 / SUSv7 either.
> 
> I can't say for sure but I remember seeing this construct long time ago.
> 
> Of course, this being bash, there are at least 3 ways of doing the same
> thing so I can also do
> 
>     link=`echo "A B C D" | cut  -d" " -f $i`
> 
> Will SUSv6 understand this?

Yes, it looks like it will. But you could have checked yourself.

Jan


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