Re: [Xen-devel] [PATCH 5/5] hotplug/linux: Add IPv6 support to vif-route

[Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>]

>> +##
>> +# ip6_of interface
>> +#
>> +# Print the first IPv6 address currently in use at the given interface, or 
>> nothing if
>> +# the interface is not up.
>> +#
>> +ip6_of()
>> +{
>> +        ip -6 addr show primary dev "$1" | perl -wane '/scope global/ && 
>> /inet6 (([0-9a-f]+:*)+)/ && print $1;'
>
> Hrm, Perl again. Can this be done with awk? Looks tricky though.
>

Changed to :

ip -6 -o addr show primary dev "$1" scope global | awk '$3 == "inet6"
{split($4,i,"/"); print i[1]; exit}'

which is now very similar to the ip_of() function.


Cheers,

    Sylvain Munaut

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