On Wed, Aug 9, 2017 at 10:34 AM, Eric Blake <ebl...@redhat.com> wrote:
> On 08/09/2017 04:45 AM, Sam wrote:
>> Then I change commd into `awk '/ACTIVE/' stdout | head -4`, it failed
>> again, log is :
>>
>> ./netdev-dpdk.at:28: awk '/ACTIVE/' stdout | head -4
>>> --- -   2017-08-09 17:41:24.809066088 +0800
>>> +++ /home/gangyewei-3/mvs/mvs/tests/testsuite.dir/at-groups/789/stdout
>>>  2017-08-09 17:41:24.807150522 +0800
>>> @@ -1,5 +1,5 @@
>>> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> -     partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> -     partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> +     partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>>> +     partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING
>
> Could this be a difference in line endings between what your .at file
> used and what stdout contains (which in turn is what line endings
> ovs-appctl outputs)?

It could also be a difference between spaces and tabs.

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