netdev - Re: [PATCH iproute2 0/3] ip netns: Run over all netns

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Date:	Fri, 9 Jan 2015 10:49:50 -0800
From:	Cong Wang <cwang@...pensource.com>
To:	Vadim Kochan <vadim4j@...il.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2 0/3] ip netns: Run over all netns

On Wed, Jan 7, 2015 at 4:52 PM, Vadim Kochan <vadim4j@...il.com> wrote:
> On Wed, Jan 07, 2015 at 04:04:14PM -0800, Cong Wang wrote:
>> On Wed, Jan 7, 2015 at 3:04 AM, Vadim Kochan <vadim4j@...il.com> wrote:
>> > From: Vadim Kochan <vadim4j@...il.com>
>> >
>> > Allow 'ip netns del' and 'ip netns exec' run over each network namespace names.
>> >
>> > 'ip netns exec' executes command forcely on eacn nsname.
>> >
>>
>> Why this has to be done in iproute command?
>> That is, why not just offloading this to a shell script like below?
>>
>> for ns in `ip netns show`;
>> do
>>      ip netns exec $ns ip link show.....
>> done
>
> Hm, but would not it better to have it in iproute instead of collect
> scripts ? Scripts allows to do a lot of things, but in this case it seems like a
> feature which related to iproute.

iproute2 should keep a minimum set of features especially when
a one-liner shell script can do that.
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