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

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Date:	Wed, 7 Jan 2015 16:04:14 -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 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
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