[libvirt] [PATCH] virsh: send-process-signal: add support for '-NUM' style of signal nums

[Daniel P. Berrange]

On Fri, Sep 23, 2016 at 06:09:02PM +0800, Chen Hanxiao wrote:
> From: Chen Hanxiao <chenhanxiao at gmail.com>
> 
> As kill(1), add support for sending signal
> in form of "9" as well as "-9".

I'm not a fan of this as it introduces ambiguity which could hurt us if we
want to rewrite/extend the option parser - you can't distinguish an option
argument (-9) with name of "9", from a positional argument with a value of
"-9".


Regards,
Daniel
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