[asterisk-users] Quick bash tip for finding free SIP extensions from your sip.conf

[Kyle Sexton]

On Thu, Feb 2, 2012 at 5:34 PM, Steve Edwards <asterisk.org at sedwards.com>wrote:

> On Thu, 2 Feb 2012, Kyle Sexton wrote:
>
>  Created this function on one of my machines today, thought others might
>> find it useful:
>> freesip() {
>> comm -2 <(seq $2 $3) <(cat $1 | grep ^\\[ | sort | uniq | tr -d \[ | tr
>> -d \]) | grep ^[[:digit:]]
>> }
>>
>
> Shave 4 processes:
>
> freesip()
>        {
>        comm -2 -3\
>                <(seq $2 $3)\
>                <(grep ^\\[[[:digit:]] $1 | sort -u | tr -d \[])
>        }
>
> --
> Thanks in advance,
> ------------------------------**------------------------------**
> -------------
> Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
> Newline                                              Fax: +1-760-731-3000
>
>
Yeah, I didn't really optimize this.  Thanks for the tip!

-- 
Kyle Sexton
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