asterisk users - Sep 2010 - Go from *100* to just 100

Hello list,

how can I go from *100* to 100 ?

I know I can do something like ${EXTEN:1} but that way I only get rid of 
just one *.


Kind regards,

Jonas.
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${EXTEN:1:3}

http://astbook.asteriskdocs.org/en/2nd_Edition/asterisk-book-html-chunk/
asterisk-CHP-5-SECT-3.html#asterisk-CHP-5-SECT-3.6.3



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jonas
Kellens
Sent: 30 September 2010 08:31
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Go from *100* to just 100


Hello list,

how can I go from *100* to 100 ?

I know I can do something like ${EXTEN:1} but that way I only get rid of
just one *.


Kind regards,

Jonas.


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On Thu, 30 Sep 2010, Jonas Kellens wrote:
> Hello list,
>
> how can I go from *100* to 100 ?
>
> I know I can do something like ${EXTEN:1} but that way I only get rid of
just
> one *.
${EXTEN:1:3}

That gives 3 characters from an offset of 1.

Read the file channelvariables.txt in the doc directory.

Gordon

> how can I go from *100* to 100 ?
> 
> I know I can do something like ${EXTEN:1} but that way I only get rid of
just
> one *.
${EXTEN:1:-1} removes the first and last characters of ${EXTEN}.