[App_rpt-users] Calling a shell script

Bryan D. Boyle bdboyle at bdboyle.com
Tue Feb 28 14:10:18 EST 2012


On 2/28/12 1:47 PM, Robert A. Poff WB3AWJ wrote:
> I have a need to call a shell script from a DTMF function.
>
> An internet search finds this message in the archive : Calling a script message
> So based on what I found there I did this:
>
> Added to extensions.conf:
> [call-bash-script]
> exten =>  1,1,System(/etc/W3SBA/utils/drillactive) ; Configure for EmComm Drill
>
> And in rpt.conf:
> 8495=autopatchup,context=call-bash-script,farenddisconnect=1 ;84951 - Set up for EmComm Drill
> It works as is.
> But, is this still the way to do this? Or is there a "better" way to make a call to the system?

What are you trying to do?

I don't usually add anything to extensions.conf; just a dtmf command in 
rpt.conf that calls a script using

DTMF=cmd,/etc/asterisk/scripts/blah.sh

where blah.sh may be something as simple as

  #!/bin/bash
/usr/sbin/asterisk -rx "rpt cmd xxxxx ilink 1 yyyyy"

so...keying up and doing a *DTMF# sequence will call my blah.sh script, 
execute it, and do what it says (in this case, send a command to xxxxx 
to disconnect node yyyyy.


Of course, you have to watch for command length matching...
99=cmd,/x/y/huh.sh
991=cmd,/a/b/c.sh  will never get executed, since there will be a match 
on 99 and huh.sh will get executed when the minimal match is made...

better to have 990...;)  Found that the hard way.

I know there are other ways...but, this seems to work the least 
painfully at least for me so far.

-- 
Bryan
In this world, you must be oh so smart or oh so pleasant.
Well, for years I was smart. I recommend pleasant.
You may quote me.

Sent from my MacBook Pro.



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