[Asterisk-Users] Re: Asterisk Question

[Paul Hales]

Thanks for this example - it has really got me started!

Short question - how can I put a variable into my perl script?

I imagine it's something like 
exten => 780,1,AGI(agi_ret_val2.pl|${back})

But how can I get my perl script to pick this value up?

Again - thanks to everyone who has helped me with this.

later,

PaulH

On Tue, 2006-02-28 at 11:25 -0800, Michael Collins wrote:
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> > bounces at lists.digium.com] On Behalf Of pdhales at optusnet.com.au
> > Sent: Monday, February 27, 2006 7:53 PM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: Re: [Asterisk-Users] Re: Asterisk Question
> > 
> > 
> > I was going to see if I can execute a bash script as an AGI - just
> looking
> > around the internet for examples at the moment.
> > Anybody got an example spare?
> > I'm just a bit stuck on how to start this, but I am quite comfortable
> > writing asterisk dialplan stuff and bash scripts....
> > 
> > later,
> > 
> > PaulH
> > 
> 
> Paul,
> 
> I'm a Perl guy myself.  Here's a simple dialplan extension and AGI
> script written in Perl and using the very cool Asterisk::AGI module:
> 
> ; AGI test
> exten => 555,1,Noop(Starting AGI test)
> exten => 555,n,Answer
> exten => 555,n,Wait(1)
> exten => 555,n,Playback(beep)
> exten => 555,n,AGI(agi_var_test.pl)
> exten => 555,n,SayDigits(${EXTERN_VAR})
> exten => 555,n,Wait(1)
> exten => 555,n,Playback(beep)
> exten => 555,n,Hangup
> 
> 
> Here's the Perl script:
> 
> #!/usr/bin/perl
> #
> # agi_var_test.pl
> #
> # Reads in info from file /etc/group
> # assigns asterisk GID to Asterisk variable EXTERN_VAR
> #
> use strict;
> use warnings;
> use Asterisk::AGI;
> 
> # the AGI object
> my $agi = new Asterisk::AGI;
> 
> # pull AGI variables into %input
> my %input = $agi->ReadParse();
> 
> my $infile = '/etc/group';
> open(FILEIN,"<",$infile) or die "$infile - $!\n";
> while(<FILEIN>) {
>     chomp;
>     next unless m/^asterisk/;
>     my @REC = split ":",$_;
>     print STDERR "agi_var_test.pl: Setting EXTERN_VAR to $REC[2]\n";
>     $agi->set_variable("EXTERN_VAR", $REC[2]);
>     last;
> } # while(<FILEIN>)
> close(FILEIN);
> 
> 
> Basically the script just parses /etc/group until it finds the asterisk
> entry.  It then parses the data line and extracts the GID.  Finally, it
> prints the value to STDERR (for debugging purposes) and then assigns the
> value to EXTERN_VAR.
> 
> This is more a proof-of-concept than anything else, but it does show the
> value of AGI and Asterisk::AGI. 
> 
> -MC
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