Re: [Asterisk-java-users] Help with the "!" CLI command via Manager CommandAction.

[Karien Du P. <kar...@gm...>]

On 8/3/06, Stefan Reuter <sr...@re...> wrote:
>
> Karien Du Preez wrote:
> > Hi.
> >
> > I'm trying to excute a normal shell command like "ls" via the Manager
> > API using the CommandAction.
> >
> > If I type in "! ls" in the CLI command line on asterisk I get a
> > directory print out.
> [...]
> > Why is this the case?
>
> I think this is due to the fact that ! simply escapes to the shell you
> used to connect to the asterisk server. So if you are connected through
> the Manager API there is no shell to escape to.
>
> > Can someone please help?
>
> Probably the simplest way is not using the Manager API to run unix
> commands on Asterisk but stick to ssh. Maybe something like JSch
> (http://www.jcraft.com/jsch/)

=Stefan


Thanks for the advice, works like a charm.

Just a quick question, I know its meant for the asterisk-users list, but
that list has way too much traffic on it and you hardly get a decent reply.
How can you check in your dialplan that a channel varaible has been set/not
empty/not zero?
I tried expressions like
    $[${var} != ""]
    $[${var} > 0]
but it doesn't seem to work.

Thanks.