[kepler-users] using string parameter in external execution actor

[Ufuk Utku Turuncoglu]

Okay, it works and i am using Kepler developer tree. By the way, do you 
know that Is there any defined release date for next version of Kepler 
(2.0).

Anyway, thanks for your help,

--ufuk

Christopher Brooks wrote:
> Hi,
> Do you have a small sample that illustrates the issue?
>
> I've attached a model that was run against the development version
> of Kepler (*not* kepler-1.0.0).
>
> The model has an ExternalExecution actor that reads the value of
> the environment parameter from an Parameter named 
> MyEnvironmentParameter.  The ExternalExecution actor run the
> "env" command, which for me, under Mac OS X, prints out the value
> of the environment.  This might not work under Windows, you could
> try experimenting with the DOS "set" command.
>
> The Environment parameter is an array of Records, where in Ptolemy
> a record has name=value pairs.  The docs for environment
> in ptolemy.actor.lib.Exec say:
>
> The environment in which to execute the command.
>      *  This parameter is read each time the subprocess is started
>      *  in fire(). Once the subprocess is running, this parameter is not
>      *  read again until fire() is called again.
>      *
>      *  <p>This parameter is an array of records that name an environment
>      *  variable and the value for the value.  The format is:</p>
>      *  <pre>
>      *  {{name = "<i>NAME1</i>", value = "<i>value1</i>"}...}
>      *  </pre>
>      *  Where <code><i>NAME1</i></code> is the name of the environment
>      *  variable, and <code><i>value1</i></code> is the value.
>      *  <p>For example <code>{{name = "PTII", value = "c:/ptII"}}</code>
>      *  would set the value of the <code>PTII</code> to 
> <code>c:/ptII</code>.</p>
>      *
>      *  <p>If the initial value of the parameter is <code>{{name="",
>      *  value = ""}}</code>, then the environment from the calling or 
> parent
>      *  process is used in the new command.</p>
>      *
>      *  <p>Note that if this parameter sets any environment variable,
>      *  then under Windows the other environment variables in the calling
>      *  or parent process might not be passed to the subprocess.  This
>      *  behaviour could be platform or JVM dependent. When in doubt,
>      *  try setting the <i>command</i> value to "env" to print out the
>      *  environment.</p>
>
> If this doesn't help, please reply with a model.  Also, let me
> know if you are using Kepler-1.0.0 or the Kepler devel tree.
>
> _Christopher
>
> Ufuk Utku Turuncoglu wrote:
>> Hi,
>>
>> I try to use string parameter in external execution actor's 
>> environment parameter but i got parsing error. Is there any way to 
>> use string parameter in that field? I try to put double dollar sign 
>> (that does not make sense in this example, but i want to try) at the 
>> beginning of the parameter name but it also gives parsing error.
>>
>> --ufuk
>> _______________________________________________
>> Kepler-users mailing list
>> Kepler-users at kepler-project.org
>> http://mercury.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
>