[kepler-users] Setting parameters for command line execution

[Edward Lee]

I suspect the problem is that you are invoking on the command line a 
model that has input ports (your port parameters have both an input port 
and a parameter).

Turning on backward type inference might work.

Another alternative, if the command is available in Kepler (it is in 
Ptolemy II), is to right click on the background of the model, select 
Customize->Ports, and set the type of the port explicitly, for example 
to string.

A better approach, if your parameter is specifying a file, would be to 
use a FilePortParameter instead of a PortParameter.
This has the type fixed, but also offers browsing the file system to set 
the file name.

Edward

On 12/5/13 4:42 AM, GARY WERNSING wrote:
> I am trying to pass a parameter to a workflow via the command line. Chapter two of the user manual suggests it is straight forward and that adding '-x 4 -y "foo"' to the command line would set both x and y. I am starting to think there is something unspoken about actually using this technique.
>
> I have a workflow that executes properly when I run it from the Kepler GUI but fails when run from the command line. My command line is:
>
> /Applications/Kepler-2.4/Kepler.app/Contents/Resources/Java/kepler.sh -runkar -ScriptLocation "/Users/wernsing/rest.py" /Users/wernsing/KeplerData/workflows/MyWorkflows/RESTviaPython.kar
>
> At some point later I get
>
> ...
>      [null] Command failed.
>      [null] ptolemy.actor.TypeConflictException: Types resolved to unacceptable type . .RESTviaPython due to the following objects:
>      [null]   (variable .RESTviaPython.ScriptLocation: unknown)
> ...
>
> My workflow has three Port Parameters one of which is named "ScriptLocation". When I run the workflow from the Kepler GUI I get the expected result (a file appears on my desktop) so I have some confidence that the workflow is correct. I am baffled as to how to get the command line invocation to set the Port Parameters.
>
> Any advice and/or magic incantations would be greatly appreciated.
>
> --Gary
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