What I meant is a processor through which one can set user-defined variable,
yes, $dog, $cat if he wishes, and then one can use $dog in inputs of any other
processors -- I am not terribly interested in picking up the environment
variables.
Using string constants work for me, but isn't the workflow becoming ugly if I
have 35 processors connecting to the same string constant?
Roger
> Date: Wed, 3 Jun 2009 11:03:55 +0100
> From: [email protected]
> To: [email protected]
> Subject: Re: [Taverna-users] global variable
>
> Roger D wrote:
> > Hi developers,
>
> Hello,
>
> > I wonder if you can add a global variable processor to Taverna in the
> > future. I am benchmarking the usability of Taverna, LONI, and kepler
> > (guess those names are all familiar to you) through setting up a
> > nueroimaging data process.
> >
> > One of the things that I feel great to have in Taverna is the gloable
> > varaible processor (correct me if it's already there). An example is 30
> > out of 35 processors in the experiment have common input values such as
> > the file path. In Kepler, I only need to set a global variable e.g.
> > $path = /home/user/data/, and then set $path as the default input value
> > of a processor. If the path changes, users only need to reset the value
> > of $path.
>
> Can you add new global variables or is it picking the environment
> variables up from the execution environment? i.e. could I specify $fred?
>
> You can share input values between processors in Taverna by setting a
> String Constant, but that would not pick up the environment variable.
>
> I'll add the default value request into Jira (the bug tracking system).
>
> > Thanks.
> >
> > Roger
>
> Alan
>
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innovations from Sun and the OpenSource community. Download a copy and
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Go to: http://p.sf.net/sfu/opensolaris-get
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