[gradsusr] Pass Data via the 'Return' Expression

[Charles Seman]

Mark,

Don't know if you have resolved this yet, but Bob Hart's "plotskew.gs" 
script has examples of what it appears that you want to do:
http://www.iges.org/grads/gadoc/library
ftp://grads.iges.org/grads/scripts/plotskew.gs

Hope this helps,
Chuck

Mark Sponsler wrote:
>
> I have a script that calls a second script (and passes some arguments 
> to it). That works fine. I'm trying to get the second script to return 
> some data back to the first script, but am having difficulty.  I use 
> the 'return' command to have the second script return control back the 
> first script, but cannot seem to get any variable data to pass with 
> it. It seems this is possible per the Grads documentation:
>
>  
>
>  
>
> To return from a function, use the |return| command:
>
>     |return /expression/|
>
>     The |/expression/| is optional; if not provided, a NULL string
>     will be returned. (A null string is: '') The result of the
>     function is the result of the expression specified on the return
>     command.
>
>  
>
> In the second script, the last line is:
>
>  
>
> return val1
>
>  
>
> Where val1 is a variable string
>
>  
>
> Just can't seem to get the first script to read the contents of 
> val1. Could always write the data to a file, but am looking for 
> something a little more elegant.
>
>
>  
>
> Any help would be appreciated,
> Mark
>
> ------------------------------------------------------------------------
>
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-- 

Please note that Charles.Seman at noaa.gov should be considered my NOAA
email address, not cjs at gfdl.noaa.gov.

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