Passing parameters into a script

[Stephen R McMillan]

Herb,
I use GrADS 1.8SL11 on a PC (Windows XP), and your script works fine on my 
machine. Script I used, called testfunc.gs...

function main(args)
  arg0=subwrd(args,1)
  arg1=subwrd(args,2)
  arg2=subwrd(args,3)
  say 'arg0='arg0 '  arg1='arg1 '  arg2='arg2
return

Following is sample command line entry, and result of "say"  string:

> testfunc 04may2006 slp 500
arg0=04may2006   arg1=gph   arg2=500

Note, I get the same output regardless of whether "return" is at the end 
of this simple script.

However, I have a feeling this does not address your problem, or does it?

Stephen McMillan
Planalytics, Inc.
:



Eric Salathé <salathe at WASHINGTON.EDU> 
Sent by: GRADSUSR at LIST.CINECA.IT
05/03/2006 05:53 PM
Please respond to
GRADSUSR at LIST.CINECA.IT


To
GRADSUSR at LIST.CINECA.IT
cc

Subject
Re: Passing parameters into a script





Herb-

Your script works as expected in version 1.9b4 on linux. So this may be
a PC GrADs issue...

-Eric


On May 1, 2006, at 11:13 AM, Herb Philbrick wrote:

> Hello all,
>
> I am unable to use parameters passed into a script and would very much
> appreciate some guidance or an example.
>
> I see from the .pdf doc that there are two ways of invoking a script.
>   - using EXEC allows for 10 arguments referred to as &0-&9 in the
> script
> (p49)
>   - using RUN does not allow for &0-&9 and I'm not sure how the
> arguments
> are received. (p52)
>
> Apparently, EXEC does not accommodate the full scripting language, so
> RUN is
> my focus.
>
> The sample script meteogram_avn.gs has  * function main(args) *  as its
> first executable line.  "args" is parsed to find individual arguments.
> There is no  * return *  statement matching the  * function main(args)
> *
> statement.
>
> I have tried a simple script along the lines of:
>         function main(args)
>         arg0=subwrd(args,1)
>         arg1=subwrd(args,2)
>         arg2=subwrd(args,3)
>         say 'arg0='arg0 '  arg1='arg1 '  arg2='arg2
>
> The script bombs on the first line.  (PCGrADS 1.8)
>
>         I have tried searching the archives but, I haven't been able
> to gain
> access, even after registering in numerous manners.
>         A tip on accessing the archives would be greatly appreciated,
> too.
>
>
> Thank you,
>
> Herb Philbrick
>      Burns Harbor Plate
>      voice 219-787-3321
>      fax    219-787-2690
>      herb.philbrick at mittalsteel.com
>
>
--
Eric Salathé
Climate Impacts Group             <salathe at washington.edu>
University of Washington
<http://www.atmos.washington.edu/~salathe>

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