grads scripting question

[Sytske Kimball]

Dear grads users,
 
I want to perform an action (write out a name) depending on the value of a grads data variable.
In other words, I have a grads data file that contains a code number for the name of a location.
In my control file I have the variable stationID and I want to do the following:
 
set t 1
set x 1
set y 1
set z 1
 
if (stationID=101) 
'draw string 1 1 Pascagoula'
endif
 
if (stationID=201) 
'draw string 1 1 Agricola'
endif
 
The above does not work, can anyone tell me how to do this?
 
Thanks in advance,
Sytske
 
Sytske Kimball
Associate Professor of Meteorology
Dept. of Earth Sciences
University of South Alabama
Mobile, AL
phone (251) 460-7031
fax        (251) 460-7886
email   skimball at usouthal.edu
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