No subject

(this is under the section "The user defined function table")<br>
<br>
<blockquote>Field 1: The name of the function, 1-8 characters,
beginning with
a letter. The name should be in lower case. Note that function
names are not case dependent, and that GrADS converts all
expression to lower case before evaluation.<br>
</blockquote>
MJ<br>
<br>
Dan Schwarzkopf wrote:
<blockquote cite="mid462F6651.10308 at noaa.gov" type="cite">given that my
UDF executable is called 'ttestudf_linux' in the udf
  <br>
function table, with 4 arguments, and
  <br>
I write 'd ttestudf_linux('var1','var2','var3','var4')'
  <br>
and get a message
  <br>
Syntax Error: Invalid Operand
  <br>
'ttestudf_linux' not a variable or function
  <br>
Error ocurred at column 1
  <br>
DISPLAY error:&nbsp; Invalid expression
  <br>
&nbsp;Expression = ttestudf_linux(100,annc1,100,annf161)
  <br>
  <br>
what am I doing wrong?
  <br>
  <br>
</blockquote>
<br>
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