I'm back to thinking there is an issue with ExternalDataFile
vs ExternalDataFileEx.  During validation ExternalDataFile works and
generates the required temp file.  However, during composition 

for (i=0;i<sf.records[0].length;i++)

causes sf.records[0] has no properties error.

RulesSystemGuide.pdf mentions ExternalDataFileEx and it's properties.
It doesn't mention a return type though.  The previous ExternalDataFile
method appears to return a array records.  But simply renaming the
function in the code to ExternalDataFileEx breaks the .records.  During
validation the code executes and even creates the necessary temp file.
However, it does not during coposition.  Causing File() ti use a HFS
path causes compostion to create the temp file but appears unable to
reassign it to FusionPro.Composition.inputFileName.  However, if I
comment out all my code and keep the temp file intact, and insert one
line

FusionPro.Composition.inputFileName = temp.txt

It works as expected.  I'm having a great deal of difficulty with this.
I'm using the provided documentation, but there appears to be some
differences that I just can't work out between validation and
composition.  I've decided to ignore validation.  But it does provide
the required output.  

-- 
Jon Molesa
[EMAIL PROTECTED]

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