Variable$: Difference between revisions
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Revision as of 09:09, 17 January 2012
The Variable$ internal function returns the name of the variable that failed in the last I/O statement. Besides being invaluable for debugging, Variable$ can be used as a topic to call Help$. Note: VARIABLE$ will not be set if the error results from the field specification (error numbers 850 through 890). Also, if the field is a calculation such as A+B, Variable$ will not be set.