Does Progress 4GL have a function for testing whether a string is numeric, like PHP's is_numeric($foo) function?
I've seen the function example at http://knowledgebase.progress.com/articles/Article/P148549 to test if a character in a string is numeric. Looks like it has a typo, btw.
But I would think the language would be a built-in function for this.
Do not need a function can jsut do a straight conversion.
ASSIGN dNumber = DECIMAL(cNumber) NO-ERROR.
IF ERROR-STATUS:ERROR THEN
DO:
{Handle issues}
END.
or if it is always whole numbers can use INTEGER instead of DECIMAL.
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