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" questions to confirm my understanding about VarLen() fields. . . . You are correct - remember, just because a field is varying does not mean that it currently has no trailing blanks - so that kind of optimization would never be performed. Not quite sure what you're saying but I suspect you're wrong. Normally a varying field would have &amp;quot;lost&amp;quot; its trailing spaces when loaded. i.e. alpha1 = %TrimR(dataSource); You would therefore never need the %Trim when building the larger string - in fact it is a huge perf..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-l/201407/msg00897.html>