Undefined is a special *scalar* value. It makes no sense to call an array undefined, so that should read
print ( @rtnVal ? " not empty \n" : " empty \n" );

Whether getElementsByTagName returns an list or not is irrelevant. I was asking what did you want getCBLValue to return.

In reply to Re^3: defined or undef by ikegami
in thread defined or undef by kevind0718

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