Also be aware that there is a difference between checking if a hash value is "defined" vs "exists". It has to "exist" in order to be "defined". 
if ( exists $RSubtree{$curuser}{$$keyptr} ) 
   { $datapos = $RSubtree{$curuser}{$$keyptr}; }

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In reply to Re^2: How to eliminate warning message on hash value? by Marshall
in thread How to eliminate warning message on hash value? by flexvault

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