You know, paradigm, paradigmism, as in "It's a whole new paradigm". This particular snippet creates directories in order.
map {mkdir $DIR{$_}} 
   sort {length($DIR{$a}) <=> length($DIR{$b})} keys %DIR;

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In reply to Pascucci Paradigm for ordered operations on a homogenous hash (specificlaly, mkdir from hash) by JRPascucci

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