in reply to How can I populate attributes of a hash into another ?
Answering the question as expressed ("through reference"):
The only possibility to make %chapter act as a proxy for %book is using hash ties.
I won't go into details since this is certainly a XY problem!
Most probably you just need to copy
%chapter=(%chapter,%book)
Cheers Rolf
( addicted to the Perl Programming Language)
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