You are right about the scope and actually for my purposes it is not necessary. I shouldn't have included the die at the end as it's output and the modified hash structure is not required. Sorry.

perldoc says "The foreach loop iterates over a normal list value and sets the scalar variable VAR to be each element of the list in turn." So I was expecting to be able to use a hash reference as VAR. It doesn't mention aliasing. But as you say, the answer does appear to be No.

In reply to Re^2: You can't assign $_ to a hash in a foreach statement by markdibley
in thread You can't assign $_ to a hash in a foreach statement by markdibley

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