sort returns a sorted list, so sort {$a->{ID} <=> $b->{ID} } @all_hashes (without the assignment) should be sufficient.

Not: Grossly uninformed post here. You'd want to say 

@sorted_all_hashes = sort {$a->{ID} <=> $b->{ID}} @all_hashes

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In reply to Re: Error in code - read-only value? by asarih
in thread Error in code - read-only value? by katgirl

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