One good place to start is perlfaq4, specifically How do I sort a hash (optionally by value instead of key)?.

Another reference is the documentation for sort itself.

I'm not sure what you mean by sorting the array based on those keys in that order. Perhaps you could provide an example data structure before and after the sort?

In reply to Re: Sort Array of Hashes based on Hash value by chromatic
in thread Sort Array of Hashes based on Hash value by raflach

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