Re^2: A more elegant way to filter a nested hash?

And if the data in question comes from Hollerith cards, as they only used to do, consider keeping your cards sorted and grouped by column count and letting a CDC peripheral do the walking for you.

Comment on Re^2: A more elegant way to filter a nested hash?

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Re^3: A more elegant way to filter a nested hash? by jimpudar (Pilgrim) on May 31, 2018 at 20:37 UTC
Thankfully, the only place I've ever seen a punch card is at the Computer History Museum IBM 1401 Demo Lab :). The input data here is not XML or JSON based, just Perl hashes. Best, Jim πάντων χρημάτων μέτρον έστιν άνθρωπος.	[reply]