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Your problem is in the first map (or the last map reading left to right which is not how I think when I'm building a Schwartzian transform). The /.+,/ in
map { [ $_, /.+,/ ] }
is only returning the number of matches (or 1 in this case). As a result it should give you back the original list. If you're trying to sort on computed fields, you need to extract them first and _then_ bundle them up in the anonymous array.

So something like
map     { my @fields = split /,/; [ $_, $field[1] ] } might get you closer to what you're looking for.

Once you've mastered that, you'll next want to look at the Orcish manoeuvre which speeds up your sorts

Sometimes I can think of 6 impossible LDAP attributes before breakfast.

In reply to Re: schwartzian transform by Ea
in thread schwartzian transform by fionbarr

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