in reply to Sliding window revisited: Is it OK to make it so?

Seems OK. Cf. Matching in huge files.
map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

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Re^2: Sliding window revisited: Is it OK to make it so?
by karlgoethebier (Abbot) on Jul 20, 2019 at 08:51 UTC
    "...OK..."

    Thanks for absolution and especially for the hint in the CB. See also my reply to LanX below. Best regards, Karl

    «The Crux of the Biscuit is the Apostrophe»

    perl -MCrypt::CBC -E 'say Crypt::CBC->new(-key=>'kgb',-cipher=>"Blowfish")->decrypt_hex($ENV{KARL});'Help