in reply to Re^2: Dollar Bracket Star ${*...}
in thread Dollar Bracket Star ${*...}

$a is a special variable. Don't use it for anything else.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

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Re^4: Dollar Bracket Star ${*...}
by cavac (Prior) on Jan 11, 2022 at 18:03 UTC

    Whooops. Good catch, thanks!

    perl -e 'use Crypt::Digest::SHA256 qw[sha256_hex]; print substr(sha256_hex("the Answer To Life, The Universe And Everything"), 6, 2), "\n";'