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$s = undef;
@a = ();
%h = ();
$ perl -MDevel::Peek -e'
$s = "abc"; Dump $s;
REFCNT = 1
FLAGS = () <-- Var is undefined
PV = 0 <-- undef freed the buffer
1. Keep it simple
2. Just remember to pull out 3 in the morning
3. A good puzzle will wake me up
Many. I like to torture myself
0. Socks just get in the way
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