unrelated to the Unix pack command, it can have the same effect, which matters if resources lack:
use Devel::Size qw(total_size);
my @aoa = map { [ int rand 1_000_000, int rand 20_000, chr 32 + int ra
+nd 40 ] } 0 .. 450_000;
my @aop = map { pack "l>s>A", @$_ } @aoa;
say "Unpacked: ", total_size (\@aoa);
say "Packed: ", total_size (\@aop);
=>
$ perl test.pl
Unpacked: 100800288
Packed: 28800128
Enjoy, Have FUN! H.Merijn
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