Your pattern might be described as "nZ*nnn", but when I 

my @data = unpack("nZ*nnn", $packet);
print Dumper(\@data);

[download]

$data[1] contains everything starting from the 6th byte, which indicate there is no \x00 in between.

In reply to Re: parsing Binary Structures using unpack by pg
in thread parsing Binary Structures using unpack by biovore

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