> irb(main):001:0> a = [0, 0, 0, 6]
> => [0, 0, 0, 6]
> irb(main):002:0> x = a.pack("C*")
> => "\000\000\000\006"
> irb(main):003:0> x.unpack "N"
> => [6]
>
> For convenience, I wrote a set of object-oriented wrappers around
> pack/unpack. See bit-struct on raa.

Ah, thanks.  I noticed the "V" as I searched for "endian" in the docs,
but I missed the "N". Should have searched on "byte order".  Thanks...