Thanks guys for this answer. I guess I was overthinking it, and thinking
the checksum value was really a code. I will let him know to check that the
file was downloaded Binary, and that each transfer was really successful.

You've been a big help - as always!
Billy

On Mon, Jan 29, 2018 at 4:36 PM, Paul Gilmartin <
[email protected]> wrote:

> On Mon, 29 Jan 2018 15:04:45 -0600, John McKown wrote:
>
> >On Mon, Jan 29, 2018 at 2:41 PM, Bill Ashton wrote:
> >>
> >> He ran into an error using BPXBATCH for a PAX command, but could not
> find
> >> any documentation after searching on Google for nearly an hour. The
> error
> >> message looks like this - *pax: checksum error on tape (got #####,
> expected 0)*
> >
> >​I think this means that the PAX archive is corrupt. Did you ensure that
> >it's trail amongst all systems was a BINARY one?​
> >
> And use cksum(1) at all steps along that trail.
>
> >​I am not an expert on this, but I think that there is a "hash value"
> >(checksum) associated with the PAX archive. The PAX command which creates
> >the archive adds in some "extra" so that the overall checksum is zero. So,
> >
> That can be done only for a fairly weak checksum, else bitcoin would be
> very cheap.
>
> >IOW, the #### value does not have any real meaning, ... ​
> >
> >ref: http://pubs.opengroup.org/onlinepubs/009695299/utilities/pax.html
> >===
> >...
> >> and the ##### is some hex value, like eb0a or 1015b. He got this even
> >> though he wasn't even using tape - must be a standard message.
> >>
> They oughta fix that.  The Command Ref. uses "archive file"; the message
> should agree.
>
> -- gil
>
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-- 
Thank you and best regards,
*Billy Ashton*

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