And just an FYI, but the logical record lengths SAS reads can be up
to 16,777,215.
Michael
At 05:40 PM 1/25/2023, Kirk Wolf wrote:
ISTR that distributed SAS has an option to read binary byte stream
files with BDW+RDWs, which is what you would get if the program were
to produce a merged RECFM=U DCB.
Kirk Wolf
Dovetailed Technologies, LLC
http://coztoolkit.com
Dovetailed Technologies: +1 636.300.0901
Note: Our website and domain name have changed from dovetail.com to
coztoolkit.com
On Wed, Jan 25, 2023, at 4:23 PM, Andrew Rowley wrote:
> On 26/01/2023 7:24 am, Andrew N Wilt wrote:
>
> > The GDKUTIL utility does allow an Upload of something with
RECFM=U. This was done at the behest of a customer that was using
ftp to put SMF data out for processing by the SAS tool. Apparently,
they are able to decipher the RDW records resulting from uploading
a RECFM=VBS as a RECFM=U.
>
> I would be slightly surprised if SAS can't read VB records properly
> formatted with the RDW. RECFM U was a workaround for the problem where
> FTP stripped out the RDW. So GDKUTIL seems to be reproducing the
> brokenness of FTP, then providing the same workaround as a feature.
>
> It would be preferable if it retained the RDW in VB records by default.
> GDKUTIL seems new enough that the default could be changed without too
> much impact. I doubt there is anyone using variable length binary
> transfers currently who needs the data without the RDW. (However there
> might be people uploading data who haven't discovered the resulting data
> is unusable.)
>
> I have been working with SMF data myself for many years, and this
> problem with FTP causes a LOT of customer confusion and frustration.
>
> --
> Andrew Rowley
> Black Hill Software
>
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