Date: Thu, 20 Dec 2001 10:59:59 +0100
Reply-To: Peter Crawford <peter.crawford@DB.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: Peter Crawford <peter.crawford@DB.COM>
Subject: Re: Update a flatfile "in place"? - Thank You!
Content-type: text/plain; charset=iso-8859-1
It is impressive how quickly a question comes to SAS-L and is
resolved. This one arrived/discussed/argued/and concluded
between the time I left this office yesterday, and my arrival today
- nice to have normal hours (9-6)... :-)
So this contribution seems a bit late, but I hope the warning may
I use the sharebuffers option ( under the common misunderstanding
that it was needed for "update in place" ) on both winXX (sas v6.08 - v8.2)
and on ibm-aix (sas v8.1) platforms ( to update just the altlog files
number in my config file). That was/is very successful. However,
I was very disappointed to find the same technique on OS/390 just
corrupts the file !
(ok I haven't tried again since updating to v8 )
- but, beware !
- assumptions of common file handling on two platforms
need not guarantee multi-platform consistency !.
regards to the (high-speed) -L
Datum: 20/12/2001 01:27
Antwort an: Abe Anon <abe_anon@HOTMAIL.COM>
Betreff: Re: Update a flatfile "in place"? - Thank You!
Many thanks to those who replied to my question on how to update a flatfile
in place: David Cassell, Paul Dorfman, Sean Meldrum, David Ward, and others
who responded off-list.
The definitive answer was supplied by Paul Dorfman, relayed by David Ward. I
won't repeat it here, but would just like to mention that there was a lot of
confusion over the SHAREBUFFERS option. Many thought that this option is
what enabled the update in place to occur. Mr. Dorfman points out that
SHAREBUFFERS is not necessary, it just saves a bit of memory.
See the post for the details, or search the SAS online doc for "Updating
External Files in Place", or see the Version 6 SAS Language manual, example
4 under the INFILE statement.
Again, many thanks to al lwho replied.
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