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Date:   Thu, 22 Aug 2002 12:11:34 -0400
Reply-To:   Gerhard Hellriegel <ghellrieg@T-ONLINE.DE>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   Gerhard Hellriegel <ghellrieg@T-ONLINE.DE>
Subject:   Re: macro code: How to check whether file is locked

One idea: you can refer to the physical file and try to FOPEN it with "O" (=Output)

filename a "c:\baba_arz.sas7bdat"; data test; x=fopen("a","O"); put x=; run;

if x=0 then the FOPEN was unsuccessful. Don't know if that works, but try it.

On Thu, 22 Aug 2002 17:34:52 +0200, Dietrich Alte <alte@UNI-GREIFSWALD.DE> wrote:

>Dear all, > >having tried with open and sysmsg - but not successful. > >How can I check before writing to a sas file (sas7bdat) in macro code, >whether this file is locked by some other user? > >TIA > >-- >----------------------------------------------------------------- > Dietrich Alte (Statistician, Dipl.-Stat.) > University of Greifswald - Medical Faculty > Institute of Epidemiology and Social Medicine > Walther-Rathenau-Str. 48, D-17487 Greifswald, Germany > Phone +49 (0) 3834 - 86 77 13, fax +49 (0) 3834 - 86 66 84 > Email > Institute > Study >-----------------------------------------------------------------

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