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Date:         Thu, 5 Feb 1998 00:12:56 -0000
Reply-To:     Jeff Tomlinson <Jeff@KITTSOFT.DEMON.CO.UK>
Sender:       "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From:         Jeff Tomlinson <Jeff@KITTSOFT.DEMON.CO.UK>
Subject:      Re: Question:  AF/SCL Variable for Windows E
Comments: To: Donalee Wanna <>
Content-Type: text/plain; charset="iso-8859-1"

-----Original Message----- From: Donalee Wanna <dwanna@DEKALB.COM> Newsgroups: To: SAS-L@VM.MARIST.EDU <SAS-L@VM.MARIST.EDU> Date: 04 February 1998 18:00 Subject: Question: AF/SCL Variable for Windows E

>Hi All, > >I have a quick question I hope you can help with. This project that I am >working on requires us to look at a file in c:\windows. However, we just >discovered that on NT the directory is called something different. Now we >have to try to have our SCL look for this file in where ever the windows >system is found. Do you know how to call the system variable (and what ever >that would be) which is set for this? > >Maybe to help clarify this, here is the current code: > >INIT: > length expid $6 and so on; > call wname('Test'); > protect _all_; > call symput('endsas','endsas'); > rc=optsetn('xwait',0); > windir='c:\windows'; *here is the problem; > if not fileexist(windir || '\abc.ini') then do; > call display('massage.frame', 'File not found.','ERROR'); > end; > > >As you can see if there is not a c:\windows, then there is an error. HELP > >Thanks, >Donalee Wanna >DEKALB Genetics Corp. >phone: 815/758-9174 >e-mail:

Well ... from a DATA step I would use a MODULE function to call the GetWindowsDirectoryA windows function :- filename sascbtbl 'sascbtbl.dat'; data _null_; length windir $200; n = modulen("*ie", "KERNEL32,GetWindowsDirectoryA", windir, 199); put n= windir=; run;

the SASCBTBL.DAT file contains the definition of the "GetWindowsDirectoryA" Windows function :-

routine GetWindowsDirectoryA minarg=2 maxarg=2 stackpop=called returns=long; arg 1 update format=$cstr200.; arg 2 input byvalue format=pib4.;

The when run on Win 95 the log file contains :- 193 194 filename sascbtbl 'sascbtbl.dat'; 195 data _null_; 196 length windir $200; 197 n = modulen("*e", "KERNEL32,GetWindowsDirectoryA", windir, 199); 198 put n= windir=; 199 run; NOTE: Variable WINDIR is uninitialized. N=10 WINDIR=C:\W95OSR2 NOTE: The DATA statement used 0.05 seconds.

And on Windows NT 1 2 filename sascbtbl 'f:\sas\sascbtbl.dat'; 3 data _null_; 4 length windir $200; 5 n = modulen("*e", "KERNEL32,GetWindowsDirectoryA", windir, 199); 6 put n= windir=; 7 run; NOTE: Variable WINDIR is uninitialized. N=8 WINDIR=D:\WINNT NOTE: The DATA statement used 1.29 seconds.

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