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Don't specify a dataset name, pick up its name from &syslast for subsequent steps. Of course if multiple datasets are created in the macro and the dataset names must be available outside the macro, you'll have to create multiple macro variables and then contend with the local/global issues.
data ;
a = 'asdf';
run;
proc print data=&syslast;
run;
-----Original Message-----
From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU]On Behalf Of Curt
Seeliger
Sent: Monday, February 28, 2005 1:57 PM
To: SAS-L@LISTSERV.UGA.EDU
Subject: Avoiding file name collisions in macros
Folks,
How are you avoiding data file name collisions in macros?
In days of yore, when my macros ran only one deep, I got away with
prepending the temporary file names with a couple underscores '__'.
These days, with macro calls often running several deep, I find myself
getting bit on occasion, making for some unnecesarily bothersome
debugging sessions. I could, given the time, simply add the name of the
macro which creates the temporary file name to that file name, a la:
%MACRO one;
data __oneTemp; ....
%MEND one;
%MACRO two;
data __twoTemp; ....
%MEND two;
%MACRO three;
%one;
data __threeTemp;....
%two;
%MEND three;
There's gotta be more elegant solutions though. Anyone?
cur
--
Curt Seeliger, Data Ranger
CSC, EPA/WED contractor
541/754-4638
seeliger.curt@epa.gov
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