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A little macro might help:
data PEGT3;
input var1 var2 var3;
datalines;
1 2 3
4 5 6
7 8 9
;
proc print data=PEGT3;
run;
%macro Rename(n);
%global rename;
%let rename=;
%do i=1 %to &n;
%let rename=&rename var&i=var&i.__3;
%end;
%mend;
%Rename(3);
DATA PEGT3A;
SET PEGT3;
RENAME &rename;
RUN;
proc print data=PEGT3A;
run;
***** Output *****
The SAS System 11:12
Tuesday, April 17, 2007 30
Obs var1 var2 var3
1 1 2 3
2 4 5 6
3 7 8 9
The SAS System 11:12
Tuesday, April 17, 2007 31
Obs var1__3 var2__3 var3__3
1 1 2 3
2 4 5 6
3 7 8 9
-----Original Message-----
From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of
Sophia Tong
Sent: Tuesday, April 17, 2007 1:08 PM
To: SAS-L@LISTSERV.UGA.EDU
Subject: Can I use array to rename variables?
I have a set of variables need to be renamed, I tried the following code
and get error message, not sure if it's not feasible or just simply a
syntax error.
Please offer your expertise,Many thanks in advance.
%LET NAME=var1 var2 ....varn;
DATA PEGT3A;
SET PEGT3;
ARRAY VARN [*] &NAME;
DO I=1 TO DIM(VARN);
RENAME VARN[I]=VARN[I] || '__'||3;
END;
RUN;
LOG:
RENAME VARN[I]=VARN[I] || '__'||3;
-
22
76
ERROR 22-322: Syntax error, expecting one of the following: -, :, =.
ERROR 76-322: Syntax error, statement will be ignored.
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