Hello Everyone, I am Trying to Swap the values of first and last record using Temporary Arrays. data list; infile datalines dsd; input Num @@; datalines; 12, 35, 9, 56, 24 ; run; %Macro swap(); proc sql noprint; select Num into :Num1- from list; quit; Data result; set list; Array t[1:&sqlobs.] _TEMPORARY_; %do i=1 %to &sqlobs.; t[&i.]=&&Num&i.; %end; %if 1 %then %do; _i=t[1]; t[1]=t[5]; t[5]=_i; %end; run; %mend swap; %swap();   Can anyone please tell me how to store the Temporary Array values into a permanent Variable and get the final output as :- 24, 35, 9, 56, 12  Thanks.           ... View more