data bbb;
if 0 then set aaa;
array tmp $ _all_;
If _N_=1 then do;
aaa1=tranwrd("&aaa1","!"," !");
do i=1 to dim(tmp);
tmp(i)=scan(aaa1,i,"!");
end;
output;
aaa2=tranwrd("&aaa2","!"," !");
do i=1 to dim(tmp);
tmp(i)=scan(aaa2,i,"!");
end;
output;
end;
set aaa;
output;
drop aaa1 aaa2 i;
run;


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