Here is basic logic for looping over an array or variables and checking if ANY of them meet some condition.
First set the overall result to FALSE. Then loop until you run out of elements or you find one that it TRUE.
data want;
set have;
array code [10] ;
any_a = 0;
do index=1 to dim(code) while (not any_a);
any_a = code[index] =: 'A';
end;
if ANY_A then output;
run;
You should explain what you mean by "combine". If you mean to place multiple values into one variable that is likely to become a variable that is extremely difficult to work with.
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