I´m getting a date(Name: start) over a prompt and i dont know, if symexist work on dates, because i have some problems...   %macro test; %global Var; %if %symexist(start) = 1 %then %do; %let Var = startdate is DATE(%bquote('&start'));; %end; %else %if %symexist(start)= 0 %then %do; %let Var= no startdate; %end; %mend;   Edit:   %if %symexist(start) = 1 and %sysevalf(%superq(start)=,boolean) = 0 %then %do; & %if %symexist(start) = 1 and %sysevalf(%superq(start)=,boolean) = 1 %then %do;   That solved it. ... View more

I need to compare two strings from two macro variables, best in proc sql.   StringA = Cars Dog Cat StringB = Cars House Model Fish   If like in the example Dog and Cat didnt hit in StringB it has to be removed, so that StringA = Cars or %let NewString = Cars If nothing hits than %put something.   Is there a way or a function? ... View more