%macro filter(x)
data homework.test;
set homework.zdf2015;
%if _COL0 = &x ;
run;
%mend filter;

%include "d:\filter.txt";      /*txt文件中有批量的运行宏的语句，如 %filter（001）*/
run;
想问一下上述的宏中哪里出现了错误，求解求解~~