data survey;
input id diet exer hours xwk educ;
datalines;
1 1 . 1 3 1
1 . 2 1 4 2
1 . 4 . . .
1 1 5 2 3 .
2 . 9 2 3 .
2 5 9 2 4 .
2 . 3 . 5 3
3 2 . . . .
;
proc sql noprint;
select distinct name into : var_list separated by " "
from dictionary.columns
where libname="WORK" and memname="SURVEY" and upcase(name) ne "ID";
quit;
%put &var_list;


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