Data Prep Sheet

data _null_; set sashelp.cars; file '/tmp/cars.csv' dsd dlm=','; if _n_ = 1 then do; declare char(32) _all_vars_; rc = dopen('ind'); do i = 1 to dnum(rc); _all_vars_ = cats(_all_vars_, ',', dread(rc, i)); end; put _all_vars_; end; put (_all_)(~); run;