SAS Macro for multiple datasets -

i new sas. have 12(monthly data) data sets in folder. names of data sets are:

201401 201402 201403 ... 201411 201412 

each data contain 10 variables. variable names same data. want 3 variables among 10 , rename data new_201401 , on.

i trying manually using keep var1 var2 var3; there easy way or macro can make fast? in advance.

i think trick:

%macro keep(table,var1,var2,var3,set); data &table (keep=&var1 &var2 &var3); set &set; run; %mend keep;