how to import multiple excel files into sas?
['Hard code the SAS program you are keen to make efficient with a macro.', 'Ensure the code in step 1 runs correctly.', 'Add a macro. ... ', 'Name your macro. ... ', 'End the macro. ... ', 'Place code from step 1 between %macro MyfirstMacro; and %mend; ... ', 'Run Step 6.']