function [fileName, frontrear, sheetName] = selectSide(input); %input 1 is front, 2 is rear fileName = 'SuspensionData_Exported.xlsx'; if rem(input, 2) == 1 carSide = 'front'; FileData = load('M22H_FrontSuspension_Data.mat'); elseif rem(input, 2) == 0 carSide = 'rear'; FileData = load('M22H_RearSuspension_Data.mat'); else error('Error: %s is not a valid input', carSide) end;