def validate
			if(folder1==nil) || (folder1=="") || !Dir.exists?(folder1)
				puts "a valid folder path is required as argument 1"
				exit
			end
					
			if(folder2==nil) || (folder2=="")  || !Dir.exists?(folder2)
				puts "a valid folder path is required as argument 2"
				exit
			end
			
		end
def validate
			if(folder1==nil) || (folder1=="") || !Dir.exists?(folder1)
				puts "a valid folder path is required as argument 1"
				exit
			end
					
			if(folder2==nil) || (folder2=="")  || !Dir.exists?(folder2)
				puts "a valid folder path is required as argument 2"
				exit
			end
			
		end
the format to output the results to. csv, html or json
initialize the class with the folders to be compared
 Validates the input ensuring the arguments are both valid folders