Create or Alter Procedure Block Auto Replace

IF OBJECT_ID('<object name, sysname, dbo. >') IS NULL -- Check if SP Exists
 EXEC('CREATE PROCEDURE <object name, sysname, dbo. > AS SET NOCOUNT ON;')
GO

ALTER PROCEDURE <object name, sysname, dbo. > -- Alter the SP Always 
--PARAMETERS HERE
AS 
BEGIN
SET NOCOUNT ON


END

GO