def not_system_specific_scripts(system=None):
 all_scripts = [fil for syst in ALL_SYSTEMS for fil in system_specific_scripts(syst)]
 return list((set(all_scripts) - set(system_specific_scripts(system))))

def not_system_specific_scripts ( system = None ) : all_scripts = [ fil for syst in ALL_SYSTEMS for fil in system_specific_scripts ( syst ) ] return list ( ( set ( all_scripts ) - set ( system_specific_scripts ( system ) ) ) )
returns a list of all platform-specific scripts that are on other systems and not on this one .