def show_current(name):
 try:
  return _read_link(name)
 except OSError:
  log.error('alternative: {0} does not exist'.format(name))
 return False

def show_current ( name ) : try : return _read_link ( name ) except OSError : log . error ( 'alternative: {0} does not exist' . format ( name ) ) return False
display the current highest-priority alternative for a given alternatives link cli example: .