def set_as_path_prepend
      arr = []
      match = config_get('route_map', 'set_as_path_prepend', @get_args)
      if arr
        match.each do |line|
          next if line.include?('last-as')
          arr = line.strip.split
        end
      end
      arr
    end
def set_as_path_prepend
      arr = []
      match = config_get('route_map', 'set_as_path_prepend', @get_args)
      if arr
        match.each do |line|
          next if line.include?('last-as')
          arr = line.strip.split
        end
      end
      arr
    end
set as-path prepend 55.77 44 33.5
 set as-path prepend last-as 1