function split(str, sep)
        if sep == nil then
                sep = "%s"
        end
        local t={} ; i=1
        for str in string.gmatch(str, "([^"..sep.."]+)") do
                t[i] = str
                i = i + 1
        end
        return t
end


local m = {}

function m.mpu_comp(frame)
	
  if not frame.args.list then
    return 'Error: Missing chip list to compare!'
  end
	
  local list = split(frame.args.list, ',')
  local s = ''
  
  for chip in pairs(list) do
    	s = s .. "<br>\n*" .. chip
  end
  
  return s
  
end

return m