Robot Status - OpenComputers

--os.execute("pastebin get -f 4ZnZ2iXE status.lua")

local status = {}
status.__index = status;

status.current = ""

function status.set(value)
    if value ~= status.current then
        status.change(value)
    end
end

function status.change(value)
    io.write(value.."\n")
    status.current = value
end

return status