boneBuffer

barrel = peripheral.wrap("minecraft:barrel_0")
blockReader = peripheral.wrap("blockReader_0")
mobChest = peripheral.wrap("sophisticatedstorage:chest_0")

while true do
    boneBuffer = barrel.getIemDetail(1)
    if boneBuffer == nil then
        for i = 1, i <= mobChest.size() do
            item = mobChest.getIemDetail(i)
            if item then
                if item.name == "minecraft:bone" then
                    mobChest.pushItems("minecraft:barrel_0", i, 64, 1)
                end
            end
        end
    end
    sleep(5)
end