skullspawn

shell.run("nbt")
p=peripheral.wrap("left")
world=p.getWorld(0)

function chest(x,y,z,SkullName)
-- Create a chest
world.setBlockWithoutNotify(x, y, z, 54, 0)

-- Get an NBT table representing the contents of the chest
local te = world.getTileEntity(x, y, z)
local nbt = readTileNBT(te)

-- Add a stack of bedrock in slot 0
table.insert(nbt.value.Items.value, {type="compound", value={id={type="short", value=397}, Count={type="byte", value=1}, Damage={type="short", value=3}, Slot={type="byte", value=0},tag={type="compound", value={SkullOwner={type="string",value=SkullName}}}}})

writeTileNBT(te, nbt)
end

while true do
ev,name,msg=os.pullEvent("chat_message")
if msg:sub(1,6)=="/skull" and msg:sub(8)~=nil then
user=p.getPlayerByName(name)
ent=user.asEntity()
x,y,z=ent.getPosition()
chest(x,y,z,msg:sub(8))
end
end