startup enclosed tree farm

--get this file: pastebin get ziBBd33L startup

--get installer: pastebin run fjSV9kHj
--install: installer installfile Kh5btMAA

os.loadAPI("theinsektAPIs/treefarm1")
os.loadAPI("theinsektAPIs/fileHelp")

function addWallsFrom(path,wallBlocks)
  if wallBlocks==nil then error("Error: param called wallBlocks are nil",2) end
  local wallBlocks0=fileHelp.loadLines(path)
  for key,value in pairs(wallBlocks0) do
    wallBlocks[value]=true
  end
end

print("running startup treefarm1")
local wallBlocks={}
addWallsFrom("wallBlockList",wallBlocks)

local limit=20
treefarm1.treeFarm(wallBlocks, 20)