tst

local arg = {...}
dir = arg[1]
file = arg[2]
file = fs.open(dir .. "/" .. file, "r")
local fileData = {}
local line = file.readLine()
x = 1
repeat
table.insert(fileData, line)
line = file.readLine()
x = x + 1
until line == nil
file.close()
for i=1, x-1 do
  op = tonumber(fileData[i])
  if op == -1 then
    turtle.back()
  elseif op == 0 then
    turtle.forward()
  elseif op == 1 then
    turtle.turnRight()
  elseif op == 2 then
    turtle.turnLeft()
  else
    print("unkown op: " .. op)
  end
end