newline

args = {...}
dir=args[1]
len=tonumber(args[2]) or 1
cmd=args[3]
if dir=="right" then
    turtle.turnRight()
end
if dir=="left" then
    turtle.turnLeft()
end
for ii=1,len,1 do
    turtle.forward()
end
if dir=="right" then
    turtle.turnRight()
end
if dir=="left" then
    turtle.turnLeft()
end

if cmd then
    shell.run(cmd)
end