Turtle Multi Branch Mine

print("Turtle Multiple Branch Mine #1")

print("Name: ", os.getComputerLabel() )
print("Fuel Level: ", turtle.getFuelLevel())

function DigUp()
  print("Up")
  while turtle.detectUp()
    do turtle.digUp()
      sleep(0.4)
  end
  turtle.up()
end --of DigUp

-- Dig Foward
function DigFwd()
  print("Forward")
  while turtle.detect() do
    turtle.dig()
    sleep(0.4)
  end
  turtle.forward()
end -- of Dig Fwd

-- DigDwn
function DigDwn()
  print("Down")
  while turtle.detectDown()
    do turtle.digDown() end
  turtle.down()
end -- of DigDown

-- Place torch
function PlaceTorch()
  print("Place Torch")
  turtle.back()
  turtle.back()
  turtle.turnRight()
  turtle.select(16)
  turtle.placeUp()
  turtle.turnLeft()
  turtle.forward()
  turtle.forward()
end -- of PlaceTorch

-- Dig a Segment and place torch
function DigSegment(Length)
  for i=1,Length,1 do
    DigFwd()
    DigUp()
    DigFwd()
    DigDwn()
  end -- for loop for dig cycle
end -- DigSegment function

-- Turn Back
function TurnBack()
  turtle.turnLeft()
  DigFwd()
  DigUp()
  DigFwd()
  DigDwn()
  DigFwd()
  DigUp()
  turtle.down()
  PlaceTorch()
  turtle.turnLeft()
 end
-- End Turn Back function

-- Start Another Branch
function StartAnotherBranch()
	turtle.turnRight()
	turtle.forward()
	turtle.select(15)
	turtle.turnLeft()
	turtle.place()

	if turtle.detect()
		then
			for slot=1,14,1 do
				turtle.select(slot)
				turtle.drop()
			end -- for each slot in inventory
	end -- If chest placed

	turtle.turnRight()
	turtle.forward()
	turtle.forward()
	turtle.turnRight()
end -- function StartAnotherBranch

---------------------------
-- Main Program
NumSeg=2	-- Number of segments before turning back
SegLen=4  	-- Length of Segment between Torches
NumBranch=3 -- Number of Branches to Mine

for branch=1,NumBranch,1 do
	for seg=1,NumSeg,1 do
		DigSegment(SegLen)
		PlaceTorch()
	end -- Distance to dig forward

	TurnBack()

	for seg=1,NumSeg,1 do
		DigSegment(SegLen)
		PlaceTorch()
	end -- Distance to dig back toward start

	StartAnotherBranch()
end -- for each branch to mine