startup

function getvar(text)
  term.clear()
  term.setCursorPos(1,1)
  print(text)
  var = read()
  return var
end


torch = getvar("use torches? y/n")
if torch == "y" then
  everyblocks = tonumber(getvar("place torch every how many blocks?"))
else
  everyblocks = 1
end
looksides = getvar("look for ore on sides? y/n")

for p=1, everyblocks do
  turtle.dig()
  turtle.forward()
  if looksides == "y" then
    turtle.turnRight()
    nope = false
    for i=1,3 do
      turtle.select(i)
      if turtle.compare() then
        nope = true
      end
      if i==3 and nope == false then
        turtle.dig()
      end
    end
  end
end