robotDig.lua

-- Robot program by Alexey Varenevich for OpenComputers (MC)
r = require("robot")
while true do
r.forward()
if r.detect() then
r.swing()
r.suck()
end
if not r.detectDown() then
r.placeDown()
end
if r.detectUp() then
r.swingUp()
r.suckUp()
end
end