local args = { ... }
if #args < 1 then
    print("Usage: getBlocks <number>")
    return
end

numBlocks = tonumber(args[1])
if numBlocks == nil then
    print("Failed to parse number of blocks")
    return
end

print("Getting " .. tostring(numBlocks) .. " blocks")

for i = 1,numBlocks
do
    print(tostring(i) .. "...")

    --start casting
    redstone.setOutput("back", true)
    os.sleep(0.1) --just in case the turtles can act faster than 1 tick
    redstone.setOutput("back", false)

    while (not turtle.suck(1)) do
        os.sleep(0.1)
    end
end

print("Done!")