Minecraft - ComputerCraft - Turtle Simple Shearing

--Created by Wizard_Alfren--
--Created on 13 April 2020--
--Current as of 16 April 2020--
--This Lua script is for a Shearing Turtle--
--Place the turtle on the ground--
--The turtle will rotate 4 times in a clockwise direction using the EQUIPPED shears every 15 seconds--
--It does not require fuel or shears to be in the inventory--
--Place a chest on top of the turtle for item depositing--
term.clear()
term.setCursorPos(1,1)
print('Shearing...')
count = 0
iteration = 1
while true do
    i = 0
    while i ~= 4 do
        turtle.attack()
        turtle.turnRight()
        i = i + 1
    end
    ii = 1
    while ii ~= 17 do
        turtle.select(ii)
        if turtle.getItemCount() > 0 then
            if turtle.getItemDetail(ii).name == 'minecraft:wool' then
                count = count + turtle.getItemCount(ii)
                term.setCursorPos(1,3)
                term.clearLine()
                print('I\'ve collected',count,'wool so far!')
            end
        end
        turtle.dropUp()
        ii = ii + 1
    end
    term.setCursorPos(1,5)
    term.clearLine()
    print('Completed',iteration,'iteration(s)')
    iteration = iteration + 1
    sleep(60)
end