PIM Test.

local pim = peripheral.wrap('front')
local chest = peripheral.wrap('left')

-- Monitor Setup
local monitor = peripheral.wrap('top')
monitor.setTextScale(0.5)

function startCheck()
    if not pim then
        error('PIM not found')
    end

    if not chest then
        error('Chest not found')
    end

    if not stacks then
        error('No stacks found?')
    end
end

function initiate()
    startCheck()
    update()
end

function resetMonitor()
    monitor.clear()
    monitor.setCursorPos(1,1)
end

function newLine()
    local _,cY= monitor.getCursorPos()
    monitor.setCursorPos(1,cY+1)
end

function update()
    if ( pim.getInventorySize() > 0 ) then
        resetMonitor()
        local stacks = pim.getAllStacks()
        print(monitor)
        monitor.write('I am here')
        for name,stack in pairs(stacks) do
            print(stack.all().id)
            newLine()
            monitor.write(stack.all().id)
        end
        sleep(1)
    else
        print('Debug2');
        resetMonitor()
        monitor.write('No items found!')
        sleep(2)
    end
    update()
end

initiate()