jarswitcher

local mapSideToTurtleFunction = function(side, turtleFunction)
    if string.lower(side) == "top" then
        return turtle[turtleFunction.."Up"]
    elseif string.lower(side) == "bottom" then
        return turtle[turtleFunction.."Down"]
    elseif string.lower(side) == "front" then
        return turtle[turtleFunction]
    end
end

local isAboveLevel = function(jar, switchAmount)
    local aspects = jar.getAspects()
    if not aspects then return false end
    return aspects[1].quantity > switchAmount
end

local isBelowLevel = function(jar, switchAmount)
    local aspects = jar.getAspects()
    if not aspects then return true end
    return aspects[1].quantity < switchAmount
end

local Args = {...} -- jarToReplace newJars oldJars (<|>)switchAmount

local pickUpJar = mapSideToTurtleFunction(Args[1], "dig")
local placeJar = mapSideToTurtleFunction(Args[1], "place")
local jar = peripheral.wrap(Args[1])
local dropJar = mapSideToTurtleFunction(Args[2], "drop")
local suckJar = mapSideToTurtleFunction(Args[3], "suck")
local checkLevel = 1

if string.sub(Args[4], 1, 1) == "<" then
    checkLevel = isBelowLevel
elseif string.sub(Args[4], 1, 1) == ">" then
    checkLevel = isAboveLevel
end

local switchAmount = tonumber(string.sub(Args[4], 2))

while true do
    if checkLevel(jar, switchAmount) then
        while not pickUpJar() do sleep(2) end
        sleep(1)
        while not dropJar() do sleep(2) end
        sleep(1)
        while not suckJar() do sleep(2) end
        sleep(1)
        while not placeJar() do sleep(2) end
    end
    sleep(5)
end