function contains_item(item_name)
    for i=1,16 do
        item=turtle.getItemDetail(i)
        if item~=nil then
            if item.name==item_name then
                return true
            end
        end
    end
    return false
end

function select_item(item_name)
    for i=1,16 do
        item=turtle.getItemDetail(i)
        if item~=nil then
            if item.name==item_name then
                turtle.select(i)
            end
        end
    end
end

if  turtle.detect() then
    turtle.turnRight()
    turtle.turnRight()
end
while true do
    print("I'm now running in 1 PB/Fillup")
    sleep(2)
    print("Anyway, put the patch/PB in my inventory and I will fill it up :3")

    can_run=false

    while can_run==false do
        can_run=true
        if contains_item("estrogen:estrogen_patches")==false then
            can_run=false
        end
        if contains_item("minecraft:golden_nugget")==true then
            select_item("minecraft:golden_nugget")
            if turtle.getItemCount()~=1 then
                can_run=false
            end
        else
            can_run=false
        end
        sleep(1)
    end
    print("Okay! I found it! I'm filling it up now!")
    sleep(3)
    shell.run("fill_patch.lua")
    print("There you go, have fun dashing!")
    print()
end