Sorter

trashItems = {"minecraft:bow", "minecraft:leather_chestplate", "minecraft:leather_leggings", "minecraft:leather_boots", "minecraft:leather_helmet", "minecraft:chainmail_helmet", "minecraft:chainmail_chestplate", "minecraft:chainmail_leggings", "minecraft:chainmail_boots", "minecraft:iron_helmet", "minecraft:iron_chestplate", "minecraft:iron_leggings", "minecraft:iron_boots", "minecraft:golden_helmet", "minecraft:golden_chestplate", "minecraft:golden_leggings", "minecraft:golden_boots", "minecraft:iron_shovel", "minecraft:glass_bottle", "witchery:witchhand", "minecraft:potato", "minecraft:carrot"}

function trashItem()
  turtle.turnRight()
  turtle.drop()
  turtle.turnLeft()
end

function storeItem()
  turtle.turnLeft()
  turtle.drop()
  turtle.turnRight()
end

while true do
  for i=1,16,1 do

    turtle.select(i)
    data = turtle.getItemDetail()

    local trashed = false
    for i,item in pairs(trashItems) do

      if data and data.name == item then
        trashed = true
        trashItem()
        break
      end

   end

    if not trashed then
      storeItem()
    end

  end
end