MESystem.lua

local component = require('component')
local sides = require('sides')
local term = require('term')

--- Initialize our barrels
redstoneBarrel = component.proxy('532c4882-8999-4a6f-8771-42dca8e36479')
diamondBarrel = component.proxy('7ee6ccc8-1c81-4e1f-acaf-54397496ebfa')
cobblestoneBarrel = component.proxy('15d02141-62c4-4026-9fa3-8b766b3d47fe')

allBarrels = {}
allBarrels[diamondBarrel.getAllStacks()[2].all().display_name] = diamondBarrel
allBarrels[redstoneBarrel.getAllStacks()[2].all().display_name] = redstoneBarrel
allBarrels[cobblestoneBarrel.getAllStacks()[2].all().display_name] = cobblestoneBarrel

userChest = component.proxy('d6d5b397-6c3f-4291-9f3d-af2a67fcfd92')
redstoneBlock = component.proxy('5f2a5daf-d4d4-42e8-8125-a0a4778a87d7')


function printAllItems()
  for key,value in pairs(allBarrels) do print(key,value.getAllStacks()[2].all().qty) end
end

function pushItemToInventory(inventory_from, direction, slot_from,slot_to)
  inventory_from.pushItemIntoSlot(direction,slot_from,1,slot_to)
end
while true do
  term.clear()
  printAllItems()
  print("Item name:")
  requestedItem = io.read()
  if requestedItem == '' then do
    redstoneBlock.setOutput(sides.down,15)
  end
  print("Amount:")
  amount = io.read()
  allBarrels[requestedItem].pushItemIntoSlot(2,2,tonumber(amount),1)
end