A small helper for CC: Tweaked.

main.lua

--- The block manipulator peripheral that will be used to work with the other
--- blocks.
local manipulator = nil

--- The RFTools Crafter Tier 3 peripheral.
local crafter = nil

--- The Storage Drawer peripheral that will store overflowing items.
local overflow_drawer = nil

--- The ProjectE Energy Condenser Mk2 peripheral.
local condenser = nil

local function setup()
    manipulator = peripheral.find("manipulator")
    if not manipulator then
        printError("Error: no manipulator peripheral found!")
        return false
    end
    local hasScanner = manipulator.hasModule("plethora:scanner")
    if not hasScanner then
        printError("Error: manipulator peripheral is missing the block scanner module!")
        return false
    end
    local scannedBlocks = manipulator.scan()
    for _, block in pairs(scannedBlocks) do
        if block.name == "rftools:crafter3" then
            crafter = block
        elseif block.name == "storagedrawers:basicdrawers" then
            print("Found storage drawer: ")
            print(textutils.serialise(block, { compact = false }))
        end
    end
    return true
end

local function main()

end

local setupOk = setup()
if setupOk then
    main()
else
    printError("Error: setup failed, aborting!")
end