FileManager

    -- pastebin get 14xf463S FileManager

    FM = {}

    function FM.getDiskByLabel(label)
        for _, side in ipairs(peripheral.getNames()) do
            if peripheral.getType(side) == "drive" then
                local disk = peripheral.wrap(side)
                if disk.getDiskLabel() == label then
                    return disk, disk.getMountPath()
                elseif disk.getDiskLabel() == nil and label == "Floppy Disk" then
                    return disk, disk.getMountPath()
                end
            end
        end
        return nil, nil
    end

    function FM.resetAllDisks()
        for _, side in ipairs(peripheral.getNames()) do
            if peripheral.getType(side) == "drive" then
                local disk = peripheral.wrap(side)
                local path = disk.getMountPath() .. "/"
                shell.run("delete " .. path .. "*")
                disk.setDiskLabel()
            end
        end
    end

    function FM.getTableSize(dataTable)
        return math.max(512, #textutils.serialize(dataTable, {compact = true}))
    end

    function FM.combineTables(t1, t2)
        for _, val in ipairs(t2) do
            table.insert(t1, val)
        end
        return t1
    end

    function FM.loadFile(filePath)
        if not fs.exists(filePath) then return nil end
        local file = fs.open(filePath, "r")
        data = file.readAll()
        file.close()
        return data
    end

    function FM.saveFile(data, filePath)
        local file = fs.open(filePath, "w")
        file.write(data)
        file.close()
    end

    function FM.saveTable(dataTable, filePath, extracted)
        local file = fs.open(filePath, "w")
        if not extracted then
            file.write(textutils.serialize(dataTable, {compact = true}))
        else
            file.write(textutils.serialize(dataTable))
        end
        file.close()
    end

    function FM.loadTable(filePath)
        if not fs.exists(filePath) then return {} end
        local file = fs.open(filePath, "r")
        local dataTable = textutils.unserialize(file.readAll())
        file.close()
        if dataTable == nil then return {} end

        return dataTable
    end

    function FM.getEmptyDiskAmount()
        local cnt = 0
        for _, side in ipairs(peripheral.getNames()) do
            if peripheral.getType(side) == "drive" then
                local disk = peripheral.wrap(side)
                if disk.getDiskLabel() == nil or label == "Floppy Disk" then
                    cnt = cnt + 1
                end
            end
        end
        return cnt
    end

    return FM