Minecraft CC (ALL) Owner (set:get)w

local args = {...}
local users = {
["Shane"] = 1,
["Epuuc"] = 1,
["Callym"] = 2,
["SalsaChips_"] = 2,
["Nathan"] = 3,
["hatman543211"] = 3,
["Phoenix"] = 4,
["BallaSteve"] = 4,
["Kai"] = 5,
["INSERTKAIUSERNAME"] = 5,
["AJ"] = 6,
["Dogmatix2008"] = 6,
["Evan"] = 7,
["DessiForm"] = 7,
["Jordan"] = 8,
["coolkid7103"] = 8,
}
local function setFileContents(filename,content)
    if not fs.exists("/data") then
        print("data doesn't exist")
        fs.makeDir("/data")
    end
    if not content or content == "" then
        fs.delete("/data/"..filename)
        return
    end
    local file = fs.open("/data/"..filename,"w")
    file.write(content)
    file.close()
    return true
end
local function getFileContents(filename)
    if not fs.exists("/data") or not fs.exists("/data/"..filename) then return false end
    local file = fs.open("/data/"..filename,"r")
    local content = file.readAll()
    file.close()
    return content
end

if not args[1] then print("arg 1 missing or nil") return end
if args[1] == "set" and not args[2] then print("arg 2 missing or nil") return end
if args[1]:lower() == "get" then
    if getFileContents("owner") and getFileContents("owner") ~= "" then
        print(getFileContents("owner"),"is the owner of this computer")
    else
        print("There is no owner for this computer")
    end
end
if args[1]:lower() == "set" then
    local nameid = users[args[2]]
    if not nameid then nameid = 9 end
    setFileContents("owner",args[2].."_"..nameid)
    print("Owner set to:",args[2].."_"..nameid)
end