Sourceclose - Make Your Programs Closed Source!

function load(file)
  file = fs.open(file, "r")
  file2 = file.readAll()
  file.close()
  return file2
end

function write(file,text)
local code = [[local t = ""
for i = 1, #c do
  t = t .. string.char(c[i])
end
local f = assert(loadstring(t, shell.getRunningProgram()))
local env = {shell = shell}
setmetatable(env, {__index = _G})
setfenv(f, env)
f(...)
]]

  file = fs.open(file, "w")
  file.writeLine("local c = " ..text)
  file.writeLine(code)
  file.close()
end

local function ser (t)
  local text = "{"

  for i = 1, #t do
	text = text .. t[i] .. ","
  end

  return text .. "}"
end

function dump(file)
  local tab = {}

  for i = 1, #file do
	table.insert(tab, file:sub(i, i):byte())
  end

  return ser(tab)
end

function close(fileL, fileW)
  fileLoad = load(fileL)
  fileDump = dump(fileLoad)
  write(fileW, fileDump)
end

local fileLoad, fileWrite = ...

if fileLoad == nil or fileWrite == nil then
  print("Usage: " .. shell.getRunningProgram() .. " <sourceFile> <closedSourceFile>")
else
  close(fileLoad, fileWrite)
  print("Done!")
end