Reactor Startup

-- ****************************************************** --
-- ****************************************************** --
-- **             Reactor Control Start                ** --
-- **                 for Big Reactor                  ** --
-- **              Written by CJ Wayland               ** --
-- ****************************************************** --
-- ****************************************************** --

--pastebin get uxt8RnbW startup

local args = { ... }
local programName = "reactorControl"
local programCode1 = "MLBY1YPY"
local programCode2 = "4E7QiqMu"
local testProgram = "waz7N1Eh"
local testNew = "rTmdSTWY"

--for a on and off code codeVersion = 1
--for a control rod code codeVersion = 2
--for a test code codeVersion = 3
--for a new test codeVersion = 4
local codeVersion = 1

 --if it already exists then don't load again
 --load again if asked to update
if (fs.exists(programName) == false or args[1] == "update") then
    shell.run("rm " .. programName)
    if(codeVersion == 1) then
        shell.run("pastebin get " .. programCode1 .. " " .. programName)
    elseif(codeVersion == 2) then
        shell.run("pastebin get " .. programCode2 .. " " .. programName)
    elseif(codeVersion == 3) then
        shell.run("pastebin get " .. testProgram .. " " .. programName)
    elseif(codeVersion == 4) then
        shell.run("pastebin get " .. testNew .. " " .. programName)
    end
end

print("Starting Reactor Program")
shell.run(programName)