MJRLegends Install Program

----------- Made BY MJRLegends (Please dont claim as your own code) -----------
version = "2.0.1"

--Main Programs
reactorProgram = "CJMFJUEb"
reactorProgramSmartHelmet = "GyZmQB4B"
tubineProgram = "jynMAHYQ"
tubineProgramSmartHelmet = "MYk7Nz45"
fusionreactorProgram = "pk8B7fAM"
newFusionreactorProgram = "5nCJ4QZb"
energyProgram = "RYN6uUf7"
thermalEvaporationProgram = "9txmi9Q4"
railcraftTanksProgram = "cN7scp9W"

--Other Programs
reactorSimpleProgram = "ktBqnfmn"
tubineSimpleProgram = "LWJ9SYw3"

latestVerions = "wL3rVUqN"
selection = 0
menu = "mainmenu"

function addToCurrentVersions()
    if fs.exists("versions.txt") then
        fs.delete("versions.txt")
    end
    if fs.exists("currentVersions.txt") then
        fs.delete("currentVersions.txt")
    end

    shell.run("pastebin get ".. latestVerions .." versions.txt")
    local latestVersions = {}
    file = fs.open("versions.txt","r")
    listElement = file.readLine()
    while listElement do
        table.insert(latestVersions,listElement)
        listElement = file.readLine()
    end
    file.close()
    shell.run("rm versions.txt")
    local file = fs.open("currentVersions.txt","a")
    file.writeLine(latestVersions[tonumber(selection)])
    file.close()
end

--Other Programs Menu
function otherPrograms()
    selection = 0
    term.clear()
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.blue)
    term.setCursorPos(1,1)
    term.write("MJRLegends Other Programs!")
    term.setTextColor(colors.cyan)
    print("")
    print("Enter a number for the program you want to install:")
    term.setTextColor(colors.white)
    print("1 - Simple Display Reactor Info (Monitor Edition)")
    print("2 - Simple Display Turbine Info (Monitor Edition)")
    term.setTextColor(colors.blue)
    print("3 - Back to Main Menu")
    term.setTextColor(colors.cyan)

    selection = read()
    --Choice depending on what the user types
    if selection == "1" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. reactorSimpleProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
    elseif selection == "2" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. tubineSimpleProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
    elseif selection == "3" then
        selection = 0
        mainMenu()
    else
        print("Unknown Program!")
    end
end

function mainMenu()
    if selection == 0 then
        -- Main Menu
        term.clear()
        term.setBackgroundColor(colors.black)
        term.setTextColor(colors.blue)
        term.setCursorPos(1,1)
        term.write("Welcome to MJRLegends Install Program! V" .. version)
        term.setTextColor(colors.cyan)
        term.setCursorPos(1,2)
        print("Enter a number for the program you want to install:")
        term.setTextColor(colors.white)
        print("1 - Reactor Management(BR/Monitor Edition)")
        print("2 - Reactor Management(BR/Smart Helmet Edition)")
        print("3 - Turbine Management(BR/Monitor Edition)")
        print("4 - Turbine Management(BR/Smart Helmet Edition)")
        print("5 - Fusion Reactor Management(Mekanism 8)")
        print("6 - Fusion Reactor Management(Mekanism 9+)")
        print("7 - Energy Management")
        print("8 - Thermal Evaporation Display (Mekanism 9+)")
        print("9 - RailCraft Tanks Display")
        term.setTextColor(colors.yellow)
        print("10 - Versions")
        term.setTextColor(colors.lime)
        print("11 - Other Programs")
        term.setTextColor(colors.cyan)

        selection = read()
        term.setTextColor(colors.white)
    end
    --Choice depending on what the user types
    if selection == "1" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. reactorProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "2" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. reactorProgramSmartHelmet .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "3" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. tubineProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "4" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. tubineProgramSmartHelmet .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "5" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. fusionreactorProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "6" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. newFusionreactorProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "7" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. energyProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "8" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. thermalEvaporationProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "9" then
        if fs.exists("startup") then
            fs.delete("startup")
        end
        shell.run("pastebin get " .. railcraftTanksProgram .. " startup")
        print("Installed!")
        print("Restart the computer using (Ctrl + R)!")
        addToCurrentVersions()
        return
    elseif selection == "10" then
        if fs.exists("versions.txt") then
            fs.delete("versions.txt")
        end

        --See Latest versions
        shell.run("pastebin get ".. latestVerions .." versions.txt")
        local latestVersions = {}
        file = fs.open("versions.txt","r")
        listElement = file.readLine()
        while listElement do
            table.insert(latestVersions,listElement)
            listElement = file.readLine()
        end
        file.close()
        term.clear()
        term.setTextColor(colors.blue)
        term.setCursorPos(1,1)
        term.write("Latest Versions")
        yLevel = 2
        for i,v in pairs(latestVersions) do
            if (yLevel % 2 == 0) then
                term.setTextColor(colors.yellow)
            else
                term.setTextColor(colors.lime)
            end
            term.setCursorPos(1,yLevel)
            term.write(v)
            yLevel = yLevel + 1
        end
        yLevel = yLevel - 1
        --See Current versions
        if fs.exists("currentVersions.txt") then
            yLevel = yLevel + 1
            term.setTextColor(colors.blue)
            term.setCursorPos(1,yLevel)
            term.write("Current Versions")
            yLevel = yLevel+1
            local currentVersions = {}
            file = fs.open("currentVersions.txt","r")
            listElement2 = file.readLine()
            while listElement2 do
                table.insert(currentVersions,listElement2)
                listElement2 = file.readLine()
            end
            file.close()

            for i,v in pairs(currentVersions) do
                term.setTextColor(colors.yellow)
                term.setCursorPos(1,yLevel)
                term.write(v)
                yLevel = yLevel + 1
            end
            print()
        end
        print()
        term.setTextColor(colors.blue)
        print("1 - Back to Main Menu")
        selection = 0
        selection = read()
        if selection == "1" then
            selection = 0
            mainMenu()
        end
    elseif selection == "11" then
        otherPrograms()
    else
        print("Unknown Program!")
    end
end

if selection == 0 then
    mainMenu()
end