Adv. Password Protected Door for Computer Craft

os.pullEvent = os.pullEventRaw -- Makes it so that a hacker can't shut down your program by holding Ctrl + T.

function clear() -- Creating a function that will clear the screen and reset the cursor.
 term.setCursorPos(1,1)
 term.clear()
end

clear()

local password -- Defines a string containing the password to be used in the door.
local termPass -- Defines a string containing the password needed to shutdown the program.
local openTime -- Defines an integer to be used to set how long the door will be open.
local availibleSides = {"top, ", "bottom, ", "left, ", "right, ", "front, ", "back", "\n"} -- Defines a table.
local redstoneOutputSide -- Defines a string to be used to set the output of a redstone signal.
local userInput -- Defines a string to be used with read().

print("Please define your desired password:") -- Prints the string defined by the quote marks.
password = read() --Setting the password string as whatever the user inputs.
clear() -- Calling the function I made.

print("Please define the password to be used to shut down the program.") -- Already explained.
termPass = read() -- Already explained.
clear() -- Already explained.

print("Please define the amount of time the redstone pulse will be activated:") -- Already explained.
openTime = tonumber(read()) -- Already explained.
clear() -- Already explained.

print("On which side will the redstone be activated?") -- Already explained.
print("Availbe sides are:") -- Already explained.
for i = 1, 7 do -- Loops through my tables and prints everything in it.
 write(availibleSides[i])
end
print("Please define a side:")
redstoneOutputSide = read() -- Already explained.
clear() -- Already explained.

while true do -- The actual password door.
 clear()
 write("Please input password: ")
 userInput = read("*")
 if userInput == password then
  clear()
  print("Password is correct! Opening door...")
  rs.setOutput(redstoneOutputSide, true)
  sleep(openTime)
  rs.setOutput(redstoneOutputSide, false)
 elseif userInput == termPass then
  print("Shutting down computer, please wait...")
  sleep(2) -- Waits.
  os.shutdown()
 else
  print("Password is incorrect! Rebooting program...")
  sleep(2) -- Waits.
 end
end