Computercraft door protect [updated!]

proname = shell.getRunningProgram()
sleep(1)
term.clear()
term.setCursorPos(1,1)
if not fs.exists("startup") then
print("Create startup...")
sleep(1)
shell.run("rename "..proname.." startup")
os.reboot()
end
if not fs.exists("Password") then
print("No Password exists !")
print("Pls enter your password")
password = read("*")
h = fs.open("Password","w")
h.write(password)
h.close()
print("Pls enter side for open door like left;right")
door = read()
h = fs.open("DoorOpen","w")
h.write(door)
h.close()
end
if fs.exists("Password") then
print("Pls enter Password:")
password = read("*")
h = fs.open("Password","r")
if password == h.readAll() then
print("Correct")
g = fs.open("DoorOpen","r")
door = g.readAll()
g.close()
h.close()
print("Open door:"..door)
redstone.setOutput(door, true)
sleep(1.25)
redstone.setOutput(door, false)
os.reboot()
else
print("Password is not Correct")
sleep(1)
os.reboot()
end
end