rednet.open("back")
    --create 30 character long key
local random
function randomize()
  random = math.floor(math.random(36))
end
function generate()
 randomize()
charset = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'}

str = ""; --it has
for i = 1, 30 do
randomize()
str = str..charset[random]
end
createdir()
end
  --create directorys
function createdir()
print("creating user directorys")
  fs.makeDir("usernames/"..str)
  fs.makeDir("userpins/"..str)
  fs.makeDir("userbalance/"..str)
  fs.makeDir("accountlogs/"..str)
  reg()
end
  --request account info
function reg()
  print("input disk")
  event, side = os.pullEvent()
  if event == "disk" and side == "bottom" then
  print("enter name")
  name = read()
  print("enter pin")
  pin = read("*")
  adddata()
end
end
  --add account info to file
function adddata()  
print("adding data to user directorys")
    h = fs.open("usernames/"..str.."/name", "w")
      h.write(name)
    h.close()
  print("username done")
    h = fs.open("userpins/"..str.."/pin", "w")
      h.write(pin)
    h.close()
  print("user pin done")  
    h = fs.open("userbalance/"..str.."/balance", "w")
      h.write(100)
    h.close()
  print("user balance done")
    h = fs.open("accountlogs/"..str.."/transactionlogs", "w")
     h.write("| time | day | ammount | account |")
    h.close()
  print("account logs done")
  print(str)
    h = fs.open("disk/keycode", "w")
     h.write(str)
    h.close()
    disk.eject("bottom")
  print("account created")
end
function backup()
sleep(10)
print("done")
end --but it should have done an error after 10 secs,,, weird
while true do
  generate()
end