AppliedEnergetics and CC Project

local uTable = {
393 = "player1",
394 = "player2",
395 = "player3",
396 = "player4",
397 = "player5",
398 = "player6"
}
local i = 60

write("ID: ")
ID = read()
write("Password: ")
pass = read('*')
if uTable[ID] == pass then
  print("Welcome! Here is your items, "..ID.."!")
  sleep(2)
else --uTable[ID] ~= pass then
  print"ID/Password Combination is wrong!"
  sleep(5)
  --os.shutdown()
end
if ID == 393 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(393, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(393, Off)
  os.shutdown()
elseif ID == 394 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(394, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(394, Off)
  os.shutdown()
elseif ID == 395 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(395, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(395, Off)
  os.shutdown()
elseif ID == 396 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(396, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(396, Off)
  os.shutdown()
elseif ID == 397 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(397, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(397, Off)
  os.shutdown()
elseif ID == 398 then
  shell.run"clear"
  rednet.open("back")
  rednet.send(398, On)
  print"Connection Open."
  sleep(1)
  repeat
  shell.run("clear")
  print("Connection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  shell.run("clear")
  print"Connection Closed!"
  rednet.send(398, Off)
  os.shutdown()
else
  print"Error!"
end

local uTable = {
["393"] = "player1",
["394"] = "player2",
["395"] = "player3",
["396"] = "player4",
["397"] = "player5",
["398"] = "player6"
} --[[ each key is a string you're looking for as that's the username you're typing, so you need to put square brackets around it and quotes inside of that as you are looking for it.']]
function main() -- a function called main, which is a block of code that contains the other bits of code
local i = 60
term.clear() -- clears the screen
term.setCursorPos(1,1) -- moves the cursor to the top left as it normally would if you were to run the program clear
print("ID: ")
write("Password: ")
term.setCursorPos(5,1) -- sets the spot where you input your username to be after ID:
local ID = read() -- you should really define these as local variables.
term.setCursorPos(11,2) -- sets the spot where you input the password after Password:
local pass = read('*')
if uTable[ID] === pass then -- you're looking in your table for what you inputed as the ID so if i put in 393 it would look for uTable["393"] which is defined in the table above as the pass being "player1"'
  print("Welcome! Here are your items, "..ID.."!") -- i'm a grammar nazi, it should be here ARE not here IS
  sleep(2)
elseif uTable[ID] ~= pass then -- this should be an elseif because you're looking for a condition to match rather than if all else fails.
  print("ID/Password Combination is wrong!") -- print is a function and as so you need ()
  sleep(5)
  main() -- restarts the function so that it can keep going.
end
term.clear()
term.setCursorPos(1,1) -- i prefer doing this rather than shell.run("clear") just because i am more used to it.
  rednet.open("super")
  local compID = tonumber(ID) -- Making a variable called CompID to be the ID they entered.
  rednet.send(compID, "On") -- You need quotes for strings
  print("Connection Open.") -- i am not going to stress this enough, for print and many many many many MANY other things you need the parenthesis () or it WILL NOT work.
  sleep(1)
  repeat
  term.clear()
  term.setCursorPos(1,1)
  print("Conection Will close in "..i.." secs.")
  sleep(1)
  i = i - 1
  until i == 0
  term.clear()
  term.setCursorPos(1,1)
  print("Connection Closed!) -- () needed
  rednet.send(compID, "Off") -- the second part is a string, so it needs ""
  main()
end -- ends the function main() you need this after every function you create
main() -- after having the program load the function main() and know what it is, you start it up by typing main()
-- There your entire code is cleaned up and running.