View difference between Paste ID: x7BKvj2H and peCQzp0E

     -- This is my ComputerCraft eMail client code.
     -- if you want the server, goto http://pastebin.com/FC1Lp6qH
     local tArgs = { ... }
-	rednet.open("right")
+	local function openRednet()
 local listOfSides = rs.getSides()
 local listofPossibles = {}
 local counter1 = 0
 while true do
   counter1 = counter1 +1
 
   if peripheral.isPresent(tostring(listOfSides[counter1])) and peripheral.getType(listOfSides[counter1]) == "modem" then
    table.insert(listofPossibles,tostring(listOfSides[counter1]))
   end
 
   if counter1 == 6 and table.maxn(listofPossibles) == 0 then
    print("no wifi present")
    return nil
   end
 
   if counter1 == 6 and table.maxn(listofPossibles) ~= 0 then
    rednet.open(listofPossibles[1])
    return listofPossibles[1]
   end
 end
 end
 modemOn = openRednet()
     if tArgs[1] == "read" then
 	rednet.broadcast(tArgs[2])
     a, messagep = rednet.receive(1)
     if messagep == null then
     else
     print("You've Got Mail!")
     print("------------------")
     print(messagep)
     end
 	else if tArgs[1] == "send" then
     rednet.broadcast("sendmail")
     write("To: (in ID) ")
     input = read()
     rednet.broadcast(input)
     print("Message body:")
     input = read()
     rednet.broadcast(input)
     else
 	print("Usage:")
     print("mail read (mailid)")
 	print("mail send")
 end
 end