From 6232bf5180d51f0f0eea24fb5ddc59363fe76c8c Mon Sep 17 00:00:00 2001
From: Ollo <Ollo@host>
Date: Sat, 13 Feb 2021 15:11:42 +0100
Subject: [PATCH] Use table syntax to work with >lines<

---
 telnet.lua | 66 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 35 insertions(+), 31 deletions(-)

diff --git a/telnet.lua b/telnet.lua
index 9bac3bc..8138adb 100644
--- a/telnet.lua
+++ b/telnet.lua
@@ -1,36 +1,40 @@
+-- Telnet client 
+local telnetClient=nil
+lines = {}
 -- Telnet Server
 function startTelnetServer()
     s=net.createServer(net.TCP, 180)
     s:listen(23,function(c)
-    global_c=c
-    printlines = {}
-    function s_output(str)
-      if(global_c~=nil) then
-        if #printlines > 0 then
-            printlines[ #printlines + 1] = str
-        else
-            printlines[ #printlines + 1] = str
-            global_c:send("\r") -- Send something, so the queue is read after sending
-        end
-      end
-    end
-    node.output(s_output, 0)
-    c:on("receive",function(c,l)
-      node.input(l)
+	    telnetClient=c
+	    function s_output(str)
+	      if (telnetClient ~= nil) then
+		if (#lines > 0) then
+		    table.insert(lines, str)
+		else
+		    table.insert(lines, str)
+		    telnetClient:send("\r") -- Send something, so the queue is read after sending
+		end
+	      end
+	    end
+	    node.output(s_output, 0)
+	    c:on("receive",function(c,l)
+	      node.input(l)
+	    end)
+	    c:on("disconnection",function(c)
+	      node.output(nil)
+	      telnetClient=nil
+	    end)
+	    c:on("sent", function()        
+		if (#lines > 0) then
+		  local localstr = table.remove(lines, 1)
+		  print( tostring(localstr) )
+		  telnetClient:send(localstr)
+		end
+	    end)
+	    print("Welcome to the Wordclock.")
+	    print("- mydofile(\"commands\")")
+	    print("- storeConfig()")
+	    print("Visite https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en for further commands")
     end)
-    c:on("disconnection",function(c)
-      node.output(nil)
-      global_c=nil
-    end)
-    c:on("sent", function()        
-        if #printlines > 0 then
-          global_c:send(table.remove(printlines, 1))
-        end
-    end)
-    print("Welcome to the Wordclock.")
-    print("- mydofile(\"commands\")")
-    print("- storeConfig()")
-    print("Visite https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en for further commands")
-    end)
-    print("Telnetserver is up")
-end
\ No newline at end of file
+    print("Telnetserver started")
+end