Got responses working!

main.lua

@@ -2,6 +2,7 @@
 
 local socket = require("socket")
 local urlparser = require("socket.url")
+local separator = '\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n'
 
 table.split = function(inputstr, sep)
   if sep == nil then
@@ -21,20 +22,35 @@ function request_gopher(host, port, query)
   local tcp = assert(socket.tcp())
   local response = {}
 
-  tcp:connect(host, port);
-  tcp:send(query.."\n");
-
-  while true do
-    local s, status, partial = tcp:receive()
-    if status == "closed" then break end
-    table.insert(response, (s or partial))
+  tcp:settimeout(2000)
+  local connection = tcp:connect(host, port);
+  local request
+  if connection then
+    request = tcp:send(query.."\n");
   end
 
-  tcp:close()
+  if request then
+    while true do
+      local s, status, partial = tcp:receive()
+      if status == "closed" then break end
+      if s ~= '.' then
+        table.insert(response, (s or partial))
+      end
+    end
+    tcp:close()
+  elseif connection then
+    response[1] = 'Connection error. Bad request.'
+    tcp:close()
+  else
+    response[1] = 'Connection error. Bad host.'
+  end
+
+
+  return response
 end
 
 
-function getch_unix()
+function getch()
   -- taken from: http://lua.2524044.n2.nabble.com/How-to-get-one-keystroke-without-hitting-Enter-td5858614.html
   os.execute("stty cbreak </dev/tty >/dev/tty 2>&1")
   local key = io.read(1)
@@ -45,9 +61,8 @@ end
 
 function mainloop()
   while true do
-    print('(G)o to url, (B)ack, (#) Visit link, (Q)uit')
-    io.write('> ')
-    local key = string.lower(getch_unix())
+    print('\n\27[7m (G)o to url, (B)ack, (#) Visit link, (Q)uit \27[0m')
+    local key = string.lower(getch())
     io.write('\n')
     if key == 'q' then
       os.exit(0)
@@ -56,13 +71,15 @@ function mainloop()
       local url = io.read()
       url = parse_url(url)
       if not url.host or url.scheme ~= 'gopher' then
-        print('Invalid url')
+        print('\nInvalid url\n')
       else
-        print(url.scheme)
-        print(url.host)
-        print(url.port)
-        print(url.gophertype)
-        print(url.path)
+
+        filedata = request_gopher(url.host, url.port, url.path)
+        print(separator)
+        for i, v in ipairs(filedata) do
+          print(v)
+        end
+        print(separator)
       end
     end
   end