1 files changed, 6 insertions, 9 deletions

diff --git a/samples/echoclnt.lua b/samples/echoclnt.lua
index 56bd123..a3d75f3 100644
--- a/samples/echoclnt.lua
+++ b/samples/echoclnt.lua
@@ -4,6 +4,7 @@
 -- Author: Diego Nehab
 -- RCS ID: $Id$
 -----------------------------------------------------------------------------
+require"luasocket"
 host = host or "localhost"
 port = port or 7
 if arg then
@@ -11,17 +12,13 @@ if arg then
     port = arg[2] or port
 end
 host = socket.dns.toip(host)
-udp, err = socket.udp()
-assert(udp, err) 
-ret, err = udp:setpeername(host, port)
-assert(ret, err) 
-print("Using host '" ..host.. "' and port " .. port .. "...")
+udp = socket.try(socket.udp())
+socket.try(udp:setpeername(host, port))
+print("Using remote host '" ..host.. "' and port " .. port .. "...")
 while 1 do
         line = io.read()
         if not line then os.exit() end
-        ret, err = udp:send(line)
-        if not ret then print(err) os.exit() end
-        dgram, err = udp:receive()
-        if not dgram then print(err) os.exit() end
+        socket.try(udp:send(line))
+        dgram = socket.try(udp:receive())
         print(dgram)
 end