diff -ur v3/chat_conn.py v4/chat_conn.py
--- v3/chat_conn.py	2019-08-13 12:57:29.000000000 +0900
+++ v4/chat_conn.py	2019-08-13 22:46:56.000000000 +0900
@@ -382,14 +382,14 @@
 
 	return e.to_attr( locals() )
 
-def client(host, port, name0, func_in, func_out):
+def client(host, port, name0, cmd_io):
 	cli = cli_new(host, port, name0)
 	th_quit = threading.Event()
 
 	def th_func():
 		rest = rest_new()
 		while not th_quit.wait(0):
-			s = func_in()
+			s = cmd_io.func_in()
 			if s == False:
 				break
 			if not s:
@@ -407,15 +407,25 @@
 		if not r:
 			continue
 		(f, s) = r
+		'''
+		if s.endswith(cli.name):
+			cmd_io.func_out_me( s[:len(cli.name)] )
 		if f:
 			s = '{}> {}'.format(f, s)
-		func_out(s)
+		cmd_io.func_out(s)
+		'''
+		cmd_io.func_out(f, s, cli.name)
 
 	th_quit.set()
 	th.join()
 	cli.dis_conn()
 
 def cmd_io_new(cmd):
+	k = 'me:'
+	me_f = cmd.startswith(k)
+	if me_f:
+		cmd = cmd[len(k):]
+
 	que = queue.Queue()
 
 	def func_in():
@@ -424,17 +434,25 @@
 			try:
 				s = que.get(timeout=tmout)
 			except:
-				s = None
+				pass
 		elif readable(sys.stdin):
 			s = sys.stdin.readline().strip()
 		return s
 
-	def func_out(s):
+	def cmd_exec(s, cmd):
+		echo_cmd = 'echo "{}" | {}'.format(s, cmd)
+		ret = subprocess.check_output(echo_cmd, shell=True).decode('utf-8').strip()
+		if ret:
+			que.put(ret)
+
+	def func_out(f, s, name):
 		if cmd:
-			echo_cmd = 'echo "{}" | {}'.format(s, cmd)
-			ret = subprocess.check_output(echo_cmd, shell=True).decode('utf-8').strip()
-			if ret:
-				que.put(ret)
+			if me_f:
+				k = ' >' + name
+				if s.endswith(k):
+					cmd_exec( s[:-len(k)], cmd )
+			else:
+				cmd_exec( '{}> {}'.format(f, s), cmd )
 		else:
 			print(s)
 
@@ -442,7 +460,8 @@
 
 def help(v):
 	ss = [
-		'Usage: {} <port> [conn [<user name>] [host=<hostname>] [cmd=<cmd>]]'.format(sys.argv[0]),
+		'Usage: {} <port> [conn [<user name>] [host=<hostname>] \\'.format(sys.argv[0]),
+		'  [cmd=[me:]<cmd>]]',
 		'  conn: client mode',
 		'  user name: default "guest"',
 		'  hostname: default "localhost"',
@@ -473,5 +492,5 @@
 	name0 = pop('guest')
 	cmd_io = cmd_io_new(cmd)
 
-	client(host, port, name0, cmd_io.func_in, cmd_io.func_out)
+	client(host, port, name0, cmd_io)
 # EOF