From f89a5bcf705c3b78e605b33b8dde244c521bf2e7 Mon Sep 17 00:00:00 2001
From: Bob Lantz <rlantz@cs.stanford.edu>
Date: Mon, 8 Aug 2016 15:32:31 -0700
Subject: [PATCH] Use output()/error() instead of print

We shouldn't be using print in the core API, with
the possible (?) exception of error/abort messages.
---
 mininet/cli.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mininet/cli.py b/mininet/cli.py
index 574e946..a6c26fd 100644
--- a/mininet/cli.py
+++ b/mininet/cli.py
@@ -373,7 +373,7 @@ class CLI( Cmd ):
     def do_links( self, _line ):
         "Report on links"
         for link in self.mn.links:
-            print( link, link.status() )
+            output( link, link.status() )
 
     def do_switch( self, line ):
         "Starts or stops a switch"
@@ -407,7 +407,7 @@ class CLI( Cmd ):
 
         if first in self.mn:
             if not args:
-                print( "*** Enter a command for node: %s <cmd>" % first )
+                error( "*** Enter a command for node: %s <cmd>" % first )
                 return
             node = self.mn[ first ]
             rest = args.split( ' ' )