commit c3de5152b37289f4912466b5954bef6592cd8da2
author Bob Lantz <rlantz@cs.stanford.edu> Fri Jun 17 17:13:57 2016 -0700
committer Bob Lantz <rlantz@cs.stanford.edu> Fri Jun 17 17:14:46 2016 -0700
tree 0b4f799ce59f85833e954b03edd3aba4955cd961
parent c0c27c0d026c5e1c196d263da96c1659cb899398

Correctly print message if arping isn't installed

Change-Id: Ia8e6a305bebb51556974b72c83d86b472b6918e5

tools/dev/mininet/onos.py

diff --git a/tools/dev/mininet/onos.py b/tools/dev/mininet/onos.py
index bbc67d3..8edc594 100755
--- a/tools/dev/mininet/onos.py
+++ b/tools/dev/mininet/onos.py
@@ -559,8 +559,8 @@
         except:
             count = 1
         # Technically this check should be on the host
-        if '-U' not in quietRun( 'arping -h' ):
-            warn( 'Please install iputils-arping' )
+        if '-U' not in quietRun( 'arping -h', shell=True ):
+            warn( 'Please install iputils-arping.\n' )
             return
         # This is much faster if we do it in parallel
         for host in self.mn.net.hosts: