From eee9804e970cedec544e7676e186221996b793bd Mon Sep 17 00:00:00 2001
From: Brendan Burns <bburns@google.com>
Date: Tue, 17 Feb 2015 17:18:32 -0800
Subject: [PATCH] Strip whitespace that OS X inserts on wc calls.

---
 cluster/gce/util.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cluster/gce/util.sh b/cluster/gce/util.sh
index ddf4b5151b7..f44223a8e9b 100755
--- a/cluster/gce/util.sh
+++ b/cluster/gce/util.sh
@@ -168,7 +168,7 @@ function wait-for-minions-to-run {
     sleep 5
     running_minions=$(gcloud preview --project "${PROJECT}" instance-groups \
       --zone "${ZONE}" instances --group "${NODE_INSTANCE_PREFIX}-group" list \
-      --running | wc -l)
+      --running | wc -l | xargs)
   done
 }