From a32aa6b351064f17779adcd8e89ebc0e98fc3096 Mon Sep 17 00:00:00 2001
From: KarthikTunga <karthik.tunga@gmail.com>
Date: Wed, 16 Oct 2013 22:51:09 -0700
Subject: Implementing --config argument in the scripts

---
 bin/slaves.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'bin/slaves.sh')

diff --git a/bin/slaves.sh b/bin/slaves.sh
index bcb7760130..aeb0c0f6be 100755
--- a/bin/slaves.sh
+++ b/bin/slaves.sh
@@ -28,7 +28,7 @@
 #   SPARK_SSH_OPTS Options passed to ssh when running remote commands.
 ##
 
-usage="Usage: slaves.sh [--config confdir] command..."
+usage="Usage: slaves.sh [--config <conf-dir>] command..."
 
 # if no args specified, show usage
 if [ $# -le 0 ]; then
@@ -46,14 +46,15 @@ bin=`cd "$bin"; pwd`
 # spark-env.sh. Save it here.
 HOSTLIST=$SPARK_SLAVES
 
-#check if conf dir passed as an argument
+# Check if --config is passed as an argument. It is an optional parameter.
+# Exit if the argument is a directory.
 if [ "$1" == "--config" ]
 then
   shift
   conf_dir=$1
   if [ ! -d "$conf_dir" ]
   then
-    echo "$conf_dir is not a valid directory"
+    echo "ERROR : $conf_dir is not a directory"
     echo $usage
     exit 1
   else
-- 
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