Minor changes

pdeyhim · May 17, 2014 · bf37e36 · bf37e36
1 parent 01066fa
commit bf37e36
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Showing 3 changed files with 6 additions and 7 deletions.
diff --git a/bin/pyspark b/bin/pyspark
@@ -25,7 +25,7 @@ export SPARK_HOME="$FWDIR"
 
 SCALA_VERSION=2.10
 
-if [[ "$@" = *--help ]] || [[ "$@" = *--h ]]; then
+if [[ "$@" = *--help ]] || [[ "$@" = *-h ]]; then
   echo "Usage: ./bin/pyspark [options]"
   ./bin/spark-submit --help 2>&1 | grep -v Usage 1>&2
   exit 0

diff --git a/bin/spark-shell b/bin/spark-shell
@@ -28,7 +28,7 @@ esac
 # Enter posix mode for bash
 set -o posix
 
-if [[ "$@" = *--help ]] || [[ "$@" = *--h ]]; then
+if [[ "$@" = *--help ]] || [[ "$@" = *-h ]]; then
   echo "Usage: ./bin/spark-shell [options]"
   ./bin/spark-submit --help 2>&1 | grep -v Usage 1>&2
   exit 0

diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
@@ -334,11 +334,10 @@ object SparkSubmit {
    * no files, into a single comma-separated string.
    */
   private[spark] def mergeFileLists(lists: String*): String = {
-    lists
-      .filter(_ != null)
-      .filter(_ != "")
-      .flatMap(_.split(","))
-      .mkString(",")
+    val merged = lists.filter(_ != null)
+                      .flatMap(_.split(","))
+                      .mkString(",")
+    if (merged == "") null else merged
   }
 }