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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
SCALA_VERSION=2.10
FWDIR="$(cd "`dirname "$0"`"/..; pwd)"
export SPARK_HOME="$FWDIR"
EXAMPLES_DIR="$FWDIR"/examples
if [ -n "$1" ]; then
EXAMPLE_CLASS="$1"
shift
else
echo "Usage: ./bin/run-example <example-class> [example-args]" 1>&2
echo " - set MASTER=XX to use a specific master" 1>&2
echo " - can use abbreviated example class name relative to com.apache.spark.examples" 1>&2
echo " (e.g. SparkPi, mllib.LinearRegression, streaming.KinesisWordCountASL)" 1>&2
exit 1
fi
if [ -f "$FWDIR/RELEASE" ]; then
export SPARK_EXAMPLES_JAR="`ls "$FWDIR"/lib/spark-examples-*hadoop*.jar`"
elif [ -e "$EXAMPLES_DIR"/target/scala-$SCALA_VERSION/spark-examples-*hadoop*.jar ]; then
export SPARK_EXAMPLES_JAR="`ls "$EXAMPLES_DIR"/target/scala-$SCALA_VERSION/spark-examples-*hadoop*.jar`"
fi
if [[ -z "$SPARK_EXAMPLES_JAR" ]]; then
echo "Failed to find Spark examples assembly in $FWDIR/lib or $FWDIR/examples/target" 1>&2
echo "You need to build Spark before running this program" 1>&2
exit 1
fi
EXAMPLE_MASTER=${MASTER:-"local[*]"}
if [[ ! $EXAMPLE_CLASS == org.apache.spark.examples* ]]; then
EXAMPLE_CLASS="org.apache.spark.examples.$EXAMPLE_CLASS"
fi
"$FWDIR"/bin/spark-submit \
--master $EXAMPLE_MASTER \
--class $EXAMPLE_CLASS \
"$SPARK_EXAMPLES_JAR" \
"$@"
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