#!/bin/bash
#echo "$# $0 $1 $2"
HH=$HADOOP_HOME/share/hadoop
if [ $# -lt 1 ];then
echo "usage: test.sh source.java [InputFile] [OutputFile]"
exit 0
elif [ ${1##*.} != "java" ];then
echo "Notice: source.java java!"
exit 0
else
rm -r ../classes/*
javac -classpath $HH/common/hadoop-common-2.2.0.jar:$HH/common/lib/commons-cli-1.2.jar:$HH/common/lib/log4j-1.2.17.jar:$HH/common/lib/hadoop-annotations-2.2.0.jar:$HH/mapreduce/hadoop-mapreduce-client-core-2.2.0.jar:$HH/yarn/hadoop-yarn-common-2.2.0.jar:$HH/yarn/hadoop-yarn-api-2.2.0.jar -d ../classes ./*.java
jar -cvf 1.jar -C ../classes/ .
echo "==============Output====================="
if [ $# -eq 1 ];then
hadoop jar 1.jar ${1%.*}
elif [ $# -eq 2 ];then
hadoop jar 1.jar ${1%.*} $2
elif [ $# -eq 3 ];then
hadoop jar 1.jar ${1%.*} $2 $3
fi
echo "========================================="
rm 1.jar
fi
./test.sh WordCount.java
原文：http://blog.csdn.net/cklsoft/article/details/18974831