引入一个文件夹下所有的包

HADOOP_LIB1=${HADOOP_HOME}/share/hadoop/hdfs/\*

HADOOP_LIB2=${HADOOP_HOME}/share/hadoop/hdfs/lib/\*
HADOOP_LIB3=${HADOOP_HOME}/share/hadoop/common/\*
HADOOP_LIB4=${HADOOP_HOME}/share/hadoop/common/lib/\*

for ABC in ${HADOOP_LIB1};
 do CLASSPATH=$CLASSPATH:$ABC;
 done


 for ABC in ${HADOOP_LIB2};
 do CLASSPATH=$CLASSPATH:$ABC;
 done


 for ABC in ${HADOOP_LIB3};
 do CLASSPATH=$CLASSPATH:$ABC;
 done


 for ABC in ${HADOOP_LIB4};
 do CLASSPATH=$CLASSPATH:$ABC;
 done
export CLASSPATH