package?com.PACKT.chapter1;

import?java.io.*;
import?java.util.*;
import?org.apache.hadoop.io.*;
import?org.apache.hadoop.mapred.*;
?
public?class?Map?extends?MapReducebase?implements?Mapper{
????public?void?map（LongWritable?key?Text?value?OutputCollector?output?Reporter?reporter）?throws?IOException?{
????????StringTokenizer?st?=?new?StringTokenizer（value.toString（）.toLowerCase（））;
????????while（st.hasMoreTokens（））?{
????????????output.collect（new?Text（st.nextToken（））?new?IntWritable（1））;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-21?19:53??3282OS_Code\
?????目錄???????????0??2013-11-21?02:56??3282OS_Code\final\
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_02_Codes\
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_02_Codes\codes\
?????文件????????7366??2013-11-21?02:47??3282OS_Code\final\3282OS_02_Codes\codes\Chapter2_Coding_notes
?????文件?????????575??2013-06-28?01:48??3282OS_Code\final\3282OS_02_Codes\codes\Map.java
?????文件?????????722??2013-11-21?01:39??3282OS_Code\final\3282OS_02_Codes\codes\Reduce.java
?????文件????????3254??2013-06-28?01:48??3282OS_Code\final\3282OS_02_Codes\codes\wordcount.jar
?????文件????????1814??2013-11-21?02:47??3282OS_Code\final\3282OS_02_Codes\codes\WordCount.java
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_02_Codes\input\
?????文件??????446615??2012-05-09?10:04??3282OS_Code\final\3282OS_02_Codes\input\CHANGES.txt
?????文件???????13366??2012-05-09?10:04??3282OS_Code\final\3282OS_02_Codes\input\LICENSE.txt
?????文件?????????101??2012-05-09?10:04??3282OS_Code\final\3282OS_02_Codes\input\NOTICE.txt
?????文件????????1366??2012-05-09?10:04??3282OS_Code\final\3282OS_02_Codes\input\README.txt
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_03_Codes\
?????文件????????1290??2013-11-21?02:48??3282OS_Code\final\3282OS_03_Codes\RHadoop1.R
?????文件????????1817??2013-11-21?02:48??3282OS_Code\final\3282OS_03_Codes\RHadoop2.R
?????文件????????1325??2013-11-21?02:05??3282OS_Code\final\3282OS_03_Codes\RHIPE1.R
?????文件????????1676??2013-11-21?02:48??3282OS_Code\final\3282OS_03_Codes\RHIPE2.R
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_04_Codes\
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_04_Codes\HadoopStreaming\
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\data\
?????文件????????5451??2013-08-02?01:37??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\data\anna.txt
?????文件????????1351??2013-10-23?05:59??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\Hadoop_streaming.R
?????文件????????1432??2013-10-23?06:00??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\Hadoop_streaming.txt
?????文件????????1349??2013-10-23?06:08??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\Hadoop_streaming_samples.R
?????文件????????1566??2013-11-21?02:23??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\hsWordCnt.R
?????文件????????1217??2013-08-02?07:28??3282OS_Code\final\3282OS_04_Codes\HadoopStreamingPkg\runHadoop.sh
?????目錄???????????0??2013-11-21?02:54??3282OS_Code\final\3282OS_04_Codes\HadoopStreaming\data\
?????文件?????3015172??2013-08-01?23:19??3282OS_Code\final\3282OS_04_Codes\HadoopStreaming\data\gadata_mr.csv
............此處省略53個文件信息