how to copy file from hdfs to local disk without hadoop installation

gistfile1.java

/*
 *  Copy file from hdfs to local disk without hadoop installation
 *  
 *  params are something like 
 *  hdfs://node01.sindice.net:8020 /user/bob/file.zip file.zip
 *
 * Credits for Josef Niedermeier
 *
 */

import java.io.IOException;


import org.apache.hadoop.conf.Configuration;

import org.apache.hadoop.conf.Configured;

import org.apache.hadoop.fs.FileSystem;

import org.apache.hadoop.fs.Path;


public class HDFSdownloader extends Configured{

public static void main(String[] args) throws Exception {

if (args.length != 3) {

System.out.println("use: HDFSdownloader hdfs src dst");

System.exit(1);

}

HDFSdownloader dw = new HDFSdownloader();

dw.copy2local(args[0], args[1], args[2]);


}

private void copy2local(String hdfs, String src, String dst) throws IOException{

Configuration conf = new Configuration();

conf.set("fs.default.name", hdfs);

FileSystem.get(conf).copyToLocalFile(new Path(src), new Path(dst));

}

}