package com.hadoop; import java.io.IOException;
import java.io.InputStream;
import java.net.URL; import org.apache.hadoop.fs.FsUrlStreamHandlerFactory;
import org.apache.hadoop.io.IOUtils; public class URLCat { static {
URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory());
} public static void main(String[] args) throws Exception, IOException { InputStream in = null;
try {
in = new URL(args[0]).openStream();
IOUtils.copyBytes(in, System.out, 4096,false);
} finally {
IOUtils.closeStream(in);
}
}
}
hadoop中运行: