List files in Hadoop archives
Use the hdfs dfs -ls command to list files in Hadoop
            archives.
                        Run the hdfs dfs -ls command by specifying the
                              archive directory location.
                        
To specify the directories in an archive directory
                                    
                  foo.har located in /usr/zoo,
                              run the following
                                    command:hdfs dfs -ls har:///user/zoo/foo.har/Assuming
                                    the archive directory 
foo.har contains two
                                    directories dir1 and dir2, the
                                    command returns the
                                    following
har:///user/zoo/foo.har/dir1
har:///user/zoo/foo.har/dir2