public static List<File> unTar(final String inputFileName, final String outputDirName)
      throws FileNotFoundException, IOException, ArchiveException {
    return unTar(inputFileName, outputDirName, false);
  }
Untar an input file into an output file.

The output file is created in the output folder, having the same name as the input file, minus
the '.tar' extension.

@param inputFileName the input .tar file
@param outputDirName the output directory file.
@throws IOException
@throws FileNotFoundException

@return The {@link List} of {@link File}s with the untarred content.
@throws ArchiveException
common/src/java/org/apache/hadoop/hive/common/CompressionUtils.java