code: public static RamDisk readGzipped(File f)
              throws FileNotFoundException, IOException {
          
          final FileInputStream is = new FileInputStream(f);
          
          try {
              return readGzipped(is);
          } finally {
              is.close();
          }
      }
docs: Reads a GZIP compressed file into a new {@code RamDisk} instance.
  
  @param f the file to read
  @return the new RamDisk with the file contents
  @throws FileNotFoundException if the specified file does not exist
  @throws IOException on read error