code: public static void main(String[] args) {
  		if (args.length == 0) {
  			System.out.println(
  				"Usage: SplittingBAMIndex [splitting BAM indices...]\n\n"+
  
  				"Writes a few statistics about each splitting BAM index.");
  			return;
  		}
  
  		for (String arg : args) {
  			final File f = new File(arg);
  			if (f.isFile() && f.canRead()) {
  				try {
  					System.err.printf("%s:\n", f);
  					final SplittingBAMIndex bi = new SplittingBAMIndex(f);
  					if (bi.size() == 1) {
  						System.err.printf("\t0 alignments\n" +
  								"\tassociated BAM file size %d\n", bi.bamSize());
  					} else {
  						final long first = bi.first();
  						final long last = bi.last();
  						System.err.printf(
  								"\t%d alignments\n" +
  										"\tfirst is at %#06x in BGZF block at %#014x\n" +
  										"\tlast  is at %#06x in BGZF block at %#014x\n" +
  										"\tassociated BAM file size %d\n",
  								bi.size(),
  								first & 0xffff, first >>> 16,
  								last & 0xffff, last >>> 16,
  								bi.bamSize());
  					}
  				} catch (IOException e) {
  					System.err.printf("Failed to read %s!\n", f);
  					e.printStackTrace();
  				}
  			} else
  				System.err.printf("%s does not look like a readable file!\n", f);
  		}
  	}
docs: Writes some statistics about each splitting BAM index file given as an
  argument.