compressible is a command line utility to test whether compressing a given file with bzip2 is likely to result in space savings greater than a given threshold.
It does bzip2 compression on samples taken from several locations in the file.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.