Unknown option: - Unknown option: u Unknown option: s Unknown option: a Unknown option: g Unknown option: e Usage: ptardiff ARCHIVE_FILE ptardiff -h ptardiff is a small program that diffs an extracted archive against an unextracted one, using the perl module Archive::Tar. This effectively lets you view changes made to an archives contents. Provide the progam with an ARCHIVE_FILE and it will look up all the files with in the archive, scan the current working directory for a file with the name and diff it against the contents of the archive. Options: h Prints this help message Sample Usage: $ tar -xzf Acme-Buffy-1.3.tar.gz $ vi Acme-Buffy-1.3/README [...] $ ptardiff Acme-Buffy-1.3.tar.gz > README.patch See Also: tar(1) ptar Archive::Tar