program that diffs an extracted archive against an unextracted one
Header "SYNOPSIS" 2 ptardiff ARCHIVE_FILE ptardiff -h $ tar -xzf Acme -Buffy -1.3.tar.gz $ vi Acme -Buffy -1.3/README [...] $ ptardiff Acme -Buffy -1.3.tar.gz > README.patch
Header "DESCRIPTION" 2 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.
Header "OPTIONS" 1 h Prints this help message
Header "SEE ALSO" tar(1), Archive::Tar.