unextracted one

DESCRIPTION
           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.

SYNOPSIS
           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

OPTIONS
           h   Prints this help message

SEE ALSO
       tar(1), archive::tar.