Projects / rdup


rdup is a utility inspired by rsync and the Plan9 way of doing backups. rdup itself does not backup anything; it only prints a list of the names of files that have changed since the last backup. It also handles files that are removed, allowing for correct incremental backups. Auxilary script that implement a backup strategy are included.

Operating Systems

Recent releases

  •  18 Feb 2012 11:18

    Release Notes: This release makes rdup-tr compile when libnettle is not found. It adds a fix for very large inodes and file sizes and fixes tar/pax output when the file sizes of files change.

    •  16 Dec 2010 09:33

      Release Notes: A number of memory leaks were removed.

      •  25 Oct 2010 07:19

        Release Notes: Checks are done for two more possible I/O errors when reading files. Processing permissions on AIX were fixed.

        •  23 Jun 2010 11:04

          Release Notes: Named pipes are now properly created by rdup-up.

          •  18 Apr 2010 11:51

            Release Notes: A few bugs were fixed and the documentation received some polish.

            Recent comments

            25 Apr 2006 07:40 miek

            Re: How is this different from find?

            > find . -type f -newer .lastbackup

            > -print

            what this doesn't take into account is removed files, rdup

            does show files that are removed since the last run.

            grtz Miek

            25 Apr 2006 07:24 thelars

            How is this different from find?
            Hi there,

            I'm curious how 'rdup' is different from the 'find' command, which can trivially print out a list of files modified since the date on some arbitrary timestamp file:

            find . -type f -newer .lastbackup -print

            You simply 'touch .lastbackup' whenever you successfully complete your backup. The description for rdup makes it sound like it's doing pretty much the same thing...but some of the comments on the different releases imply that it actually has some additional features. Maybe just the description needs updating?


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