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Home/ Questions/Q 7036791
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T01:27:58+00:00 2026-05-28T01:27:58+00:00

I need to do a directory sync e.g. from /dir-a/ to /dir-b/ (always in

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I need to do a directory sync e.g. from /dir-a/ to /dir-b/ (always in this direction). However, there are two requirements:

  1. There is a particular subdirectory /dir-a/.dont-copy/ (yes, started with a .) that I should ignore. That is, /dir-a/.dont-copy/ should always stay in /dir-a/, never move.
  2. Files / directories in /dir-b/ that don’t exist in /dir-a/ should be deleted.

How would I do this using command-line tools (ideally, on Mac OSX)? Thanks beforehand for your help!

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  1. Editorial Team
    Editorial Team
    2026-05-28T01:27:59+00:00Added an answer on May 28, 2026 at 1:27 am

    try:

    $ rsync -avz --exclude=.dont-copy --delete dir-a/ dir-b
    

    Note the trailing slash on dir-a. If you omit that, you will get dir-b/dir-a.

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