1

I have two directories, say A/ and B/, each with their own subtree. I'd need to synchronize the content of A/ with the content of B/. The result I need is similar to recursively copying the subtree of B/ into A/ with cp -r, except that instead of actually copying the data from B/, I want to create symlinks in A/ which point to the files in B/.

My question is, is there a simple way/command/tool to do this or I have to create B/'s subtree in A/ and then go over all B/s files and create the symlinks? The best would be to be able to use rsync as a symlink creator and then just the delta symlinks would be created, but I don't think this is possible.

3

With 2 commands you could achive this: here is an example to clone directory structure of /etc and create symlinks for all files in /etc:

# create directories
find /etc -type d -exec mkdir .{} \;

# symlink files
find /etc -type f -exec ln -s {} .{} \;
  • any chance to speed up the process and only create the symlink that are not already there? B/ is constantly changing and I need to update the symlinks in A/ from time to time, accordingly. Could you think of any method to update the symlinks incrementally, like rsync would do with the files? – Botond Jul 2 at 20:02

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