Given two directories, dir1 and dir2, I want some tool that scans both directories and generates a compact diff file. Then dir2 may be deleted, and the diff file, if applied to dir1 with the tool, should spawn a precise copy of dir2.

The tool should work on Windows XP.

I found binary diff tools that compare two files, found incremental backup software that manages the backup directory automatically, but couldn't find anything that works at least nearly like this.

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