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2019 Dec 18
1
Skip creating files in --backup-dir if content has not changed
I am using rsync with --backup --backup-dir to keep copies of files which have changed as part of an incremental backup system. However, if only the timestamp has changed, it creates a copy of the file in --backup-dir, and if thousands of large files have their timestamps changed, this can waste a lot of disk space on something which hasn't really changed. Interestingly, if you use