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[Help-tar] Incremental backups triggered by "mtime"?

From: Dr Rainer Woitok
Subject: [Help-tar] Incremental backups triggered by "mtime"?
Date: Thu, 19 Jul 2018 15:49:45 +0200


since quite some time I'm regulatly running incremental backups using

   tar -c --listed-incremental="..." ...

As far as I can tell,  the decission of whether or not  a file should be
included in the current backup is based  on its "ctime" value.   Without
wanting to start a discussion about the benefits of using "ctime" rather
than "mtime",  I would just like to know whether it's possible at all to
instruct "tar" to use "mtime" for incremental backups.

Any pointers welcome ... :-)


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