Date: Tue, 08 Jan 2013 15:57:39 -0200 From: schultz@ime.usp.br To: freebsd-questions@freebsd.org Subject: Re: Backup with mtree and rsync? Message-ID: <20130108155739.15823jwfkzc6skr7@webmail.ime.usp.br> In-Reply-To: <44obgztytu.fsf@lowell-desk.lan> References: <20130105161256.49797e7viwwtqfc8@webmail.ime.usp.br> <44obgztytu.fsf@lowell-desk.lan>
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> I don't see any way to do this directly. What you probably want to do is > use find(1) to pick out the new files to check, and then merge the > changes into the old mtree(8) spec. Not trivial, but the spec syntax is > intended to be easy to parse, so it shouldn't be that hard either. What I am currently doing somewhat fits your description. I feed find output into a C program that merges the old description with the directory state to produce a new description. However, I use a format different than mtree. I was seeking a shorter, more elegant, solution. > It's possible that the mtree support in tar(8) might be able to do it, > but it would probably be a lot slower. Wait, can tar be used to remove files?
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