Re: Reverse patching
Martin Pool <[email protected]> Fri, 4 Dec 2009 14:34:35 +1100
| Newsgroups | gmane.network.librsync.general |
|---|---|
| Message-ID | <[email protected]> |
2009/12/4 Afsheen Ghorashy <[email protected]>: > Hello, > I'm trying to apply rdiff (a very impressive program, so far) to a > certain situation and I have some questions about its use and functioning: > 1) Is there anyway to 'reverse-patch'. =A0If I produce a delta for file1 > to file2, I know I can apply the delta to file1 to obtain file2; can I > also apply the delta, in some way, to file2 to get file 1? (similar to > "patch -R") No. > 2) If I create a signature and then a delta for two identical files, > will rdiff produce a delta of size 0? =A0If not, under which > circumstances, if any in particular? The delta will be logically zero (it will just say to copy the whole file) but it will not be 0 bytes. -- = Martin <http://launchpad.net/~mbp/> ---------------------------------------------------------------------------= --- Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. = Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev