Re: [rdiff-backup-users] Re: Can rdiff-backup produce diff file for two directory?

[Philippe Froidevaux]

>>>>> If rdiff-backup can produce incremental backup for different time of
>>>>> one directory, it should produce diff between two directory, Is it
>>>>> right?
>>>>>       
>>>>>           
>>>> It does, but that diff is only meant for use by rdiff-backup itself.
>>>> If you want to use it for something else, then you'll have to
>>>> find out the internals of rdiffbackup.
>>>>
>>>> But you did not explain your REAL problem you're trying to solve.
>>>> Why can't you use "diff -r"?  And how to you think "rdiff-backup"
>>>> will solve the problem that you have with "diff -r"?
>>>>     
>>>>         
>>> lem is I have two directories from my home's computer and company's
>>> computer need be synced. The two computers can not be linked directly by
>>> network. I do it by copy the directory into my Udisk or upload it to the
>>> ftp, then overwrite the old directory. I think it is a stupid method for 
>>> much
>>> of files do not be modified in the process. So I try to find a solution that
>>>       
>> I
>>     
>>> can just copy files which are modified to Udisk.
>>>
>>> I'not sure if I describe it clearly, :$
>>>   
>>>       
>> Use rsync to mirror your files on your usb-drive, then make backup of
>> your usbdrive with rdiff-backup ?
>>
>> forget ftp when you think about a backup strategy.
>>
>>
>> Philippe
>>     
> I think using rsync just save time but not space, there is not enough space in
> my udisk, Is it possible I just copy the diffs into my udisk and apply it to
> directory need be synced like single file.
>   

In short : no.

Unless you want to spend hours in rdiff-backup's files tweaking, of
course :)



Philippe