How to get the estimated binary diff size without really changing the destination folder?

[Zhenhua Li]

Thank you, Kevin! Your solution works well :)

Zhenhua

On Mon, Jan 30, 2012 at 10:37 AM, Kevin Korb <kmk at sanitarium.net> wrote:
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> - --only-write-batch=FILE ; du FILE
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> On 01/30/12 11:35, Zhenhua Li wrote:
>> Hello everyone,
>>
>> I have been exploring how to get the estimated binary diff size
>> without changing the destination folder, but still have no answer.
>> I have difficulty in solving this problem.
>>
>> I want to do something like:  rsync -av ~/src/
>> user at host::module/dst/ but I do not want the dst/ to be really
>> changed. That is to say, I only want to get the estimated binary
>> diff size (or says delta size) between /src and /dst.
>>
>> I tried the option -n (--dry-run) but it only lists which file will
>> be changed rather than how many bytes are different (will be
>> transferred).
>>
>> Could you please give me some help or heuristics? Thank you very
>> much!
>>
>
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>        Kevin Korb                      Phone:    (407) 252-6853
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-- 
Zhenhua Li,
Joint Ph.D student, University of Minnesota, Twin Cites, US
Ph.D student, Peking University, Beijing, China
Hompage: http://net.pku.edu.cn/~lzh
Email: lizhenhua1983 at gmail.com, lzh at net.pku.edu.cn
Phone: 612-205-1637 (@Minneapolis, MN, USA)
+86-13811219742 (@Beijing, unavailable now)