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Carles Xavier Munyoz Baldó | 27 Sep 2005 13:20

No actions delta file.

Hi,
I have file F10 in computer A, and file F11 in computer B.
I send a signatufe file of A from computer A to computer B in order that 
computer B generates a delta file and sent it backup to computer A to 
regenerate file F11 using the basis file F10.

If files F10 and F11 are the same in contents, how may I know it looking at 
the generated delta file ?
Is the delta file 0 bytes length ?
Any other propierty I can look into the delta file to know that files F10 an 
F11 are the same ?

Greetings.
---
Carles Xavier Munyoz Baldó
cmunyoz <at> unlimitedmail.net
http://www.unlimitedmail.net/
---

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Carles Xavier Munyoz Baldó | 27 Sep 2005 14:35

No actions delta file.

Hi,
I have file F10 in computer A, and file F11 in computer B.
I send a signatufe file of A from computer A to computer B in order that 
computer B generates a delta file and sent it backup to computer A to 
regenerate file F11 using the basis file F10.

If files F10 and F11 are the same in contents, how may I know it looking at 
the generated delta file ?
Is the delta file 0 bytes length ?
Any other propierty I can look into the delta file to know that files F10 an 
F11 are the same ?

Greetings.
---
Carles Xavier Munyoz Baldó
cmunyoz <at> unlimitedmail.net
http://www.unlimitedmail.net/
---

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Donovan Baarda | 27 Sep 2005 19:19
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Re: [librsync-users] No actions delta file.

On Tue, 2005-09-27 at 12:20, Carles Xavier Munyoz Baldó wrote:
> Hi,
> I have file F10 in computer A, and file F11 in computer B.
> I send a signatufe file of A from computer A to computer B in order that 
> computer B generates a delta file and sent it backup to computer A to 
> regenerate file F11 using the basis file F10.
> 
> If files F10 and F11 are the same in contents, how may I know it looking at 
> the generated delta file ?
> Is the delta file 0 bytes length ?

No. It will be very short though, as it should contain only a single
"copy" command.

> Any other propierty I can look into the delta file to know that files F10 an 
> F11 are the same ?

The signatures will be identical.

Probably a better/safer way to check this is to compare the whole-file
md5sum though.

--

-- 
Donovan Baarda <abo <at> minkirri.apana.org.au>

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Carles Xavier Munyoz Baldó | 27 Sep 2005 19:45

Re: [librsync-users] No actions delta file.

> No. It will be very short though, as it should contain only a single
> "copy" command.

Do you know where could I get documentation about the generated rsync delta 
file, in order to discover this single "copy" command ?

It is more efficient if I examine the generated delta file to see that it 
contains a single "copy" command than generate another signature file or a 
md5sum ;-)

---
Carles Xavier Munyoz Baldó
cmunyoz <at> unlimitedmail.net
http://www.unlimitedmail.net/
---

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Carles Xavier Munyoz Baldó | 27 Sep 2005 19:51

Re: [librsync-devel] Re: No actions delta file.

> No. It will be very short though, as it should contain only a single
> "copy" command.

Do you know where could I get documentation about the generated rsync delta 
file, in order to discover this single "copy" command ?

It is more efficient if I examine the generated delta file to see that it 
contains a single "copy" command than generate another signature file or a 
md5sum ;-)

---
Carles Xavier Munyoz Baldó
cmunyoz <at> unlimitedmail.net
http://www.unlimitedmail.net/
---

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