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From: hopper <long@drawn.net.invalid>
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Subject: Re: What to do with SOME corrupted attachments
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From: Herb <Herb@the.herb.garden>
>hopper wrote:
>
//cut
>> Herb, your description only works where the "put recovery record"
>> option is ticked/set by the poster.
>
>Working on the 869 post ...
>'LittleMissMe' said that Winrar gave up with 'no recovery record
>found'. Don't yet know what version of Winrar she's using,
>But with 3.71 it sailed through and fixed it.
>
Agent gives you options when the "encoding error" message appears.
Depending on which you choose you may end up with no rar file at all!
eg: Using the standard "Join" and "save" renders a rar with no content.
Currently I am using Winrar 3.3. Frankly I do not bother playing further
after I get the encoding error, if I need the files I just switch to manual
recovery mode.
I have posted the 896 files as requested. The post by mia is another
achive in pes.
>> By default Winrar is not installed with that option as a positive value.
>
>Is there a way to get the properties of a .rar archive that shows
>things like whether or not it has a recovery record, built 'solid' and
>other attributes?
>
Try RC>Properties>Archive
to play with differing modes of packing files,observing the changes
in these values.
Look at "ratio" "sfx module size" "recovery record".
Some answers will explain themselves.
There is detailed explanation in the Winrar "help" menus under
Context>archive types and parameters.
I have seen these attributes discussed in detail in the past
in binary groups. Net searches will realise little information.
I saved enough of that knowledge to help my operation of Winrar :)
>> A method that works for *every* corrupted archive, where it is the
>> crc value that is creating the error dialog, is to save the file as a
>> unix text file then manually comb through the file to remove the
>> faulty code, or join with good code as the case may be.
>> Importing the repaired file to Agent will list the archive for
>> decoding by Agent.
>
>Pretty tricky for most! In this case, when winrar recovers it, it
>states that the archive header is corrupt.
>
Likewise for yEnc32, or similar at least depending on the fault in
the archive.
All means "no problem" as long as all the data is present and correct.
Files and folders can get mixed up on packing, like having a
RAM glitch or whatever, little is recovered should this type of
corruption occur. Those archives are kaput, even with recovery
record set.
One tip is not to watch movies whilst packing archives :)
Whatever, a reliable poster checks archives by unpacking them
before posting.
>Interestingly, if I tell it to treat the archive as 'solid' it creates
> one folder. If I say not to, it creates the contents as a folder
>within a folder. The source of BlueRopes problem may be that his/her
>version of Winrar doesn't handle nested folders well.
>
Truly impossible to define, Herb. And never have I seen any feedback
from this poster other than reposts of the same mistakes.
I am of the mind the source of bluerope's problems is not being attune to
the problems the posts cause. I would question then the sincerity of
the contribution. There is oodles of information on how to do packing
and posting.
>> Given some are not able to set the recovery option in the first place
>> (so easy to do) then the above method is likely impractical for the
>> downloaders here.
>> [ps] I have seen "thank you" posted for files which are incomplete
>> [ps]or not recoverable at all. Those thank you posts help nobody.
>
>Agree.
>
>> For the yEnc posts pointed to there exists an easy method to
>> recover the files.
>> Again, save the archive as a unix text file and feed it to this yEnc tool.
>> http://www.yenc32.com/
>> The tool will decode the archive from raw text and deliver the
>> files as they were packed.
>> Observation shows many posters are using yEnc encoded posting
>> so the above method may deliver more product than relying on
>> Winrar rebuilds.
>> Why it is yEnc is so popular in uploads of designs is a mystery.
>> The files are too small to warrant using that encoding.
>
>I agree. There are enough Outlook Express and Mozilla based
>newsreaders being used that yEnc posting generally hurts more than it
>helps. OTOH, many European users pay by the byte so it saves them a
>few bits here and there.
>
Uploads of large archives in yEnc, as the Europeans are wont to do, does
indeed save bandwidth as well as accommodating the posting tools that
sector largely uses. However the argument for and against yEnc was settled
long ago in places where competent posters had input without being
shouted at in a "furrin lungwidge". Largely the concession was seen as
anything over 20000 kilobytes had some benefit from yEnc.
The irony of that debate was found in the fact that large uploads of
CD images and DVD movies were yet to evolve.
Picture, music and scans are still today largely posted in UUencode.
>
>> But what do I know :)
>
>Quite a bit, it would seem!
>
> --- Herb
>
From observation, reading and testing, Herb.
All work but there is then _no glass ceiling_ :)
tks
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