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Re: [Pan-users] multi-part yenc

From: Bob
Subject: Re: [Pan-users] multi-part yenc
Date: Tue, 11 Sep 2012 04:46:30 +0000 (UTC)
User-agent: Pan/0.139 (Sexual Chocolate; GIT bf56508 git://

On Mon, 10 Sep 2012 23:00:12 +0000, Bob wrote:

> On Mon, 10 Sep 2012 22:51:50 +0200, Rhialto wrote:
>> On Mon 10 Sep 2012 at 13:29:26 +0000, Duncan wrote:
>>> If the numeric file suffixes weren't 0-prefixed appropriately, it's a
>>> bit more difficult, but still /reasonably simple.
>> [...]
>> Or, in one go
>> cat file.mpg.? file.mpg.?? file.mpg.??? > file.mpg
>> If you want to be more sure/selective/specific, use [0-9] rather than
>> ?:
>> cat file.mpg.[0-9] file.mpg.[0-9][0-9] file.mpg.[0-9][0-9][0-9] >
>> file.mpg
>> [about rar-ed files:]
>>> For these files you simply use unrar (gpg but unarchives only, rar
>>> itself is proprietary) or some other (un)archiver that handles rar
>>> files, since the split is a native part of the format and the
>>> unarchiving process thus knows how to reassemble before unarchiving.
>>> IIRC, this format can normally be identified by the fact that in
>>> addition to the numbered files, one file (IIRC the first part, but
>>> it's been years...) is simply *.rar.
>> That is file.rar, file.r00, file.r01, etc.
>> That is the "old" .rar naming convention. The "new" one has
>> file.part01.rar, file.part02.rar, etc, with the necessary number of 0s.
>> You always use the "unrar" command on the first file, i.e. file.rar or
>> file.part1.rar.
>> -Olaf.
> Ok. Download and install via synaptic the applications "lxsplit" and
> "pypar2".
> Both are command line programs.  After you download the split files, be
> they video, rar'ed directories or whatever, enter terminal mode in the
> directory in which you saved the files.  To join the multiple files,
> ie.:  xxxxx.avi.001 through xxxxx.avi.###,
> enter the command #lxsplit -j xxxxx.avi.001 and hit return.   This will
> quickly join all the parts and create xxxxx.avi.   The filetype can be
> whatever is called for in the download.
> it could be rar, zip, avi, or whatever, as long as the filetype is
> followed by the .00x.
> When you downloaded the set of files, you should always include the
> .par2 file. Don't worry about the par2 vol files yet.
> From the same directory in terminal, enter #pypar2, this will bring up a
> small gui for the app,
> Click on check, then just below that, click the par2 file interface,
> using that to select the directory and par2 file for the joined file. 
> Below that box click the button 'verify' then at the bottom click "GO"
> When finished, pypar2 will tell you if any repair blocks are needed.  If
> none are needed, you are done.
> If it tells you that 10 blocks are needed, go back to pan and download
> the par2 volume that includes 10 blocks.
> it will start with 0+1, 1+2, 3+4, 7+8, etc.  In this case you would
> download the 7+8 file, as it would include 10 blocks.
> Once downloaded, back to pypar2 that you hopefully did not close.  this
> time click the Repair(files)
> and go again.
> This should hopefully correct the errors/missing parts.
> Bob

I forgot this with regard to split rar files:

If the files are split by rar, the filename would be xxxx.part01.rar
As said in a previous post, these are combined with rar using the *.part01.rar 
If the files are split by another program and you end up having xxxx.rar.001 
xxxx.rar.999 these are joined by a file joiner program like lxsplit.

The problem I have seen, with the xxxx.part01.rar type files is that if there 
are enough
errors, then rar errors out with a crc error and the original file is not 
reconstructed, making
the par2 file and recovery blocks un-usable.  I try to skip downloading this 
type of split

Also, some providers of the newsgroups are slow in getting it all togather and 
parts of
a download may not show on their servers for several hours.  The little blue 
3-d box at
the left of the screen in pan should show a single color, if that section of a 
download is
supposedly complete, or an orange or yellow coloration on the right side of 
that same
box is it is incomplete.   If you see an incomplete listing, wait a while 
before downloading.
Go away and check back later, or update that group to see if the box shows full 
blue, denoting
that the part is supposedly complete.

binary Bob

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