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how to uncompress .bz2?


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#1 Riko

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Posted 01 October 2004 - 10:10 PM

Can anyone help? The new Unreal demo just won't open/
finish installing.

#2 Tycho Celchu

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Posted 01 October 2004 - 11:04 PM

Stuffit Expander is able to uncompress it. You may have to download a newer version off of Allume though.
"To be great is to be misunderstood" - Ralph Waldo Emerson

#3 No One

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Posted 02 October 2004 - 12:03 AM

You can also do it on the command line. Run the .bz2 file through 'bunzip2 -k' and it should decompress it.

Of course, Stuffit's probably easier. Just thought I would mention this way too.

#4 Riko

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Posted 03 October 2004 - 03:24 AM

Hi guys thanks for the help! :wink:

Unfortunatly sofar no success. Allume's (my god what a name what
happened to Alladin?) stufflt 8 nor 9 can finish the job.
And through terminal I get an access denied?

Anyone else?

#5 No One

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Posted 03 October 2004 - 04:23 AM

Sounds like you don't own the file you are trying to decompress. Use the 'Get Info' command in the finder and look under the Ownership & Permissions tab to see if you actually own the file, and have access to it.

Also, are you working under the main admin account on the machine? Any users with admin abilities seem to be able to use bunzip2 even on files they don't own.

#6 CabezaDelGatoVerde

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Posted 04 October 2004 - 01:47 PM

I have repeatedly downloaded this from multiple sources on three different machines. I have verified the permissions. Stuffit Expander 9.0 (build 782) always says:

An error has occurred while expanding the file
"UT2004-MAC-Demo3334.bz2" (Archive
was compressed with an unknown compression
method).
Error #17535

Ok, so I'll try your "bunzip2 -k". It began creating a file, but here's what I got:

bunzip2: Compressed file ends unexpectedly;
        perhaps it is corrupted?  *Possible* reason follows.
bunzip2: No such file or directory
        Input file = UT2004-MAC-Demo3334.dmg.bz2, output file = UT2004-MAC-Demo3334.dmg

It is possible that the compressed file(s) have become corrupted.
You can use the -tvv option to test integrity of such files.

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

bunzip2: Deleting output file UT2004-MAC-Demo3334.dmg, if it exists.

Ok, so I'll try "bunzip2 -tvv" first. Here's what happened:

bunzip2 -tvv UT2004-MAC-Demo3334.dmg.bz2  
  UT2004-MAC-Demo3334.dmg.bz2:
    [1: huff+mtf rt+rld]
(I removed 2-164 here to prevent boredom
    [165: huff+mtf rt+rld]
    [166: huff+mtf file ends unexpectedly

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

Ok then, time to try bzip2recover. Other than 165 files I don't know what to do with, I got some thing at about block 166 about splitting into blocks.

So now what?

#7 No One

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Posted 04 October 2004 - 09:31 PM

The "[166: huff+mtf file ends unexpectedly" line is saying that the file was truncated somehow. It would appear that your download was cut short. I wouldn't waste time on using bzip2recover because it would only be able to retrieve a portion of the whole package.

The only thing I can say is to download it again. I've also had large downloads get cut off more then once. After downloading it check to see if it is really as large as the site you are downloading from says it is. If you have a downloader that can resume you might want to take the file and attempt to resume the download into it.

Or maybe the places you are downloading from have a short version of it themselves (less likely since you tried it from more than one place).

Also, if you want the test mode to produce less information use -tv instead of -tvv. It will only tell if there was failure or success then.

#8 macgamesrule

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Posted 14 October 2004 - 01:29 PM

Edit: Didn't read your second post very close.

The four sources I know of are the 200MB version from MacGameFiles at
http://www.macgamefi....php?item=18034
or the 267MB version from 3DGamers at
http://www.3dgamers....34.dmg.bz2.html
or from FileShack at
http://www.fileshack...file.x?fid=4559

I got the 200MB version from download.com at
http://www.download....tml?tag=lst-0-4
It uncompressed with Stuffit Expander 8.0.2 no problem and works fine.

#9 macgamesrule

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Posted 14 October 2004 - 10:19 PM

Quote

what a name what happened to Alladin?

FYI:
Just looked at their site... says Aladdin was bought in April, and in July had to change their name to Allume because of a lawsuit.