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Old 08-10-2009, 04:59 PM   #11
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Default Re: Super-Compressing Files

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Did it come on a single dvd? If so then you should be able to use something like CDBurnerXP to make an ISO image of the DVD which you should be able to burn back onto another one.
I downloaded it from Steam. Why would I back up something to a dvd if its already on a dvd?
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Old 08-10-2009, 05:03 PM   #12
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Default Re: Super-Compressing Files

It's a perfectly legal and legitimate process in case you lose the original!

If rar won't do it my advice would be to head over to http://www.7-zip.org/ and try the 7z format.
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Old 08-10-2009, 05:14 PM   #13
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Default Re: Super-Compressing Files

But if you got it from steam you could always just re download it from there. You could get it from anywhere really, as long as you use the original CD key. That being said, certain things compress alot, while others don't, as I believe was already stated. I know PSP games really don't compress at all.
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Old 08-10-2009, 05:49 PM   #14
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Default Re: Super-Compressing Files

You can split up a compressed file with WinRAR and store it on more than one disk.

How can I split files to multivolume archives?
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Old 08-10-2009, 06:57 PM   #15
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Default Re: Super-Compressing Files

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You can split up a compressed file with WinRAR and store it on more than one disk.

How can I split files to multivolume archives?
or i think what some people do is in the settings of winrar is you set a certain size of files (so it splits up one 100mb file into 10, 10mb files) then you can compress it again so its compressing those 10mb files. im not sure if its compressed better but i've unzipped lots of stuff like that
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Old 08-10-2009, 07:18 PM   #16
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Default Re: Super-Compressing Files

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or i think what some people do is in the settings of winrar is you set a certain size of files (so it splits up one 100mb file into 10, 10mb files) then you can compress it again so its compressing those 10mb files. im not sure if its compressed better but i've unzipped lots of stuff like that
I had a look at the compression ratios on this a while back and while I don't know the details, I'm pretty sure that splitting it into different files achieves a slightly worse compression rate than just one individual one - with multiple files you've got the overhead of what data is going into what file which will take up more space.

Most of the uses I've seen for this sort of thing are on sites like rapidshare where someone wants to upload a 2GB file and there's a 100MB limit per file - they'll put it up as a split rar archive.

If this is for backup purposes though does it have to go onto a DVD or 2? Why not just put it on an external hard drive or similar? I used to have one that was purely for backups, they're pretty cheap these days and it worked quite well for me.
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Old 08-10-2009, 07:23 PM   #17
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Default Re: Super-Compressing Files

okay this is what i've come up with, if you use 7zip then you get a much better compression ratio on a game. i zipped up NFS Most wanted (its really small, like 1.5g)

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