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Topic: feature request: space-optimization / hardlinks, would be a unique feature, wouldn't it?< Next Oldest | Next Newest >
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PostIcon Posted on: Aug. 12 2004,16:10  Skip to the next post in this topic. Ignore posts   QUOTE

hi

first, let my describe an example:

do you know the MS server 2003-cds that carry two file-trees - one for the standard-, anotherone for the enterprise-version?
both file-trees on that cd have an own I386-subfolder that usually would never fit on one cd.
i think they "reuse" a huge amount of identical files by having TWO TOC-entries in different locations, pointing to ONE file...

then, my actual problem:

i want to author a cd that contains "XP Pro with integrated SP2" + "SP2 for Windows XP (unpacked)" + "a couple of systools".
I could manage to put this on one single CD if I had a tool to create "ISO-hardlinks" for all the duplicate I386-files in both locations.

now, my feature-request:

In a new, filled-up ISO, while authoring with UltraISO, there could be a function named "search for linkable duplicates" that does the following:

- create an internal list of file-checksums (i.e. md5) for comparison
- mark dupes internally as "don't build second file but only create TOC-entry for found original file"
- calculate savings, maybe build list for user to make manual exceptions (not necessary)
- act accordingly when creating the image

possible, useful options for this feature:
- ignore filenames when looking for dupes (default)
- ignore timestamps when looking for dupes (default)
- (maybe attributes, too, no more ideas)

what do you think?


p.s.
I had a talk with a unix-guy next door today about this and he proposed a way to solve this by running a perl-script to create hardlinks on a HD, then using mkisofs with the right options.
but this wasn't done yet.
If you know another way / have another idea / know a tool that already exists for win32, please let me know!

thx
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PostIcon Posted on: Aug. 12 2004,16:15 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

addition to "p.s.":
of course this was thought to be done under linux.
I just finished playing around with cygwin, ntfs-hardlinks created by FSUTIL, etc, but wasn't successful...
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PostIcon Posted on: Aug. 12 2004,19:34 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

OK, here's the end of my monologue:

There's an MS-internal tool named "CDimage"* , that does it when using the -o switch.
(I didn't test it yet, so I don't know if it uses error-free checksum-comparison, or if it allows disregarding filenames and timestamps.)

Still, maybe you want to consider blabla...

* should be easy to find if you want to take a look at it.
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PostIcon Posted on: Aug. 12 2004,20:54 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Thanks for your message.

Fisrtly, UltraISO does support this feature since version 5.55. You can enable it by checking 'Optimize' option on 'Properties' dialogue.

Secondly, an add-on program (named as EasyBoot) can help you to create a menu for All-in-one bootable DVD, please visit http://www.ezbsystems.com/easyboot for more detailed information.
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PostIcon Posted on: Aug. 13 2004,01:52 Skip to the previous post in this topic.  Ignore posts   QUOTE

now that makes me look stoopid, doesn't it...

:p

I should should have noticed and tested that checkmark instead of going through the helpfile (where I couldn't find anything explaining it), haha...
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