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CDRW using UDF and long filename problem

Posted on 2002-04-22
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Last Modified: 2010-04-26
Hello,
I decided to start here because I wasn't sure which forum to post this to.
I have a friend who asked me: "do you write CDRW's in UDF format and if so, do you have the long (>66 characters) filename problem or any solutions ?"  Unfortunately I do not have a clue what he is talking about.  Could someone either help me with an answer or point me to some document on the web that I could access that would explain all this to me.
Thanks,
Joe Boyd
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Question by:JoeBoyd
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6 Comments
 
LVL 13

Expert Comment

by:magarity
ID: 6960161
CD-RW disks in random access read/write mode use a proprietary format depending on what software you use to access them.  I use Adaptec's Direct CD and it supports long file names.  I don't know about others.
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Author Comment

by:JoeBoyd
ID: 6960312
Magarity,
Thanks for the feedback, but what is UDF.  Do you have to use this format to get filenames longer than 66 characters.  Is there a limit for filename length with other formats?
Thanks
Joe
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LVL 63

Accepted Solution

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SysExpert earned 30 total points
ID: 6960571
I woukd start here for excellent info on all aspects of CDRW

 http://www.cdrfaq.org/

I hope this helps !
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Expert Comment

by:magarity
ID: 6960648
UDF is the optimistically named Universal Disk Format.  That's just the way CDRWs are recorded when used as giant floppy disks (read/write/change).  Peculiarities between one software and another make this name a joke, but what the heck.  You can't read UDF disks in a normal CDROM drive without special software.

You don't get a choice other than that or the traditional ISO9660 CDROM format which can record but not change.  If you use a CDRW disk in ISO9660, you can erase it and start again.  But this is a pain and somewhat defeats the cool part of a CDRW drive.

ISO9660, the non-rewriteable CDROM format, is only DOS style 8+3 file names unless your operating system supports the Microsoft Joliet extensions.
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by:Moondancer
ID: 7006392
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Expert Comment

by:Mindphaser
ID: 7128642
Force accepted

** Mindphaser - Community Support Moderator **

magarity, there will be a separate question with points for your help.
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