deleting files from CD-RW

January 23, 2006 at 09:54:53
Specs: Windows XP, Dell 512 MB
I'm having a hard time deleting individual files from a CD-RW I created. If I select a file, and try to delete it, it says "the file is read only, do you still want to delete it", which I say "yes", then I get an "access denied" error. If I change the properties so that it is not "read-only" the change does not stay, and I still can't delete it. However, I can do "erase all files on disk", which wipes out the entire CD, but that's not what I want to do. I've tried creating the CD-RW 2 different ways (drag-drop, then doing a "write files to CD"), and I've also tried creating a data CD from Roxio, but the same result happens.

Has any had success doing this?

Thanks,
Mark Chiasson

Mark Chiasson
Hudson Public Schools


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#1
January 23, 2006 at 09:58:56

CD-RW is just like CD-R when you burn by "mastering". In that case
individual files can't be deleted just like you can't with CD-R. But
CD-RW can be erased as a whole and then can be used again as if brand
new CD-R.

To have the capability of deleting individual files, you burn by "packet
writing" after "formatting" the CD-RW.

AFAIK, there are only two stand-alone packet writing softwares, and the
less expensive one is Sonic's DLA:
http://sonic.com/products/dla/default.asp

The most readable, concise cdr faq:
http://users.forthnet.gr/ath/axatis/FAQs/CDR/



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#2
January 23, 2006 at 10:14:07
Another Way to do it is to create a multi session data disc. And then to delete files just go back into it and remove the files you want and then go burn and will burn them off the disc. This also amazingly works with cd-r and dvd-r. I did it with a dvd-r a few days ago and it worked.

Ignorance is Bliss but Knowledge is Power


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#3
January 23, 2006 at 10:23:56
Nero InCD will do what you require. However, to use Nero InCD you must have a version of Nero CD software, either the full retail version or an OEM version that comes with a lot of CD/DVD burners.

Multi session disk do not erase anything from the disk. When you re-write to a multi session disk you just reorganise the indexes so the previous file is no longer visible but it is still on the disk. With software like Nero the "erased" files can still be recovered from previous sessions. CD-R and DVD-R disk cannot be erased.

Add enough sessions to a multi-session disk and eventually if will be to full to add anything else although it may appear that only a few megabytes are being used. The rest is taken up by dormant previous sessions.

Stuart


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Related Solutions

#4
January 23, 2006 at 10:39:34
And there's the third commercial software Roxio DirectCD.

i_XpUser


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#5
January 23, 2006 at 10:42:27
Thanks for that Stuart

Ignorance is Bliss but Knowledge is Power


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#6
January 23, 2006 at 10:44:06
Actually, I found out that if you use the Direct-CD Format utility to format the CD-RW, you can drag-drop and delete individual files. Worked great!

Thanks everyone.

Mark

Mark Chiasson
Hudson Public Schools


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#7
January 23, 2006 at 14:53:38
To those of you that use, INCd and DirectCd, are you disk able to be read by any computer?
Have you tried these cd's on other computers with out INCd or DirectCd installed?

I had this problem with InCd, that it would not work on computers that did not have INCd installed. Has this problem been corrected?

I am asking this question so that the person asking know what they are getting into if they use the above mentioned programs.

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#8
January 23, 2006 at 23:46:13
Thats a good point. Disk created with in InCD cannot be read on computers without InCD.

However there is a utility available for Nero called InCD reader which is basically a driver to allow the computer to read InCD disks. It is only 600Kbs and can be installed on any computer - you don't need Nero.

Stuart


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#9
February 10, 2006 at 09:58:19

I found out if you format the CD-RW using Direct-CD Format utility, it
allows you to drag-drop, and delete individual files! Works great!

Mark


Mark Chiasson
Hudson Public Schools


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