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How to keep burned files from becoming read-only on a CD?

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h...@slasdl.com

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May 11, 2009, 9:13:59 AM5/11/09
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I have a small program which hashes a group of files before burning.
When I go to use the hash to check whether all the files were copied
correctly, I find that the file holding the hash results is read-only
and won't work.

How do you burn files without them becoming read-only on a CD?

h...@slasdl.com

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May 11, 2009, 9:16:30 AM5/11/09
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It seems I've found the answer.

http://www.jakeludington.com/ask_jake/20051202_files_become_read_only_during_cd_burn.html

Files Become Read Only During CD Burn

George says, "On copying data files why is the attribute changed to
"Read Only" when copying to CD-R or RW discs except when ones uses a
"Drag-to-Disc" program? I noticed on using both Nero and Roxio if you
use the programs copy data to discs they all come up "Read Only". I
never noticed this before since I have always used Drag-to-Disc method
which does not change the attribute. Maybe I do not understand the
functions but dragging to disc and copying data to disc are the same,
are they not?"

CD-R media is by definition read only. CD-Rom, the format for most
pre-packaged software disks and all CD-R media, stands for Compact Disc
Read Only Memory. When you burn a CD project using software like Nero or
Roxio, finalizing the project converts everything you just burned to the
disk to read-only. Generally speaking, once you burn a CD-R project, its
contents are finalized. CD-RW disks are re-writable, which means you can
copy over the information stored on the disk, however, for compatibility
reasons the disk is burned as if it were a CD-R.

When you use Drag-to-Disc, the formatting of the blank CD is slightly
different than a traditional burned CD. When you copy files to a disk
using Drag-to-Disc type programs, the software creates a file system on
the CD blank. Using Drag-to-Disc with Roxio or Nero's equivalent InCD,
the software maintains the properties of the files you copy when they
are transferred to the disk, so from Windows perspective, it treats the
copy of the file the same way it would treat copying a file from one
hard drive to a second hard drive.


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