I'm convinced.  I'll use readcd from now on.

TimH

On Mon, 24 Feb 2003 22:00:28 -0800
Jacob Meuser <[EMAIL PROTECTED]> wrote:

> On Mon, Feb 24, 2003 at 08:43:42PM -0800, Bob Miller wrote:
> > Jacob Meuser wrote:
> > 
> > > And then mount the image on a virtual/loop device.  Can't mount; can't
> > > explore the filesystem -> bad extraction.
> > > 
> > > And the once the ISO is mounted, and the CD also, there are all
> > > sorts of ways to compare the filesystems.
> > 
> > I disagree.  Two filesystems can appear the same but be slightly
> > different.
> 
> Well, then they're not being compared thoroughly.  How sure can one
> be that appearances are "real"?
> 
> > Besides, he doesn't have the original ISO from the source.
> > If he did, he wouldn't need to read the CD.
> 
> Yeah, so use readcd to make an ISO file from the CD.
> 
> > Comparing the .iso's md5
> > to the original is the way to be sure.
> 
> Well, if you're going to use dd in a script instead of readcd,
> why not do it all the hackish way?
> 
> My point is, by using the right tool to begin with, there's
> less of a chance of error.  readcd knows more about your CD
> than dd does.
> 
> > And if you do decide to mount the .iso, be sure to mount it READ-ONLY!
> > (I've been bitten... (-: )
> 
> % uname -sr
> OpenBSD 3.3 
> % sudo mount -t cd9660 -o rw /dev/cd1a /mnt/cdrom1 
> % mount | grep cd1 
> /dev/cda1 on /mnt/cdrom1 type cd9660 (local, read-only)
> % echo > /mnt/cdrom1/junk 
> zsh: read-only file system: /mnt/cdrom1/junk 
> % 
> 
> -- 
> <[EMAIL PROTECTED]>
> 
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