Re: hdiutil burn
Re: hdiutil burn
- Subject: Re: hdiutil burn
- From: Ken Garland <email@hidden>
- Date: Thu, 29 Dec 2005 12:46:12 -0500
you just need to write a script that checks size before burning and will
either burn or not based on the size you set as maximum.
Luther Fuller wrote:
An update ...
I was under the impression that I had used a large sparseimage in last
weeks burn successful tests with Disk Utility. I must have been
mistaken. The sparseimage file I was using for testing was created as
a 4.7 GB disk with only about 30MB of data in it. Disk Utility will
not burn this to anything ... it's too big. I was using a sparseimage
because I don't have to guess at the size of data before copying it.
So, my hardware and software is OK and the problem is with the image
files I was using.
And was this the cause of my earlier problems with hdiutil and drutil?
Perhaps. I'm looking at work-arounds, but haven't found anything I'm
happy with, yet.
Here's the problem with using .dmg or .sparseimage files to burn a
disk: Before copying data into the image disk, you don't necessarily
know how much data you have. It may be a small amount that can be
appended to an existing CD, or it may fill a CD, or it may be appended
to a DVD, or it could fill a DVD. But I have to know how much data
there is, so I can make the size of the disk in the image file just
big enough to hold the data. This makes disk burning a tedious job ...
unless I can find a way to write code that will do it automatically at
burn time.
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