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Old 05 July 2019, 03:19   #1
Fibble
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Creating blank HDFs in Ubuntu

Hi, not sure if this is the right forum but hoping someone here can help.
I am attempting to use amitools in order to create blank .hdf files.
When I try creating an HDF using this command taken straight from the amitools docs:
Code:
xdftool empty.hdf format Work size=10M ffs
the file is created, but isn't then writable.
When I try to open it in ADF Opus, I get an error stating
Code:
ReadRDSKblock : RDSK id not found
Running
Code:
xdfscan -v empty.hdf
gives this result:
Code:
                scan  empty.hdf
                NDOS  empty.hdf
@000000:ERROR:invalid boot block dos type
I am able to use ADF Opus to create blank HDFs without problems, but of course I can't use it in a bash script. Its output scans this way:
Code:
xdfscan -v new.hdf
                scan  new.hdf
                 ok   new.hdf
Any advice would be welcome.
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Old 06 July 2019, 04:18   #2
Hewitson
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No idea what the issue is. An alternative would be to use dd, firstly to create the actual HDF, and then secondly to install a ripped bootblock, RDB, etc.

If there is a problem with this program I am willing to look at the source code if available.
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Old 06 July 2019, 11:13   #3
jbl007
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This is a bug. Did you install from git?
However... the following command works:
Code:
xdftool empty.hdf create size=10M + format Work ffs
Quote:
Originally Posted by Fibble View Post
Code:
ReadRDSKblock : RDSK id not found
This is normal, plain .hdf doesn't contain partition information. If you want that: use
rdbtool
.
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Old 07 July 2019, 01:09   #4
Fibble
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Quote:
Originally Posted by jbl007 View Post
This is a bug. Did you install from git?
However... the following command works:
Code:
xdftool empty.hdf create size=10M + format Work ffs

Thanks, that did the trick! Yes, I did install from git.



As far as the partition error, that's just what ADF Opus gave when I tried to open the file. My understanding was, I shouldn't need do do any partitioning at all; sure enough, with the command you gave above, I am able to open, write, and read the generated .hdf.
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