Re: [Rpcemu] Mounting arbitrary ADFS images?

On Thu, 23 Jul 2015 10:07:12 -0700,
David Glover-Aoki <me@davidglover.org> wrote:

> Recently I dug out a bunch of zip disks (remember those?) that I had
> once used on my old RiscPC, so they're all ADFS formatted. I've
> successfully used dd to make disk images of them all, and I know they
> work because you can mount them under Linux as "adfs".
>
> The problem is Linux doesn't understand file types, so all these are
> lost.

Try mounting them using the "ftsuffix" option:

$ mount <image_file> <target_dir> -t adfs -o ftsuffix=1

From <https://www.kernel.org/doc/Documentation/filesystems/adfs.txt>:

ftsuffix=n When ftsuffix=0, no file type suffix will be applied.
When ftsuffix=1, a hexadecimal suffix corresponding to
the RISC OS file type will be added. Default 0.
[...]
To enable non-RISC OS systems to be used to store files without losing
file type information, a file naming convention was devised (initially
for use with NFS) such that a hexadecimal suffix of the form ,xyz
denoted the file type: e.g. BasicFile,ffb is a BASIC (0xffb) file. This
naming convention is now also used by RISC OS emulators such as RPCEmu.

Mounting an ADFS disc with option ftsuffix=1 will cause appropriate file
type suffixes to be appended to file names read from a directory. If the
ftsuffix option is zero or omitted, no file type suffixes will be added.

Cheers,
--Kai

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