[hfs-user] MacOS9.2 and MAC OS X

Patrick Dirks pwd@apple.com
Fri, 26 Apr 2002 08:52:41 -0700


Sounds like you're not setting the Finder information for the files; Mac 
OS 9 uses the Finder Type and creator to find an application to open the 
file.  Looks like SimpleText also looks at the file and checks to see 
whether the type is "TEXT".

Mac OS X recognizes file extensions in addition to the Finder 
information (and its TextEdit app obviously doesn't check the Finder 
Type in the Finder Info) so it has no problem just gong straight at the 

If you want to verify your data structures, I bet "BBEdit" will read it 
without regard for the Finder info.

Hope that helps,

On Friday, April 26, 2002, at 07:44 AM, Biswaroop(External) wrote:

> Hi Everybody,
>  I have enquired a very queer problem.
>   What I did...
> 1.  Created a Volume File and inserted some
>      Text documents in that volume.
> 2.  I then wrote that Volume Image file on to a CD
>     using a mastering application which just dumps the
>     image on to the disc.
> 3. Took the CD and mounted it in Mac OS 9.2
>     The files were displayed but when I clicked it
>     for opening it I got a Error Mssg saying
>    "Simple Text" cannot open this Kind of File.
> 4. Next I mounted it in Mac OS X the new OS from
>     Mac.
>     Amazing enough It showed all the files and the
>     data correctly.
>   Inference:
>    The data is written correctly on to the Cd and it
>    is being recognized by Mac (MAC OS X).
>    Both the OS show the files properly and recognize
>    it as HFS formatted volume.
>   Point to note..
>    Since the text files were copied from a Windows volume in Binary 
> mode no
> CRLF conversions were
> done.
>  But in Mac OS X it didnot show any wrong display
>   and everything was fine.
>  Thirdly when I wrote other types of files in the volume
>  eg. *.htm, *.pdf
>  They were shown in both the Mac OS's(9.2 and X)
>   but again the Text files couldnot be opened only in
>   Mac OS 9.2
>   Fourthly,
>   when I mount the Volume File created by my application
>   using a freeware"HFVExplorer" I can view all the
>   files and data (i.e. Text files are getting opened and
>   displayed).
>   From all the above experiments
>   I think my code is not the Culprit!!
>   And only "Text Files" are not getting opened.
>   Then where is the BUG??
>   Any ideas!
>   have a nice weekend.
>   Bye
>   Biswaroop
> The difference between sunrise and
> sunset lies in the freshness of your
> eyes.
>                                   --Bisban