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Re: Unique Identifier for Disk

On 4/28/04 10:37 AM, "John C. Welch" <email@hidden> wrote:

> On 4/26/04 6:33 AM, "Jeffrey Berman" <email@hidden> wrote:
>
>> Applications such as the Finder and System Events see partitioned volumes as
>> "disk" objects. Is there a unique identifier for a disk that is not the
>> startup disk and that would persist over restarts so that an AppleScript
>> script referring to the disk would work as expected even if the name of the
>> disk changes?
>
> If you only want local drives, then you can, but you have to parse the
> output of disktool so that you can use Mike's -k switch on hfs.util. Then
> compare UUIDs.

John:

At least on my system (OS X 10.2.8), the help text from the 'hfs.util'
command does not list a -k option and the command returns nothing when I use
it with a device file name. For example, the main partition of my startup
disk is associated with the device file "disk0s9" but the command:

/System/Library/Filesystems/hfs.fs/hfs.util -k disk0s9

does not return anything.

-Jeffrey Berman
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