FWIW, I was unable to find a way of getting the name of the currently-
connected USB printer without asking the user when it is first
encountered and storing the associated printername (as listed in the
printer dialog under printers with available drivers). With printers
there seems to be no way of fetching the user-chosen name of the
device from any shell call for USB info, at least as far as I have
been able to discover. But I am hardly knowledgeable about shell
calls....
-- Peter
Peter M. Brigham
[email protected]
http://home.comcast.net/~pmbrig
On Jan 6, 2010, at 10:36 AM, Richard Gaskin wrote:
I'm making a custom installer in which I want to provide the option
of a normal desktop install to the hard drive and a zero-footprint
install to a removable USB drive (no registry entries, prefs stored
in the app folder, etc.).
To help make this simple for the user I'd like to present a list of
available USB drives if they choose that option, so they can pick
the target for the install.
Phil Davis was kind enough to share some pointers in his libUsbDrive
library (see <http://pdslabs.net/usb/index.html>), which has me
exploring the use of shell calls on OS X to system_profiler, e.g.:
get shell("system_profiler -xml SPUSBDataType")
While the info returned there contains a lot of very useful stuff,
the one thing I'm not able to find is the name of the volume as it
appears to the user on the desktop.
Well, sometimes, that is.
It seems that if I've named the drive in the Finder, the Volumes
section of the data returned from that shell call is filled in, and
includes the apparent name of the volume.
But drives which haven't been given a name on a Mac system appear on
the desktop as "Untitled", and although the data from the
system_profiler shows it as a removable drive there is no Volumes
section included and hence no way to know the name of the drive as
it appears to the user.
When there is is a Volumes section the _name key there shows the
name as it appears in the Finder, but drives that have not
explicitly been given a name appear as "Untitled" or "Untitled 1",
etc., in the Finder and the corresponding _name key from
system_profiler is something different (for example my card reader
device has a _name value of "Generic USB2.0 card " in
system_profiler, but on the desktop it appears as "Untitled 1").
Do any of you know a way I can use shell or AppleScript to obtain
the apparent name of a removable drive when system_profiler fails to
return it?
Extra bonus points: what shell calls would I use to get this info
on Linux? I think I have the Windows side of things down, but I'll
need to work out the Linux side soon.
TIA -
--
Richard Gaskin
Fourth World
Rev training and consulting: http://www.fourthworld.com
Webzine for Rev developers: http://www.revjournal.com
revJournal blog: http://revjournal.com/blog.irv
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