Re: System Information
Re: System Information
- Subject: Re: System Information
- From: Quinn <email@hidden>
- Date: Tue, 6 May 2008 17:36:48 +0100
At 10:41 -0500 6/5/08, Michael Chroman wrote:
Operating system version, OS Build, List of all connected USB
devices(USB Class,Device
String, Speed, VID, PID, Revision, Version), Driver
Information, Memory(Total Physical, Available Physical), Processor
Information(Model Name, Type, Speed, Stepping)
It sounds like you're trying to get information as it's reported by
System Profiler. If so, I recommend that you run
<x-man-page://8/system_profiler> in XML mode and parse the results.
It's possible to get most of this info via other APIs, however,
whenever you do this yourself, it's challenging to ensure that your
results /exactly/ match System Profiler. System Profiler handles a
lot of wacky special cases that are not documented (and unlikely to
ever be documented).
As a example, consider the user-visible CPU name. System Profiler
might display it as "Intel Core 2 Duo", but that's a marketing name
that covers a lot of different CPUs. If you use lower level APIs,
you have to maintain a table that maps the specific CPU types to
their marketing names. As you can imagine, that gets very ugly very
fast.
At 10:42 -0500 6/5/08, Michael Chroman wrote:
I am able to parse the system_profiler if I send it to xml format.
This is somewhat tedious.
Hmmm, it might be tedious, but I'd argue that that's a good thing (-:
In contrast, doing all of things work yourself would definitely be
"exciting".
Seriously though, once you've captured the data from the tool, it's
easy to convert it to an in-memory property list
(CFPropertyListCreateFromXMLData) and extract values from there.
S+E
--
Quinn "The Eskimo!" <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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- From: Michael Chroman <email@hidden>