Phil Davis wrote:
Hi List,
I decided to find a way to get a U3 drive's serial number on Mac (OS X
only). Sorry, I don't have a method for Linux but would welcome anyone's
contribution in this regard.
Here's what I came up with:
I did a little more homework and decided to make one small change. The
system_profiler option (parameter) as originally coded doesn't work as expected
on my PowerPC Mac running 10.3.9; it has to be entered in an older format to
work. But more important, a parameter that asks system_profiler for USB-only
info makes it run between 2x and 7x faster (roughly) depending on the state of
the USB drive (mounted/unmounted/removed).
So here's the updated function, ready for action on PowerPC or Intel Mac:
function u3SerialNumbers
# Return the serial numbers of all U3 drives currently known to the OS.
switch the platform
case "Win32"
return $U3_DEVICE_SERIAL
break
case "MacOS"
set the itemDelimiter to "."
if the systemVersion < 10 then return empty -- system is not OS X
-- prep
put 0 into x
put empty into tSerialNumberList
put shell("system_profiler SPUSBDataType") into tProfile
-- get U3 serial numbers
repeat
put lineOffset("U3 smart drive:",tProfile) into xStart
if xStart = 0 then exit repeat -- no U3 drive was found
put lineOffset("Serial Number:",tProfile,xStart) + xStart into xSerNum
put last word of line xSerNum of tProfile & cr after tSerialNumberList
delete line 1 to xSerNum of tProfile
end repeat
delete last char of tSerialNumberList
return tSerialNumberList
break
default
return empty
break
end switch
end u3SerialNumbers
Thanks -
Phil Davis
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