Mail Archives: cygwin/2013/01/08/16:24:41
On 1/8/2013 08:38, bartels wrote:
> On 01/08/2013 04:14 PM, Warren Young wrote:
>> On 1/8/2013 06:59, bartels wrote:
>>>
>>> The windows format.com
>>
>> format.com hasn't existed since the DOS days.
>
> That may very well be true, but I have a friend called locate:
I *had* a friend called "which", but he didn't find it.
I have now unfriended him. ;)
>>> My question is this: which device in /dev do I use?
>>
>> According to [this][1] it's probably /dev/sdb. But please do read
>> through what I pointed you to first, and check its applicability
>> carefully before attempting this.
>
> 'Probably' is not good enough when the goal is targeted destruction :)
In that case, you shouldn't be looking at /dev names anyway. They're
assigned in order of device discovery, so the device that gets called
/dev/sdb or whatever depends on what happened before your code ran.
Actually, it's even worse than that.
In Disk Management, you can permanently assign a USB key a different
drive letter than the default. Now when you put it in, it appears
somewhere other than code blindly hard-coded with a /dev name expects.
Or, put two USB keys in, one gets called F: (say) and the other G:.
Remove both. Now plug the second back in...it's still called G:!
Hence, it gets a different /dev name.
If this were Linux, I'd suggest basing your script's logic on device or
filesystem UUIDs, but I don't know how to do that under Cygwin.
> Does windows leave a trail when mounting?
Oh, doubtless there's something buried in the NT device namespace,
mentioned in the document I pointed you to. Maybe you could dump two
copies of it and diff(1) them, and assume that the one line that appears
in the output is the new device. Ugh.
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
- Raw text -