On 08/29/2015 09:45 PM, Brandon Vincent wrote:
> On Sat, Aug 29, 2015 at 8:14 PM, ToddAndMargo <[log in to unmask]> wrote:
>> I was looking for an easier way to tell if my write protect switches
>> were in the read only position.  There are other ways, like trying to
>> mount it and see what happens, but I would like to get the information
>> more directly.
>
> Try querying the block device with udevadm(8).
>
> udevadm info -a -n /dev/sdc
>
> Brandon Vincent
>

Rats!

   looking at device 
'/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.2/2-4.2:1.0/host7/target7:0:0/7:0:0:0/block/sdc':
     KERNEL=="sdc"
     SUBSYSTEM=="block"
     DRIVER==""
     ATTR{ro}=="1"
     ATTR{size}=="61767680"
     ATTR{stat}=="     360        3     2904      376        0        0 
        0        0        0      376      376"
     ATTR{range}=="16"
     ATTR{discard_alignment}=="0"
     ATTR{events}=="media_change"
     ATTR{ext_range}=="256"
     ATTR{events_poll_msecs}=="-1"
     ATTR{alignment_offset}=="0"
     ATTR{inflight}=="       0        0"
     ATTR{removable}=="1"
     ATTR{capability}=="51"
     ATTR{events_async}==""


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Computers are like air conditioners.
They malfunction when you open windows
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~