Better way to script USB device mount in Linux

Question

I\'m writing a python module for a device that interacts with a user supplied USB memory stick. The user can insert a USB memory stick in the device USB slot, and the device

Answer 1

I'm not entirely certain how portable this is. Also, this information would presumably also be available over D-Bus from udisks or HAL but neither of those is present on my system so I can't try. It seems to be reasonably accurate here regardless:

$ for i in /sys/class/block/*; do
>     /sbin/udevadm info -a -p $i | grep -qx '    SUBSYSTEMS=="usb"' &&
>     echo ${i##*/}
> done
sde
sdf
sdg
sdh
sdi
sdj
sdj1
$ cd /sys/class/block/
$ for i in *; do [[ $(cd $i; pwd -P) = */usb*/* ]] && echo $i; done
sde
sdf
sdg
sdh
sdi
sdj
sdj1