Find which drive corresponds to which USB mass storage device in Linux

Question

I have several USB mass storage flash drives connected to a Ubuntu Linux computer (Ubuntu 10.04.1, kernel 2.6.32-25-386), and I need to tell them apart programatically (from

Answer 1

I use the path:

/sys/bus/usb/drivers/usb-storage/4-1:1.0/host4/target4:0:0/4:0:0:0/block/sda

so you can see usb bus 4, port 1 is connected with a usb storage /dev/sda