Handling failed mount (media not connected)

[Robert Huff]

L Goodwin writes:

>  My backup script (sh) works fine except when the
>  backup drive (USB Flash drive) is not plugged in. I'm
>  using mount_msdosfs to mount the backup drive.
>  
>  What is the best way to handle mount_msdosfs error?
>  If the drive is not mounted, I want to detect the
>  failure and execute error-handling code.

	First approximation, using sh:

	ls /dev | grep da4s1
	if [ $? -eq 0 ];
		then
#	drive is available

		else
#	drive is not available

	if

	(Replace "da4s1" with whatever the flash drive gets created
as.)


				Robert Huff