Andy Smith <a...@strugglers.net> writes: > Hi, > > On Sun, May 18, 2025 at 12:47:25PM -0400, Default User wrote: >> Since I know almost no shell scripting, the rsync usb drive A >> to usb drive B copy is done with a simple bash script consisting >> only of the rsync backup command, with options and parameters, but >> without any code to verify that usb drive B is attached. >> >> I really should learn more shell scripting. That is something >> else I will get to "Real Soon Now". >> :) > > If your backup script is a bash script then all you need do is put > something like: > > if ! findmnt /mnt/usb-drive-b; then > echo "Mount USB drive B before running this!" >&2 > exit 1 > fi
why not if ! mountpoint /mnt/usb-drive-b ; then ... ? KJ -- http://wolnelektury.pl/wesprzyj/teraz/ EMACS = Even a Master of Arts Comes Simpler