On Sun, Jan 25, 2026 at 12:30 AM <[email protected]> wrote: > # blkid --uuid 2026-01-19-03-28-45-00 > /dev/sdc > Meaning that the block device with that UUID is connected to the system. > > When this executes, > > destination="2026-01-19-03-28-45-00"; > printf "destination=$destination\n"; > if ! ( lsblk -alno UUID | grep $destination > /dev/null ); then > printf "destination device not connected. Aborting.\n" > else > printf "destination device is connected.\n" > dev="$( blkid --uuid $destination )"; > printf "dev=$dev\n"; > # FTH; > fi; > > this is the output. > destination=2026-01-19-03-28-45-00 > destination device not connected. Aborting. > > With the device being present, I expect this. > destination=2026-01-19-03-28-45-00 > destination device is connected. > dev=/dev/sdc > > Does this line have a syntax error? > if ! ( lsblk -alno UUID | grep $destination > /dev/null ); then
You should run your script through Shellcheck. It will tell you about the obvious problems, like quoting variables. Jeff
