[kwlug-disc] Sleep until command is finished

[Khalid Baheyeldin]

Since you are waiting for something to finish, and the shell is not really
doing
anything in parallel, then why make it async in the first place?

This will do what you want, without having to constantly check ...
echo "Checking ..."
sudo smartctl -t short /dev/sda
echo "Done ..."
sudo smartctl -l selftest /dev/sda | grep "# 1"
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