The tail –pid=PID with -f option, will terminate the display once the process ID (PID) dies.
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## Create a script cat <<'EOF'> myscript.sh #!/bin/bash i=1 > myfile while [ $i -le 30 ] do echo "$i" >> myfile sleep 1 ((i++)) done EOF ## execute the script in background and note the pid chmod +x myscript.sh ./myscript.sh & ## PID => [1] 4883 ## tail --pid=PID option (replace the PID from above) tail -f --pid=4883 myfile ## returns 30 lines and autometically exit ./myscript.sh & ## execute the script in background ## default tail -f myfile ## returns 30 lines but does not exit ## press control + c to exist rm my* |