Problem
You would like to run several commands at the same time, but each of them should be run in a separate thread. The following script will allow you to do this.
#!/bin/bash
for cmd in "$@"; do {
echo "--> Running \"$cmd\" command!";
$cmd & pid=$!
RUN_PID_LIST+=" $pid";
} done
trap "kill $RUN_PID_LIST" SIGINT
echo "--> Commands were run...";
wait $RUN_PID_LIST
echo "--> All your processes have been completed!";
Then run the command.
./run_parallel.sh "echo 1" "sleep 2" "echo 2" "sleep 2"
You will get the result as below:
./run_parallel.sh "echo 1" "sleep 2" "echo 2" "sleep 2" --> Running "echo 1" command! --> Running "sleep 2" command! 1 --> Running "echo 2" command! --> Running "sleep 2" command! 2 --> Commands were run... --> All your processes have been completed!
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