Multiprocessing in Bash Scripts

#!/bin/bash
function task1() {
    echo "Running task1..."
    sleep 5
}
function task2() {
    echo "Running task2..."
    sleep 5
}
task1 &
task2 &
wait
echo "All done!"

the wait builtin makes sure that all background processes have completed before carrying on

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Backlinks

• 5 Modern Bash Scripting Techniques That Only a Few Programmers Know (DevLog)