WAIT(1)

NAME
wait - wait for jobs to complete

SYNOPSIS

wait [-n | --any] [PID | PROCESS_NAME] ...

DESCRIPTION

wait waits for child jobs to complete.

•   If a pid is specified, the command waits for the job that the process with the pid belongs to.

•   If a process name is specified, the command waits for the jobs that the matched processes belong to.

•   If neither a pid nor a process name is specified, the command waits for all background jobs.

•   If the -n / --any flag is provided, the command returns as soon as the first job completes. If it is not provided, it returns after all jobs complete.

EXAMPLE

sleep 10 &
wait $last_pid

spawns sleep in the background, and then waits until it finishes.

for i in (seq 1 5); sleep 10 &; end
wait

spawns five jobs in the background, and then waits until all of them finishes.

for i in (seq 1 5); sleep 10 &; end
hoge &
wait sleep

spawns five jobs and hoge in the background, and then waits until all sleeps finish, and doesn't wait for hoge finishing.

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