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Play Audio in Background?
Authored by: yogiken on Aug 05, '10 11:04:21AM
There is a simpler way to run a program in the background and detach it from the controlling terminal without using nohup. Just do this.

(afplay song.mp3&)

The parentheses request the creation of a subshell which becomes the parent process for the program you run. You can verify this works as follows.

(sleep 60&)
ps aux|grep sleep

You'll see something like this.

you      44389   0.0  0.0  2426564    324 s001  SN   11:00AM   0:00.00 sleep 60
you      44395   0.0  0.0  2425712    280 s001  R+   11:00AM   0:00.00 grep sleep

(Ignore the grep sleep which is the command you just ran.) A minute later, the same ps/grep will reveal that the program has terminated (and so has the parent subshell).

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