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set alarm in shell script

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Subject: Re: Is there a way to set an alarm in a shell script?
References: <m04S7.170735$kf1.53509842@news1.rdc1.ne.home.com> 
From: spcecdt@deeptht.armory.com (John DuBois)
Date: 14 Dec 2001 02:34:10 GMT

In article <m04S7.170735$kf1.53509842@news1.rdc1.ne.home.com>,
David H. Funte <jack9x4@hotmail.com> wrote:
>I have a script that uses ftp to transfer files in the middle of the night.
>The script hangs on an ftp transfer and sits there (occasionally) forever.
>Is there a way to set an "alarm" so that the command only runs for 3000
>seconds and then  exits with an exit code $?.  I'll write this in c if I
>have to , but I'z (I wuz) just wondering if there is a current solution.
>For example: timed_run -t 3000 "ftp..."

ftp... &
        sleep 3000&
        echo $!
        wait $! && kill -9 $pid
    )2>/dev/null &
) | read killerPID
kill $killerPID

John DuBois  spcecdt@armory.com  KC6QKZ/AE  http://www.armory.com/~spcecdt/

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