sleeping for 30 seconds

[Richard P. Williamson]

At 13:08 26/03/2004, Jan Grant wrote:
>On Fri, 26 Mar 2004, Richard P. Williamson wrote:
>
>You might, if the possibility is there, want to use the exit value of
>the main process to indicate errors, which is perhaps a little more
>reliable.

Except it doesn't tell me how long it ran for before it falling
over, which is the bit I need to look at.

>If you want the time in seconds between two points, you might try
>something like this:
>
>        start_time=`date +%s`
>        # ... do something
>        end_time=`date +%s`
>        time_taken=$(($end_time - $start_time))

That's what I'm looking for, thanks!

(that, and )

if [ $time_taken -lt 10 ]; then
  sleep 50
fi

Regards, and thanks!
rip