run with timeout

gistfile1.sh

#!/bin/bash

WORKING_DIR=`dirname $0`

prog=${0##*/}
usage="usage: $prog [-signal] [timeout] [:interval] [+delay] [--] <command>"

SIG=-TERM   # default signal sent to the process when the timer expires
timeout=60  # default timeout
interval=15 # default interval between checks if the process is still alive
delay=2     # default delay between posting the given signal and
        # destroying the process (kill -KILL)

while :
do
    case $1 in
    --) shift; break ;;
    -*) SIG=$1 ;;
    [0-9]*) timeout=$1 ;;
    :*) EXPR='..\(.*\)' ; interval=`expr x"$1" : "$EXPR"` ;;
    +*) EXPR='..\(.*\)' ; delay=`expr x"$1" : "$EXPR"` ;;
    *)  break ;;
    esac
    shift
done

case $# in
0)  echo "$prog: $usage" >&2 ; exit 2 ;;
esac

(
    for t in $timeout $delay
    do
        while (( $t > $interval ))
        do
            sleep $interval
            kill -0 $$ || exit
            t=$(( $t - $interval ))
        done
        sleep $t
        kill $SIG $$ && kill -0 $$ || exit 3
        SIG=-KILL
    done
) 2> /dev/null &
exec "$@"