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#!/bin/env sh   program=`basename $0|awk -F. '{print $1}'` lock=/var/lock/subsys/$program source /etc/rc.d/init.d/functions   function start(){     if [ -e $lock ];then         echo "$program is already running" && return 2     else         touch $lock && action "$program started" /bin/true && return 0     fi }   function stop(){     if [ ! -e $lock ];then         action "$program is not running" /bin/false && return 3     else         rm -f $lock && action "$program stopped" /bin/true && return 0     fi }   function status(){     if [ ! -e $lock ];then         action "$program is not running" /bin/false && return 0     else         action "$program is running" /bin/true && return 0     fi }   function usage(){     action "usage:$program start|stop|status|restart" /bin/false && return 6 }   if [ $# -ne 1 ];then     usage     exit 5 fi   case $1 in start)     start     ;; stop)     stop     ;; status)     status     ;; restart)     stop     start     ;; *)      usage     ;; esac