linux shell语法综合实践2rsync start stop restart命令

#/bin/sh
#author wj
#
#rsync   Start/Stop Rsync service
#
#chkconfig:35 13 91
#description:this is Rsync service management shell script
#processname:rsyncd

#Source function library
. /etc/rc.d/init.d/functions
start(){
        rsync --daemon

        if [ $? -eq 0 -a `ps -ef|grep -v grep|grep rsync|wc -l` -gt 0 ]; then

#if和中括号[]之间有个空格,分号;和then之间有个空格/etc/init.d/rsyncd: line 14: syntax error near unexpected token `then'

#–微软的word中和linux中的-不一样

                action  "Starting Rsync:" /bin/true
                sleep 1
        else
                action "Starting Rsync:" /bin/false
                sleep 1
        fi
}
stop(){
        pkill rsync;sleep 1;pkill rsync
        #if [ $? -eq 0 -a ‘ps -ef|grep -v grep|grep rsync|wc -l’-lt 1 ]; then
    if [ `ps -ef|grep -v grep|grep "rsync --daemon" |wc -l` -lt 1 ]; then #“中文双引号应该是"英文双引号
action  "Stopping Rsync; ‘ps -ef|grep -v grep|grep rsync|wc -l’"  /bin/true
sleep 1
else
action "Stopping Rsync; ‘ps -ef|grep -v grep|grep 'rsync --daemon' |wc -l’" /bin/false
sleep 1
fi
}
case "$1" in  #case的c小写否则报错:/etc/init.d/rsyncd: line 33: Case: command not found
        start)     #/etc/init.d/rsyncd: line 33: unexpected EOF while looking for matching `"'    $1的双引号是中文
           start   #/etc/init.d/rsyncd: line 34: syntax error near unexpected token `)' 正确的"$1"用vim编辑是紫色的
                ;;   #/etc/init.d/rsyncd: line 34: `  start )'
        stop)
           stop
           ;;
        restart|reload)
        $0 stop
        $0 start
          ;;
   *)
echo $"Usage: $0{start|stop|restart|reload}"
                        ;;
  esac