do
         case $flag in
              d)
                   echo "install directory path: "$OPTARG
                   install_path=$OPTARG
                   ;;
              i)
                   echo "cronhub center server‘s ip: "$OPTARG
                   center_server_ip=$OPTARG
                   ;;
              p)
                   echo "cronhub center server‘s port: "$OPTARG
                   center_server_port=$OPTARG
                   ;;
              s)
                   echo "daemon boot start port‘s port: "$OPTARG
                   daemon_port=$OPTARG
                   ;;
?) usage
                   ;;
         esac
    done
fi
mkdir -p $install_path
cd $install_path;
jdk_bin="jdk.bin";
jdk_bin_path=$install_path"/"$jdk_bin;
java_home=$install_path"/jdk1.6.0_30";
base_url="http://${center_server_ip}:${center_server_port}/download/";
jdk_download_url=$base_url"jdk-6u30-linux-x64.bin"
jsvc_zip="jsvc.zip";
jsvc_dir="jsvc";
jsvc_url=$base_url$jsvc_zip;
jar_name="DispatchSystemDaemon.jar";
daemon_url=$base_url$jar_name;
daemon_jar_path=$install_path"/"$jar_name;
jsvc_dir=$install_path"/"$jsvc_dir;
jsvc_target_bin=$jsvc_dir"/jsvc";

#install jdk
if [ ! -e $jdk_bin_path ];
then
   wget $jdk_download_url -O $jdk_bin_path;
   chmod 755 $jdk_bin_path;
   $jdk_bin_path;
fi;

#install jsvc
if [ ! -e $install_path"/"$jsvc_zip ];
then
   wget $jsvc_url;
fi
if [[ -e $install_path"/"$jsvc_zip && ! -e $jsvc_target_bin ]];
then
   unzip $jsvc_zip;
fi;
if [ ! -e $jsvc_target_bin ];
then
   cd $jsvc_dir;
   chmod +x configure;
   chmod +x make;
   ./configure --with-java=$java_home;
   make;
   cd $install_path;
fi;

#install daemon jar
if [ ! -e $daemon_jar_path ];
then
   wget $daemon_url;
fi;
ps_num=`ps -ef|grep $jar_name|grep $daemon_port|grep -v grep|grep -v sh|wc -l`;
if [ $ps_num -gt 0 ];
then
   kill_pid=`ps -ef|grep $jar_name|grep $daemon_port|grep -v grep|grep -v sh|awk -F ‘ ‘ ‘{print $2}‘`;
   echo "kill  "$kill_pid" .process numer is "$ps_num;
   kill $kill_pid;
   echo "killing service to reboot service...";
   sleep 2;
fi;
#add to system service
cmd="$jsvc_target_bin -home $java_home -Xmx2000m -pidfile $install_path/$daemon_port.pid -cp $daemon_jar_path com.baofeng.dispatchexecutor.boot.DaemonBoot -p $daemon_port";
echo -e "#description:cronhub_daemon
#chkconfig:231 80 80
case \"\$1\" in
start)
\t${install_path}/jsvc/jsvc -home ${install_path}/jdk1.6.0_30 -Xmx2000m -pidfile ${install_path}/$daemon_port.pid -cp ${install_path}/DispatchSystemDaemon.jar com.baofeng.dispatchexecutor.boot.DaemonBoot -p $daemon_port
\t;;
esac
" > /etc/init.d/cronhub_daemon
/sbin/chkconfig --add cronhub_daemon
#start daemon
echo "adding to service done,now start daemon service..."
chmod +x /etc/init.d/cronhub_daemon
/sbin/service cronhub_daemon start
echo "all done"
#the final start cmd
#$jsvc_target_bin -home $java_home -Xmx2000m -pidfile $install_path"/"$daemon_port".pid" -cp $daemon_jar_path com.baofeng.dispatchexecutor.boot.DaemonBoot -p $daemon_port

---

【转载】shell的getopts范例

#!/sbin/sh
# ftpuseradd
usage()
{
echo "Usage: `basename $0` [-w] [-m maxrate] username password"
exit 1
}
WRITABLE="no" # can‘t upload
MAXRATE="64000" # default max rate is 64Kb
OPT="no"

while getopts :wm: OPTION
do
 case $OPTION in
 w) WRITABLE="yes"
   OPT="yes"
   ;;
 m) MAXRATE=$OPTARG
   OPT="yes"
   ;;
 \?) usage
   ;;
 esac
done

shift `expr $OPTIND - 1`

if [ $# -ne 2 ]
then
 usage
fi

USERNAME=$1
PASSWORD=$2

useradd -d /dev/null -g ftp -s /bin/false $USERNAME

if [ $? -eq 0 ]
then
 setpasswd.exp $USERNAME $PASSWORD > /dev/null

 echo "anon_world_readable_only=NO" > /etc/vsftpd/$USERNAME
 echo "anon_max_rate=$MAXRATE" >> /etc/vsftpd/$USERNAME

 if [ "$WRITABLE" = "yes" ]
 then
   echo "write_enable=YES" >> /etc/vsftpd/$USERNAME
   echo "anon_upload_enable=YES" >> /etc/vsftpd/$USERNAME
   echo "anon_mkdir_write_enable=YES" >> /etc/vsftpd/$USERNAME
   echo "anon_other_write_enable=YES" >> /etc/vsftpd/$USERNAME
 fi

 echo "$USERNAME" >> /etc/vsftpd.user_list