请帮忙看看这个shell脚本是什么错误！

areszeng

我对AIX的shell是一点多不熟，现在又急着要用一个东西，请各位大侠帮忙看看 这个脚本的错误在那里。

他执行的时候是报这个错误
# ./desknow start
./desknow[59]: 0403-057 Syntax error at line 59 : `(' is not expected.


脚本的代码如下：

#!/bin/sh
#
# Startup script for DeskNow
#
# description: DeskNow is a mail, webmail, instant messaging and collaboration server
# processname: desknow
# pidfile: /var/run/desknow.pid
# config:  /etc/desknow/desknow.conf
#

# Source function library.
if [ -x /etc/rc.d/init.d/functions ]; then
. /etc/rc.d/init.d/functions
fi

# Get desknow config

DESKNOW_CFG="/etc/desknow.conf"

[ -r "$DESKNOW_CFG" ] && . "${DESKNOW_CFG}"

CATALINA_HOME="$DESKNOW_HOME"
JASPER_HOME="$DESKNOW_HOME"
CATALINA_TMPDIR="$DESKNOW_HOME/temp"

# What user should run desknow.
# root is needed to open SMTP and POP3 ports
DESKNOW_USER="root"

# Path to the desknow launch script
DESKNOW_SCRIPT="$DESKNOW_HOME/bin/catalina.sh"

# desknow name
DESKNOW_PROG=desknow
        
RETVAL=0

# See how we were called.
start() {
    echo -n "Starting $DESKNOW_PROG: "

    chown -R $DESKNOW_USERDESKNOW_USER $CATALINA_HOME/logs
    chown -R $DESKNOW_USERDESKNOW_USER $CATALINA_HOME/work
    chown -R $DESKNOW_USERDESKNOW_USER $CATALINA_TMPDIR
    chown -R $DESKNOW_USERDESKNOW_USER $CATALINA_HOME/webapps

    if [ -x /etc/rc.d/init.d/functions ]; then
        daemon --user $DESKNOW_USER $DESKNOW_SCRIPT start
    else
        su - $DESKNOW_USER -c "$DESKNOW_SCRIPT start"
    fi

    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && touch /var/lock/subsys/desknow
    return $RETVAL
}

stop() {
    echo -n "Stopping $DESKNOW_PROG: "
    if [ -x /etc/rc.d/init.d/functions ]; then
        daemon --user $DESKNOW_USER $DESKNOW_SCRIPT stop
    else
        su - $DESKNOW_USER -c "$DESKNOW_SCRIPT stop"
    fi
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && rm -f /var/lock/subsys/desknow /var/run/desknow.pid
}


# See how we were called.
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        sleep 40
        ;;
  restart)
        stop
# Ugly hack
        sleep 30
        start
        ;;
  condrestart)
        if [ -f /var/run/desknow.pid ] ; then
                stop
                start
        fi
        ;;
  *)
        echo "Usage: $DESKNOW_PROG {start|stop|restart|condrestart}"
        exit 1
esac

exit $RETVAL


请帮忙！先谢谢了！