用脚本编写配置文件的更改

postfix下的转发配置文件更改

#!/bin/bash

POSTCONF='/etc/postfix/main.cf'                        ##配置文件的位置

ret=$(grep smtp_idns_filter_style $POSTCONF |awk -F '=' '{print $2}')    切割出配置文件要更改的部分

echo "the current is $ret"

BASE=hongkong

# Start the hongkong 

start ()

{

        echo $"Starting $BASE:"

        sed -i "s/smtp_idns_filter_style = none/smtp_idns_filter_style = exclude/g" $POSTCONF    ##替换配置文件更改内容

        ret=$(grep smtp_idns_filter_style $POSTCONF |awk -F '=' '{print $2}')

        echo "the current change is $ret"         

}

#Stop the hongkong

stop()

{

        echo $"Stoping $BASE:"

        sed -i "s/smtp_idns_filter_style = exclude/smtp_idns_filter_style = none/g" $POSTCONF

        ret=$(grep smtp_idns_filter_style $POSTCONF |awk -F '=' '{print $2}')

        echo "the current change is $ret"

}

case $1 in

start)

        start                              调用start（）函数

        /etc/init.d/postfix reload           加载配置文件

        ;;

stop)

        stop

        /etc/init.d/postfix reload

        ;;

*)

        echo $"Usage: $0 {start|stop}."

        exit 1

esac

exit 0