Tomato 清除NVRAM中的空值

JDP

1. #!/bin/sh
   
2. test -f /tmp/nvramshow && rm /tmp/nvramshow
   
3. nvram show >> /tmp/nvramshow
   
4. i=0
   
5. while read -r line; do
   
6. val=${line#*=}
   
7. var=${line%*=}
   
8. if [[ "$val" == "" ]] && [[ "$var" != "wl_wpa_psk" ]]; then
   
9.         echo unset $var
   
10.         nvram unset $var
    
11. fi
    
12. i=`expr $i + 1`
    
13. if [[ $i == 50 ]]; then
    
14.         sleep 2
    
15.         i=0
    
16. fi
    
17. done < /tmp/nvramshow
    
18. exit 0

複製代碼

Reference:
http://www.dd-wrt.com/wiki/index.php/Asus_RT-N16
http://www.quakemachinex.com/blog/?p=218