Script help

[Tom Brown]

>
> $ IP="1234.2345.3456.4578"
> $ echo $IP | cut -d. -f3
> 3456
>
>   by the way, i don't think it solves any of your exact problems, but
>
> $ man ipcalc
>
>   


thanks all - i have 'solved' this in my case (no pun intended) with the 
following

ADDR=`ifconfig | grep inet | head -1 | awk {'print$2'} | cut -d. -f3`

case "$ADDR" in
    66)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.66;
         ;;
    76)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.76';
         ;;
    77)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.77';
         ;;
    78)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.78';
         ;;
    86)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.86';
         ;;
    *)
         wget 
http://192.168.10.4/cobbler/ks_mirror/posts/autofs/auto.xxx.default;
         ;;
esac