Hi,

how about:

#!/bin/sh

if ! ping -c 3 known_address_which_is_in_etc_hosts | grep -q "round-trip"
        then
                do_your_stuff
fi

We use this to check our leased line every 5 mins.

Maarten

_______________________________________________________________________
| Maarten Boekhold, Faculty of Electrical Engineering TU Delft,   NL  |
|   [EMAIL PROTECTED] [EMAIL PROTECTED]   |
|                  Take life as a party!                              |
-----------------------------------------------------------------------

Reply via email to