_darcs/current/contrib/ifstate

   1 #!/bin/sh
   2
   3 iface="$1"
   4 if [ -z "$iface" ] ; then
   5         echo "Usage: $0 IFACE"
   6         exit 1
   7 fi
   8
   9 if ifconfig "$iface" | grep -Fw UP >/dev/null
  10 then
  11         echo UP
  12 else
  13         echo DOWN
  14 fi