lan detection

gistfile1

#!/bin/bash

function wireless {
 case "$(uname)" in
  Linux)/sbin/iwconfig 2>/dev/null | awk -F\" '/ESSID/&&!/NOT READY/{print $2}';;
  Darwin)/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | awk '/ SSID/{print $2}';;
 esac
}

function int_ip {
 case "$(uname)" in
  Linux)/sbin/ifconfig | awk '/Bcast/{ split($2,a,":"); print a[2] }';;
  Darwin)/sbin/ifconfig | awk '/broadcast/{ print $2 }';;
 esac
}

[ $1 ] || wireless

for x;do case $x in
 -h)echo "use: $(basename $0) [-h][-e][-i][-w]";;
 -e)curl ip.cutup.org;echo;;
 -i)int_ip;;
 -w)wireless;;
esac;shift;done