#!/bin/sh
# requires curl for ext ip and wireless-tools for wlan

[ $1 ] || $0 -w
for x;do case $x in
 -a)$0 -w -e -i;;
 -e)curl -s ip.cutup.org;echo;;
 -h)echo "use: $(basename $0) [-a][-e][-h][-i][-w]";;
 -i)/sbin/ifconfig 2>/dev/null | awk '
  $1 == "wlan0" { x=1 }
  x && $1 == "inet" { x=0; split($2,a,":"); print a[2]}
  ';;
 -w)/usr/sbin/iwconfig 2>/dev/null | awk '
  $1 == "wlan0" && $2 != "NOT" && $3 != "READY" {
  split($NF,a,"\""); print a[2]
  }';;
esac;shift;done