networkinfo

#!/bin/bash

#from http://unix.stackexchange.com/questions/74699/get-network-information-through-ubuntu-terminal

if ! /bin/ip route | grep -q ^default; then
  echo "No Internet connection"
  echo
  exit 0
fi
if="$(/bin/ip route |
  awk '$1 == "default" {for (i=2;i<=NF;i++) if ($i == "dev") { i++;print $i; exit}}')"
if [ -z "$if" -o \! -e /sys/class/net/"$if" ]; then
  echo "Sorry, some error, aborting."
  echo
  exit 1
fi
if /usr/sbin/iw dev "$if" info &>/dev/null; then
  echo "The Internet connection is wireless."
  echo
  # uncomment the next line to start iwconfig
  # iwconfig
else
  echo "The Internet connection is wired."
  echo
fi