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machange.sh
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/
machange.sh
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#!/bin/bash
device=$(iwconfig 2>/dev/null | grep IEEE | awk '{print $1}')
if (($(echo $device | grep " "))); then
echo "Too many devices… Modify script for having better results"
echo "Try putting your favorite device in \"device\" variable and remove this test"
exit 1
fi
if [ ! -e ~/.known_mac_address ]; then
echo "~/.known_mac_address doesn't exist. Please create it and add your mac addresses"
exit 1
fi
echo
echo "know mac addresses :"
echo
cat ~/.known_mac_address | awk -v var=1 '{print var"-" $0; var++}'
echo
echo "----------------------"
echo "Please choose one giving its line :"
read value
echo "you have choosen $(cat ~/.known_mac_address | awk '{print $1}' | head -n$value | tail -n1)"
new_mac_address="$(cat ~/.known_mac_address | awk '{print $2}' | head -n$value | tail -n1)"
echo
echo "changing your mac address"
# part done as root
sudo ip link set dev $device down # push down interface
sudo ip link set dev $device address $new_mac_address # set new mac address
sudo ip link set dev $device up # push up interface