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Make use of that physical button on the side of your laptop to run scripts instead of only turning your wifi on/off.
#!/bin/sh # Simple bash script to run any command using the hardware radio switch on lenovo thinkpad x201 # The script checks the status of your wifi card's transmit power. # Important, the script below assumes your wifi is ON when running the script. It checks this every two seconds and when you flip the switch will run a command (echo "Wifi is OFF") and stop the script (break) while true; do if iwconfig wlp2s0 | grep 'Tx-Power=off' > /dev/null; then echo -e '\a' #beep to indicate interaction echo "Wifi is OFF" break else echo "Wifi is ON" fi sleep 2 done