Shell script to restart USB wifi adapter on Linux

restart-usb-wifi.sh

#!/bin/sh
  
for device in $(ls /sys/bus/usb/devices/*/product) ; do
        dir="$(dirname "$device")"
        if [ "$(cat "$device")" = "802.11n NIC" ] ; then
                port="$(basename "$dir")"
                echo Restarting "$port"...
                echo "$port" > /sys/bus/usb/drivers/usb/unbind
                sleep 2
                echo "$port" > /sys/bus/usb/drivers/usb/bind
                echo "Port $port restarted."
        fi
done