#!/bin/bash
# This script removes the specified interface if it exists

if [[ $EUID != 0 ]]; then
	echo "This script needs sudo priveleges"
	echo "Exiting..."
	exit 1
fi

for INT in $(ls /sys/class/net); do
    if [[ $INT == $1 ]]; then
        /sbin/ip link delete dev $1 type tap
        DELETED=true
        break
    fi
done

if [[ !$DELETED ]]; then
    echo "Interface $1 not found, nothing to delete"
    exit 1
fi