Easy new command line program for removing tun# adapters

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#::  QUICK AND EASY COMMAND TO GE RID OF ANY REMAINING OLD tun# ADAPTERS FROM openvpn COMMAND LINE                           ::
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# ImPerial TeK. Solutions (ITS)
# Copyright (C) 2018 v1ral <ImPerialTeKSolutions@outlook.com
#!/bin/bash
PROGRAM="ipdel"
# Name of our program
S="sudo"
# You will need elevated privledges to run this script
LIST="ifconfig"
# To show you the active running adapters
RMV="ip link del"
# To remove the chosen active adapter
echo -e "\n"
echo -e "For help about this command, please type --help\n"
if [[ $1 == --help ]]; then
    echo -e "\nUsage: $PROGRAM <command>"
    echo -e "\nCommands are"
    echo -e     "   list  List the currently active adapters being used by your internet"
    echo -e     "   rmv   Remove any currently listed and active adapters being used by your internet"
fi
if [[ $1 == list ]]; then
    $S $LIST
fi
if [[ $1 == rmv ]]; then
    echo -e "Please first enter the command ipdel list, if you have already done so \ncopy and paste now the name including the number if its a tun adapter: "
    read TUN
    $S $RMV $TUN
fi