#!/usr/bin/env bash function start() { adb start-server nohup gnirehtet autorun &> /dev/null & printf "Started reverse tethering \n" } function stop() { adb kill-server gnirehtet stop pkill gnirehtet printf "Stopped reverse tethering \n" } case "$1" in start) start ;; stop) stop ;; restart) stop; start ;; *) printf "start | stop | restart \n" >&2 exit 1 ;; esac