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