Simple script that starts and stops Zscaler on Mac OSX

zscaler.sh

#!/usr/bin/env bash

case $# in
  0)
    echo >&2 "Usage: $0 {start|stop}"
    exit 1
    ;;
  1)
    case $1 in
      start)
        echo >&2 "Starting Zscaler..."
        sudo sh -c "launchctl load /Library/LaunchDaemons/com.zscaler.service.plist && launchctl load /Library/LaunchDaemons/com.zscaler.tunnel.plist"
        ;;
      stop)
        sudo sh -c "launchctl unload /Library/LaunchDaemons/com.zscaler.service.plist && launchctl unload /Library/LaunchDaemons/com.zscaler.tunnel.plist"
        ;;
      *)
        echo >&2 "'$1' is not a valid verb."
        echo >&2 "Usage: $0 {start|stop}"
        exit 2
        ;;
    esac
    ;;
  *)
    echo >&2 "Too many args provided ($#)."
    echo >&2 "Usage: $0 {start|stop}"
    exit 3
    ;;
esac