watcher.sh

#!/bin/bash
#   ____ __  __ ___ ________  _   ___   __         __        __    _       _               
#  / ___|  \/  |_ _|__  / _ \| \ | \ \ / /         \ \      / /_ _| |_ ___| |__   ___ _ __ 
# | |   | |\/| || |  / / | | |  \| |\ V /   _____   \ \ /\ / / _` | __/ __| '_ \ / _ \ '__|
# | |___| |  | || | / /| |_| | |\  | | |   |_____|   \ V  V / (_| | || (__| | | |  __/ |   
#  \____|_|  |_|___/____\___/|_| \_| |_|              \_/\_/ \__,_|\__\___|_| |_|\___|_|   
#
#
# Linux: apt-get install inotifywait
#

PROJECT=~/Documents/MyProject # 1. Project watched
 
type -P inotifywait &>/dev/null || { echo "inotifywait command not found."; exit 1; }
cd $PROJECT
 
while true
do

  grunt jshint # 2. List of shell
  grunt jscs   # commands to execute

  inotifywait -r -q -e modify,attrib,close_write,move,create,delete  \ 
  --format '%T %:e %f' --timefmt '%c' \
  app/ # 3. List of folders to watch

done