Easy steps to install cloudformation-guard package on Mac
Package Information:
Application Name – cloudformation-guard
What is cloudformation-guard – Not Available for cloudformation-guard
Use of cloudformation-guard – Checks CloudFormation templates for compliance using a declarative syntax
URL – https://github.com/aws-cloudformation/cloudformation-guard
Installation Steps:
- Open Terminal using Spotlight search by pressing 
<command+space>. Type terminal and hitEnterkey. - Now, run following command to install homebrew (brew)
 - Install cloudformation-guard using brew
brew install cloudformation-guard
 

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

cloudformation-guard is ready to use now!