# Downloads the tarballs for the given formulae to the Cache require 'formula' require 'fileutils' ARGV.formulae.each do |f| if ARGV.include? "--force" or ARGV.include? "-f" where_to = `brew --cache #{f.name}`.strip FileUtils.rm_rf where_to unless where_to.empty? end the_tarball = f.downloader.fetch md5 = the_tarball.md5 puts "MD5 is #{md5}" end