cask 'mp3gain-express' do version '2.3.1' sha256 '325efe7fc36480540ce963d480ce5bc04c1c12da6efb7c47e3fb07134fb0c812' url "https://projects.sappharad.com/mp3gain/mp3gain_mac#{version.no_dots}.zip" appcast 'https://projects.sappharad.com/mp3gain/updates.xml' name 'MP3Gain Express' homepage 'https://projects.sappharad.com/mp3gain/' app 'MP3Gain Express.app' end