Should I need to remove the app already installed before using brew cask? : <p>I am a Mac user and I download apps on website through installing .dmg files. Recently, I find the Homebrew cask which is simplicity for installing app on Mac. Therefore, I want to switch to download some apps through Homebrew cask. However, I am wondering if there is an app I already installed by .dmg file on website, can I install it again through Homebrew cask, or should I uninstall it first before download the existed app?</p>

<p>For example, I already download sublime text by .dmg file on their official website. If I want to download sublime text through Homebrew cask next time. Should I uninstalled it first, then use cask to install, or I can install it directly by homebrew cask, if so, will I get duplicate files my on disk?</p>
