Homebrew - Error: Unknown command: cask
If you’re a Mac developer, you’re surely familiar with Homebrew, and you’ve probably used brew-cask to install apps. Today, when I tried to install a program with brew cask, I kept getting the error “Error: Unknown command: cask” every time I ran brew cask install xxx, even though I had confirmed that brew cask was installed successfully. After searching the issues, I learned that this seems to be a bug in an older version, which has since been fixed. ...