unknown command switch

[Bluelich]

brew config output

HOMEBREW_VERSION: 3.0.2
ORIGIN: https://github.com/Homebrew/brew
HEAD: b712bcc
Last commit: 7 days ago
Core tap ORIGIN: https://github.com/Homebrew/homebrew-core
Core tap HEAD: 81c64f2
Core tap last commit: 73 minutes ago
Core tap branch: master
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 8
Homebrew Ruby: 2.6.3 => /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby
CPU: octa-core 64-bit kabylake
Clang: 12.0 build 1200
Git: 2.24.3 => /Applications/Xcode.app/Contents/Developer/usr/bin/git
Curl: 7.64.1 => /usr/bin/curl
macOS: 11.2-x86_64
CLT: 11.0.33.8
Xcode: 12.4

brew doctor output

Your system is ready to brew.

---

• The brew doctor above contains no "Warning" lines.

What were you trying to do (and why)?

brew switch cocapods 1.9.3

What happened (include all command output)?

unknown command switch

What did you expect to happen?

"switch" command works fine.

Step-by-step reproduction instructions (by running brew commands)

brew switch cocapods 1.9.3.

[jonchang]

This was deprecated 3 months ago. Use brew extract in your own tap instead. https://brew.sh/2020/12/01/homebrew-2.6.0/