duti

Set default applications for document types and URL schemes on macOS. More information: https://github.com/moretension/duti.

• Set Safari as the default handler for HTML documents:
  duti -s {{com.apple.Safari}} {{public.html}} all
• Set VLC as the default viewer for files with .m4v extensions:
  duti -s {{org.videolan.vlc}} {{m4v}} viewer
• Set Finder as the default handler for the ftp:// URL scheme:
  duti -s {{com.apple.Finder}} "{{ftp}}"
• Display information about the default application for a given extension:
  duti -x {{ext}}
• Display the default handler for a given UTI:
  duti -d {{uti}}
• Display all handlers of a given UTI:
  duti -l {{uti}}