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duti

Set default applications for document types and URL schemes on macOS.

  • 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}}