fish-shell/share/completions/cut.fish

if cut --version &>/dev/null
    complete -c cut -s b -l bytes -x -d "Select byte positions"
    complete -c cut -s c -l characters -x -d "Select characters"
    complete -c cut -s d -l delimiter -x -d "Select field delimiter"
    complete -c cut -s f -l fields -x -d "Select fields"
    complete -c cut -s n -d "Don't split multi-byte characters"
    complete -c cut -l complement -d "complement the set of selected bytes, characters or fields"
    complete -c cut -s s -l only-delimited -d "Suppress lines without delimiter"
    complete -c cut -l output-delimiter -x -d "Select output delimiter"
    complete -c cut -s z -l zero-terminated -d "line delimiter is NUL, not newline"
    complete -c cut -l help -d "Display help and exit"
    complete -c cut -l version -d "Display version and exit"
else
    complete -c cut -s b -x -d "Select byte positions"
    complete -c cut -s c -x -d "Output character range"
    complete -c cut -s d -x -d "Delimiter instead of \t to use"
    complete -c cut -s f -x -d "Select fields"
    complete -c cut -s n -d "Don't split multi-byte characters"
    complete -c cut -s s -d "Supress lines without delimiter"
    complete -c cut -s w -d "Use whitespace as delimiter"
end