/usr/share/fish/completions/uniq.fish is in fish-common 2.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | if uniq --version > /dev/null ^ /dev/null
complete -c uniq -s c -l count --description "Print number of occurences"
complete -c uniq -s d -l repeated --description "Only print duplicates"
complete -c uniq -s D -l all-repeated --description "Remove non-duplicate lines" -f -x -a "
none\t'Remove none-duplicate lines'
prepend\t'Remove non-duplicate lines and print an empty line before each non-duplicate'
separate\t'Remove non-duplicate lines and print an empty line between each non-duplicate'
"
complete -c uniq -s f -l skip-fields --description "Avoid comparing first N fields" -r
complete -c uniq -s i -l ignore-case --description "Case insensitive"
complete -c uniq -s s -l skip-chars --description "Avoid comparing first N characters" -r
complete -c uniq -s u -l unique --description "Only print unique lines"
complete -c uniq -s w -l check-chars --description "Compare only specified number of characters" -r
complete -c uniq -l help --description "Display help and exit"
complete -c uniq -l version --description "Display version and exit"
else # OS X
complete -c uniq -s c -d 'Precede each output line with count of it\'s occurrence'
complete -c uniq -s d -d 'Only print duplicates'
complete -c uniq -s f -d 'Avoid comparing first N fields' -x
complete -c uniq -s s -d 'Avoid comparing fist N characters' -x
complete -c uniq -s u -d 'Only print unique lines'
complete -c uniq -s i -d 'Case insensitive comparision'
end
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