fish-shell/share/functions/__fish_complete_mime.fish

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function __fish_complete_mime -d "Complete using text files"
# Find all possible file completions
set -l all
set -l comp (commandline -ct)
set -l base (echo $comp | sed -e 's/\.[a-zA-Z0-9]*$//')
set -l mimetype $argv[1]
eval "set all $base*"
# Select text files only
set -l files (__fish_filter_mime $mimetype $all)
# Get descriptions for files
set desc (mimedb -d $files)
# Format completions and descriptions
set -l res
for i in (seq (count $files))
set res $res $files[$i]\t$desc[$i]
end
if test $res[1]
printf "%s\n" $res
end
end