function extract
    if test (count $argv) -lt 1
        echo "Usage: extract <archive(s)> [output_directory]"
        return 1
    end

    set output_dir "."
    set archives $argv

    # If there's more than one argument, check the last one for a directory
    if test (count $argv) -gt 1
        set maybe_dir $argv[-1]
        if not test -f $maybe_dir
            set output_dir $maybe_dir
            mkdir -p $output_dir
            set archives $argv[1..-2]
        end
    else
        # If only one argument and it's a file, create directory with same name as archive (without extension)
        set archive $argv[1]
        if test -f "$archive"
            set output_dir (string replace -r '\.(tar\.gz|tgz|tar\.bz2|tbz2|tar\.xz|txz|gz|bz2|xz|zst|zip|7z|rar)$' '' (basename "$archive"))
            mkdir -p $output_dir
        end
    end

    for archive in $archives
        if not test -f "$archive"
            echo "extract: '$archive' is not a valid file"
            continue
        end

        set mime (file --mime-type -b "$archive")

        switch $mime
            case 'application/x-tar'
                tar xvf "$archive" -C "$output_dir"
            case 'application/gzip'
                tar xvzf "$archive" -C "$output_dir" ^/dev/null; or gunzip -c "$archive" > "$output_dir/(basename (string replace -r '\.gz$' '' "$archive"))"
            case 'application/x-bzip2'
                tar xvjf "$archive" -C "$output_dir" ^/dev/null; or bunzip2 -c "$archive" > "$output_dir/(basename (string replace -r '\.bz2$' '' "$archive"))"
            case 'application/x-xz'
                tar xvJf "$archive" -C "$output_dir" ^/dev/null; or unxz -c "$archive" > "$output_dir/(basename (string replace -r '\.xz$' '' "$archive"))"
            case 'application/zstd'
                tar --zstd -xvf "$archive" -C "$output_dir" ^/dev/null; or unzstd -c "$archive" > "$output_dir/(basename (string replace -r '\.zst$' '' "$archive"))"
            case 'application/zip'
                unzip -j "$archive" -d "$output_dir"
            case 'application/x-7z-compressed'
                7z x "$archive" -o"$output_dir"
            case 'application/x-rar' 'application/vnd.rar'
                unrar x -o+ "$archive" "$output_dir"
            case '*'
                echo "extract: unknown file type for '$archive' ($mime)"
                continue
        end
    end
end