dotfiles/fish/functions/fs.fish

function fs --description "Determine size of a file or total size of a directory"
    if du -b /dev/null >/dev/null 2>&1
        set arg -sbh
    else
        set arg -sh
    end

    if test -n "$argv"
        du $arg -- $argv
    else
        du $arg .[^.]* *
    end
end