Imperfect as well because any filename starting with a dash will be interpreted as an option to ls. Nitpicking… or maybe not: if you take the habit of running

Imperfect as well because any filename starting with a dash will be interpreted as an option to ls. Nitpicking… or maybe not: if you take the habit of running `cmd * ` whatever the command, I guess you might end up writing dangerous things like `rm * ` in a script which will fatally end up running in a directory containing a file named “-R”.