In your example you're using rails but isn't this a problem with every command line tool ever that has positional arguments? cp a b rm -f a b c etc

In your example you're using rails but isn't this a problem with every command line tool ever that has positional arguments? cp a b rm -f a b c etc. Is "a" a sub-command of cp or is it data? Is "a" in the rm command data or a value for the -f flag?