If you want a zero-length parameter
Hm. Okay, you got me there. Mind you, in 30 years I don't remember ever having used a command that took a "zero length parameter".
Every command I'm aware of that takes a password has an option to supply it. And optional parameters always come at the end.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.