"lpr -l" or "lpr -o raw" not work and "lpr" work

[Sergio Gelli]

> Is that a custom alias you've set up?  If not, you probably need a space
> between the 'lpr' and the '-' sign introducing the option.
>
> --
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Don't read everything you believe.

Sorry.
All commands have spaces after "lpr"
If you use these commands (without space) the system responds differently.

[Sergio pclinuxos @ ~] $ lpr-a
bash: lpr-a: command not found

But using lpr -l, anything goes to the printer.
But nothing is printed.