[TUHS] basic tools / Universal Unix

[Random832]

On Wed, Oct 18, 2017, at 19:03, Doug McIlroy wrote:
> > But mind you, in preparation of this email i found a bug in
> > Busybox sed(1) which simply echoes nothing for the above.
> 
> I assume that * is a typo for - . If so, sed did just what
> -n tells it to--no printing except as called for by p or P.

Or, you know, l (the letter ell). Which busybox sed appears to not
support at all, rather than somehow misapplying -n to it.