From mboxrd@z Thu Jan  1 00:00:00 1970
From: random832@fastmail.com (Random832)
Date: Wed, 18 Oct 2017 23:53:53 -0400
Subject: [TUHS] basic tools / Universal Unix
In-Reply-To: <201710182303.v9IN35Bv030527@coolidge.cs.Dartmouth.EDU>
References: <201710182303.v9IN35Bv030527@coolidge.cs.Dartmouth.EDU>
Message-ID: <1508385233.3734780.1143734600.41F5D5EE@webmail.messagingengine.com>

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.