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Date: Wed, 30 Apr 1997 13:04:10 +1000 (EST)
From: Iain Templeton <iaint@CU-SeeMe.educ.utas.edu.au>
To: Steve Howe <un_x@anchorage.net>
cc: freebsd-questions <questions@freebsd.org>
Subject: Re: no pipes allowed
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On Tue, 29 Apr 1997, Steve Howe wrote:

> 
> why is it that some commands like "ls" and "which" won't accept pipes?
> 
> echo /etc | ls (will just list the current directory, not /etc)
> echo  ppp | which (does nothing ...  no /usr/sbin/ppp)

I think the problem here is that the programs do not read their std input
for the file names, they look at the command line arguments.

Using ls `echo /etc` would work, but thats probably not what you need.

i.