Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!dptechno!dave
From: dave@dptechno.UUCP (Dave Lee)
Newsgroups: comp.unix.shell
Subject: Re: pipe equivalent to /dev/null ???
Message-ID: <578@dptechno.UUCP>
Date: 13 Sep 90 23:08:54 GMT
References: <8720001@hpdmd48.boi.hp.com> <3841@se-sd.SanDiego.NCR.COM>
Reply-To: dave@dptechno.UUCP (Dave Lee)
Organization: D.P. Technology Corp. Camarillo California
Lines: 49

In article <3841@se-sd.SanDiego.NCR.COM> rns@se-sd.SanDiego.NCR.COM (Rick Schubert) writes:
>In <8720001@hpdmd48.boi.hp.com> oscarh@hpdmd48.boi.hp.com (Oscar Herrera) writes:
>
>>Is there an equivalent 'pipe' like entity to /dev/null ?
>>What I'd like to do is something like this 
>>	anycommand | bitbucket
>
>I've seen responses of
>	anycommand | true
>and
>	anycommand | cat >/dev/null
>
>What about
>	anycommand | :
>?
>
>I'm not sure if this is shell-specific, but it works with the Bourne
>shell and the C shell, at least on our system.
>


Beautiful !. Elegent and clean. (Although I still dont know why ">/dev/null"
wont do...)

I Tried this in /bin/csh on a HP-UX 7.0 system 9000/345 and got the most
interesting message

	Reset tty pgrp from 391 to 366

Then a quick "Jobs" command gives

	[2]  -Broken pipe          yes |


Another quick "Jobs" shows nothing.

a strings on /bin/csh shows
	Reset tty pgrp from %d to %d

Just what is this trying to say?  Am I supposed to change prgrp or is the shell
just telling me it has. 

Which shell, the parent or the forked ":" ?.



-- 
Dave Lee
uunet!dptechno!dave