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Date: Wed, 7 Jan 2009 16:48:54 +0100
From: Ulrich Spoerlein <uspoerlein@gmail.com>
To: "Sean C. Farley" <scf@FreeBSD.org>
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	Sheldon Givens <sheldon@sigsegv.ca>, freebsd-hackers@FreeBSD.org
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Cc: freebsd-hackers@FreeBSD.org, Sheldon Givens <sheldon@sigsegv.ca>
Subject: Re: Small change to 'ps'
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On Wed, 07.01.2009 at 08:54:41 -0600, Sean C. Farley wrote:
> On Wed, 7 Jan 2009, Ulrich Spoerlein wrote:
> 
> > On Tue, 06.01.2009 at 11:52:39 -0800, Sheldon Givens wrote:
> >> Hello everyone,
> >>
> >> It occurs to me that FreeBSD ps lacks the ability to disable header. 
> >> This seems like a really obvious feature, and I may have simply 
> >> missed it's existence (despite my relentlessly searching the man 
> >> page) but here is a small patch that sets the flag 'n' to disable 
> >> header output.
> >
> > You've missed it, probably because it is non-obvious:
> >
> > % ps -p 1 -o pid,cpu
> >  PID CPU
> >    1   0
> > % ps -p 1 -o pid= -o cpu=
> >    1   0
> > %
> 
> Another way:
> ps | tail +2

I'm not sure about the portability of tail +N, I seem to remember that
AIX doesn't support it. Therefore I'd rather use

% ps | sed 1d

which is way more portable.

Cheers,
Ulrich Spoerlein
-- 
It is better to remain silent and be thought a fool,
than to speak, and remove all doubt.