linux-kernel - Re: [PATCH] locking/atomics: Use sed(1) instead of non-standard head(1) option

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Message-ID: <20190618125259.GI3419@hirez.programming.kicks-ass.net>
Date:   Tue, 18 Jun 2019 14:52:59 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Will Deacon <will.deacon@....com>
Cc:     Michael Forney <mforney@...rney.org>,
        Boqun Feng <boqun.feng@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] locking/atomics: Use sed(1) instead of non-standard
 head(1) option

On Tue, Jun 18, 2019 at 01:16:25PM +0100, Will Deacon wrote:
> On Mon, Jun 17, 2019 at 10:33:06PM -0700, Michael Forney wrote:
> > POSIX says the -n option must be a positive decimal integer. Not all
> > implementations of head(1) support negative numbers meaning offset from
> > the end of the file.
> > 
> > Instead, the sed expression '$d' has the same effect of removing the
> > last line of the file.
> > 
> > Signed-off-by: Michael Forney <mforney@...rney.org>
> > ---
> >  scripts/atomic/check-atomics.sh | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Acked-by: Will Deacon <will.deacon@....com>

Thanks!