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From: Michael Poole <mdpoole@troilus.org>
To: Stephen Rothwell <git@ozlabs.org>
Cc: Josh Triplett <josh@freedesktop.org>, git@vger.kernel.org
Subject: Re: [PATCH] Remove useless uses of cat, and replace with filename arguments or redirection
Date: Tue, 05 Jun 2007 23:51:52 -0400	[thread overview]
Message-ID: <87sl957naf.fsf@graviton.dyn.troilus.org> (raw)
In-Reply-To: <20070606133915.d72e4afe.git@ozlabs.org> (Stephen Rothwell's message of "Wed\, 6 Jun 2007 13\:39\:15 +1000")

Stephen Rothwell writes:

> On Tue, 05 Jun 2007 18:34:59 -0700 Josh Triplett <josh@freedesktop.org> wrote:
>>
>> -commits=$(cat ../revs | wc -l | tr -d " ")
>> +commits=$(wc -l ../revs | tr -d " ")
>
> This is not equivalent, you probably wanted:
>
> commits=$(wc -l <../revs | tr -d " ")

Which relevant version(s) of wc do not accept filename arguments?
POSIX[1] seems to specify it.  Or do you mean that there is some
subtle difference in its processing of stdin vs specified files?

[1]- http://www.opengroup.org/onlinepubs/000095399/utilities/wc.html

Michael Poole

  reply	other threads:[~2007-06-06  3:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-06  1:34 [PATCH] Remove useless uses of cat, and replace with filename arguments or redirection Josh Triplett
2007-06-06  3:39 ` Stephen Rothwell
2007-06-06  3:51   ` Michael Poole [this message]
2007-06-06  3:58     ` Martin Langhoff
2007-06-06  4:54       ` Stephen Rothwell
2007-06-06  6:38         ` Martin Langhoff

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