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Date:      Wed, 07 Jul 2010 21:58:53 +0400
From:      Anonymous <swell.k@gmail.com>
To:        Doug Barton <dougb@FreeBSD.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, Benedict Reuschling <bcr@FreeBSD.org>, src-committers@freebsd.org
Subject:   Re: svn commit: r209772 - head/usr.bin/getopt
Message-ID:  <86zky3897m.fsf@gmail.com>
In-Reply-To: <4C34BDF7.1020201__3943.14767695523$1278525000$gmane$org@FreeBSD.org> (Doug Barton's message of "Wed, 07 Jul 2010 10:48:39 -0700")
References:  <201007071744.o67Hi9IU059462@svn.freebsd.org> <4C34BDF7.1020201__3943.14767695523$1278525000$gmane$org@FreeBSD.org>

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Doug Barton <dougb@FreeBSD.org> writes:

> On 7/7/2010 10:44 AM, Benedict Reuschling wrote:
>> Author: bcr (doc committer)
>
>> -for i
>> +while true;
>>  do
>
> If this is intended to be an sh scripting example a better way to write
> that is:
>
> while : ;
>
> You can't guarantee that "true" will always be available and do what you
> expect, whereas the ':' operator is a shell builtin.

Isn't `true' shell builtin as well?

  $ type true
  true is a shell builtin



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