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Date:      Wed, 7 Jul 2010 14:49:09 -0700
From:      Garrett Cooper <yanefbsd@gmail.com>
To:        Anonymous <swell.k@gmail.com>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, Doug Barton <dougb@freebsd.org>, src-committers@freebsd.org, Benedict Reuschling <bcr@freebsd.org>
Subject:   Re: svn commit: r209772 - head/usr.bin/getopt
Message-ID:  <AANLkTimCpgzZ2lx0nONpvlWK09GCSqWpcKYlqsyQWVIR@mail.gmail.com>
In-Reply-To: <86zky3897m.fsf@gmail.com>
References:  <201007071744.o67Hi9IU059462@svn.freebsd.org> <4C34BDF7.1020201__3943.14767695523$1278525000$gmane$org@FreeBSD.org> <86zky3897m.fsf@gmail.com>

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On Wed, Jul 7, 2010 at 10:58 AM, Anonymous <swell.k@gmail.com> wrote:
> Doug Barton <dougb@FreeBSD.org> writes:
>
>> On 7/7/2010 10:44 AM, Benedict Reuschling wrote:
>>> Author: bcr (doc committer)
>>
>>> -for i
>>> +while true;
>>> =A0do
>>
>> 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?
>
> =A0$ type true
> =A0true is a shell builtin

`true' is the new way. `:' is the old Bourne way as I've been told
(but you're right, it is a built-in now as of at least 7.1 -- not sure
about 6.x though)...
-Garrett



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