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Date: Wed, 7 Jul 2010 14:49:09 -0700
Message-ID: <AANLkTimCpgzZ2lx0nONpvlWK09GCSqWpcKYlqsyQWVIR@mail.gmail.com>
From: Garrett Cooper <yanefbsd@gmail.com>
To: Anonymous <swell.k@gmail.com>
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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
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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