svn commit: r209772 - head/usr.bin/getopt
Anonymous
swell.k at gmail.com
Wed Jul 7 17:59:07 UTC 2010
Doug Barton <dougb at 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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