Re: [BUG]builtin echo error doing arguments parsing

[Mikael Magnusson <mikachu@gmail.com>]

On Thu, Feb 22, 2018 at 6:26 PM, Peter Stephenson
<p.stephenson@samsung.com> wrote:
> On Thu, 22 Feb 2018 17:50:48 +0100
> Mikael Magnusson <mikachu@gmail.com> wrote:
>> On Thu, Feb 22, 2018 at 11:32 AM, Peter Stephenson
>> <p.stephenson@samsung.com> wrote:
>> > On Thu, 22 Feb 2018 09:37:11 +0000
>> > Peter Stephenson <p.stephenson@samsung.com> wrote:
>> >> On Wed, 21 Feb 2018 23:23:09 -0800
>> >> wumingxwk@gmail.com wrote:
>> >> > if there is only a '-' as argument，builtin echo won't print it
>> >>
>> >> You might have thought it should at least be turned off in some or most
>> >> of the emulation modes...
>> >
>> > Would look something like this.  Probably a good idea if there aren't
>> > subtleties?
>>
>> If we change it now, people would have to add a version check in
>> addition to their check for zsh to be able to echo things portably (to
>> know if they should add an extra - or not).
>
> The portable option is "--", which has worked for a long time.  Adding -
> would be a zsh kludge, nothing to do with portability.

My point is that if people are already doing "echo - $whatever" when
they detect zsh, and we stop parsing it, their stuff will break
(output their extra dash). I didn't try the patch but currently echo
-- just outputs --, only - terminates options for echo.

-- 
Mikael Magnusson