Re: What does Emacs on w32 know that grep can't figure out?

[Thierry Volpiatto <thierry.volpiatto@gmail.com>]

Lennart Borgman <lennart.borgman@gmail.com> writes:

> On Sat, Oct 2, 2010 at 12:32 PM, Thierry Volpiatto
> <thierry.volpiatto@gmail.com> wrote:
>> Lennart Borgman <lennart.borgman@gmail.com> writes:
>>
>>> On Sat, Oct 2, 2010 at 9:29 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>>>>> From: Lennart Borgman <lennart.borgman@gmail.com>
>>>>> Date: Sat, 2 Oct 2010 02:33:32 +0200
>>>>> Cc: emacs-devel@gnu.org
>>>>>
>>>>> So where is the problem? Is utf-16 actually used on w32 in many apps?
>>>>> Or is this a left-over in CCleaner?
>>>>
>>>> UTF-16 is used for all the Unicode APIs on Windows.  That's the
>>>> implementation of the wchar_t type on Windows.  In particular, all the
>>>> file names in the NTFS filesystem are actually stored as UTF-16, and
>>>> all the OS databases in memory are stored in UTF-16 format.
>>>>
>>>> So this is not a left-over, this is what Windows uses internally.
>>>
>>>
>>> Thanks. So then the question is why the grep program does not support
>>> it. Is this a policy question, a lack of resources, or something else?
>>>
>>>
>> It seem most modern windows versions come with powershell.
>> Why windows users don't use it as backend for Emacs instead of using
>> external Gnuwin32 programs?
>
>
> Based on your advice I just took the trouble to install powershell. I
> can not see that it addresses the problem with utf-16, but maybe I am
> missing something. Can you please tell me how to search also utf-16
> files with it?

That's just an idea i sent, i personally don't use (or really few
sometimes on other machines) windows systems and i have just a basic
knowledge of all that is related to it and microsoft in general (e.g Powershell).
So i can't help you much here.
Anyway, Eli seem to have tried it and is not convinced.

-- 
A+ Thierry
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