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

[Thierry Volpiatto]

Thierry Volpiatto <address@hidden> writes:

> Lennart Borgman <address@hidden> writes:
>
>> On Sat, Oct 2, 2010 at 5:56 PM, Lennart Borgman
>> <address@hidden> wrote:
>>> On Sat, Oct 2, 2010 at 5:23 PM, Eli Zaretskii <address@hidden> wrote:
>>>>> From: Thierry Volpiatto <address@hidden>
>>>>> Date: Sat, 02 Oct 2010 17:05:18 +0200
>>>>> Cc: address@hidden
>>>>>
>>>>> > 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.
>>>>
>>>> Looks like the PowerShell cmdlet that's supposed to be equivalent of
>>>> Grep is Select-String.
>>>
>>> Yes, thanks. And that actually works with utf-16.
>>>
>>> So now we have a strange situation.
>>
>>
>> Or maybe not. Looking at the documentation for Select-String here
>>
>>   http://technet.microsoft.com/en-us/library/dd315403.aspx
>>
>> it does not look as it autodetects the coding system in the file.
>>
>> It does not even say it can handle utf-16, or at least I can't find
>> it. Maybe someone who understands this better can see it there?
>
> Can you try to use FINDSTR from command line (it work from eshell) and
> tell me if that work on your utf-16 files?
> (It seem this command is not part of powershell)
>
> I wrote some code that use this command with success on windows (with
> anything).
It is now available on anything-config.el
Use M-x anything-do-grep

No tweak, work out of the box on GNU/Linux and windows as it is.
That's a first shot, feedback welcome.

> That would allow to have a decent grep that work on windows without
> having to install external programs.
>
> Even if that seem not powerfull as grep for regexps, that provide a
> default grep command better than "grep command not found". 

-- 
A+ Thierry
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