Re: Grep Japanese characters

[Eli Zaretskii]

> Date: Thu, 12 Jul 2018 08:02:55 +0900 (JST)
> From: Tak Kunihiro <tkk@misasa.okayama-u.ac.jp>
> Cc: tkk@misasa.okayama-u.ac.jp
> 
> I want to grep Japanese string.  I can do it on Emacs for Mac but
> cannot do it on Emacs for MS Windows.
> 
> I found that I can grep Japanese string using
> c:/msys64/usr/bin/grep.exe on command prompt (outside of Emacs).
> However, I cannot do it using c:/msys64/usr/bin/grep.exe on command
> prompt by M-x shell (inside of Emacs).  I confirm that LC_ALL is set
> to en_US.UTF-8 on both environments.
> 
> Can you give me a hint to grep Japanese string on Emacs for MS
> Windows?

You cannot pass UTF-8 encoded parameters to sub-programs on
MS-Windows.  You can only use the encoding of your system codepage.
Sorry, it's an MS-Windows limitation.