Changing Encoding system for "Defaults for subprocess I/O"

Changing Encoding system for "Defaults for subprocess I/O"

[dan]

Hi,

When I enter "M-x eshell", the describe-coding-system shows

Defaults for subprocess I/O:
  decoding: U -- utf-8-unix (alias: mule-utf-8-unix)

  encoding: U -- utf-8-unix (alias: mule-utf-8-unix)


However, when I go to "M-x shell", it shows

Defaults for subprocess I/O:
  decoding: - -- undecided-unix (alias: unix)

  encoding: - -- undecided-unix (alias: unix)


Because of above, some international character does not show properly.

Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?

I don't know much about lisp/emacs, so specific example would be much preferable.

Thank you,

Dan.

Re: Changing Encoding system for "Defaults for subprocess I/O"

[dan]

On Sunday, May 24, 2015 at 4:15:37 PM UTC-7, dan wrote:
> Hi,
> 
> When I enter "M-x eshell", the describe-coding-system shows
> 
> Defaults for subprocess I/O:
>   decoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> 
>   encoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> 
> 
> However, when I go to "M-x shell", it shows
> 
> Defaults for subprocess I/O:
>   decoding: - -- undecided-unix (alias: unix)
> 
>   encoding: - -- undecided-unix (alias: unix)
> 
> 
> Because of above, some international character does not show properly.
> 
> Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?
> 
> I don't know much about lisp/emacs, so specific example would be much preferable.
> 
> Thank you,
> 
> Dan.

Also, do you know how to make a change for

"Coding systems for process I/O"?

Or disable it?

Re: Changing Encoding system for "Defaults for subprocess I/O"

[Rusi]

On Monday, May 25, 2015 at 4:54:57 AM UTC+5:30, dan wrote:
> On Sunday, May 24, 2015 at 4:15:37 PM UTC-7, dan wrote:
> > Hi,
> > 
> > When I enter "M-x eshell", the describe-coding-system shows
> > 
> > Defaults for subprocess I/O:
> >   decoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > 
> >   encoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > 
> > 
> > However, when I go to "M-x shell", it shows
> > 
> > Defaults for subprocess I/O:
> >   decoding: - -- undecided-unix (alias: unix)
> > 
> >   encoding: - -- undecided-unix (alias: unix)
> > 
> > 
> > Because of above, some international character does not show properly.
> > 
> > Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?
> > 
> > I don't know much about lisp/emacs, so specific example would be much preferable.
> > 
> > Thank you,
> > 
> > Dan.
> 
> Also, do you know how to make a change for
> 
> "Coding systems for process I/O"?
> 
> Or disable it?

Dunno if this helps but look up (using C-h v) these variables:

coding-system-for-write
coding-system-for-read

which refer to

file-coding-system-alist
process-coding-system-alist
network-coding-system-alist

Re: Changing Encoding system for "Defaults for subprocess I/O"

[Eli Zaretskii]

> Date: Sun, 24 May 2015 16:24:55 -0700 (PDT)
> From: dan <breadncup@gmail.com>
> 
> On Sunday, May 24, 2015 at 4:15:37 PM UTC-7, dan wrote:
> > Hi,
> > 
> > When I enter "M-x eshell", the describe-coding-system shows
> > 
> > Defaults for subprocess I/O:
> >   decoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > 
> >   encoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > 
> > 
> > However, when I go to "M-x shell", it shows
> > 
> > Defaults for subprocess I/O:
> >   decoding: - -- undecided-unix (alias: unix)
> > 
> >   encoding: - -- undecided-unix (alias: unix)
> > 
> > 
> > Because of above, some international character does not show properly.

Which international characters are those, and what program outputs
them?

Also, what is your locale?

> > Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?

Take a look at process-coding-system-alist, which will allow you to
set the defaults as appropriate for specific applications.

> Also, do you know how to make a change for
> 
> "Coding systems for process I/O"?

That's the same question as you asked above, just worded differently.

> Or disable it?

You can't.

Re: Changing Encoding system for "Defaults for subprocess I/O"

[dan]

On Monday, May 25, 2015 at 7:46:19 AM UTC-7, Eli Zaretskii wrote:
> > Date: Sun, 24 May 2015 16:24:55 -0700 (PDT)
> > 
> > On Sunday, May 24, 2015 at 4:15:37 PM UTC-7, dan wrote:
> > > Hi,
> > > 
> > > When I enter "M-x eshell", the describe-coding-system shows
> > > 
> > > Defaults for subprocess I/O:
> > >   decoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > > 
> > >   encoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > > 
> > > 
> > > However, when I go to "M-x shell", it shows
> > > 
> > > Defaults for subprocess I/O:
> > >   decoding: - -- undecided-unix (alias: unix)
> > > 
> > >   encoding: - -- undecided-unix (alias: unix)
> > > 
> > > 
> > > Because of above, some international character does not show properly.
> 
> Which international characters are those, and what program outputs
> them?
> 
> Also, what is your locale?
> 
> > > Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?
> 
> Take a look at process-coding-system-alist, which will allow you to
> set the defaults as appropriate for specific applications.
> 
> > Also, do you know how to make a change for
> > 
> > "Coding systems for process I/O"?
> 
> That's the same question as you asked above, just worded differently.
> 
> > Or disable it?
> 
> You can't.

Thanks for the all comments.

I got to know how to solve this, but I don't know why.

This commands make it work:

(setq process-coding-system-alist (cons '("bash" . (utf-8-nfd . utf-8-nfd)) process-coding-system-alist))

Do you know what the "utf-8-nfd" means there? utf-8 or utf-8-unix does not work.

Re: Changing Encoding system for "Defaults for subprocess I/O"

[dan]

On Monday, May 25, 2015 at 6:00:45 PM UTC-7, dan wrote:
> On Monday, May 25, 2015 at 7:46:19 AM UTC-7, Eli Zaretskii wrote:
> > > Date: Sun, 24 May 2015 16:24:55 -0700 (PDT)
> > > 
> > > On Sunday, May 24, 2015 at 4:15:37 PM UTC-7, dan wrote:
> > > > Hi,
> > > > 
> > > > When I enter "M-x eshell", the describe-coding-system shows
> > > > 
> > > > Defaults for subprocess I/O:
> > > >   decoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > > > 
> > > >   encoding: U -- utf-8-unix (alias: mule-utf-8-unix)
> > > > 
> > > > 
> > > > However, when I go to "M-x shell", it shows
> > > > 
> > > > Defaults for subprocess I/O:
> > > >   decoding: - -- undecided-unix (alias: unix)
> > > > 
> > > >   encoding: - -- undecided-unix (alias: unix)
> > > > 
> > > > 
> > > > Because of above, some international character does not show properly.
> > 
> > Which international characters are those, and what program outputs
> > them?
> > 
> > Also, what is your locale?
> > 
> > > > Do you know how to set the "Defaults for subprocess I/O" for all buffers/shell?
> > 
> > Take a look at process-coding-system-alist, which will allow you to
> > set the defaults as appropriate for specific applications.
> > 
> > > Also, do you know how to make a change for
> > > 
> > > "Coding systems for process I/O"?
> > 
> > That's the same question as you asked above, just worded differently.
> > 
> > > Or disable it?
> > 
> > You can't.
> 
> Thanks for the all comments.
> 
> I got to know how to solve this, but I don't know why.
> 
> This commands make it work:
> 
> (setq process-coding-system-alist (cons '("bash" . (utf-8-nfd . utf-8-nfd)) process-coding-system-alist))
> 
> Do you know what the "utf-8-nfd" means there? utf-8 or utf-8-unix does not work.

After research of it, I got this: 

http://www.emacswiki.org/emacs/CarbonEmacsPackage#toc23

This tells me what is the utf-8 NFD, and why the Korean ( hangul ) was not shown properly in the shell in Emacs.

Thanks,

Re: Changing Encoding system for "Defaults for subprocess I/O"

[Eli Zaretskii]

> Date: Mon, 25 May 2015 18:00:43 -0700 (PDT)
> From: dan <breadncup@gmail.com>
> 
> This commands make it work:
> 
> (setq process-coding-system-alist (cons '("bash" . (utf-8-nfd . utf-8-nfd)) process-coding-system-alist))
> 
> Do you know what the "utf-8-nfd" means there? utf-8 or utf-8-unix does not work.

"M-x describe-coding-system RET" should tell you.