[OS X Emacs] M-x shell and file names with umlauts
Ian Eure
ian at digg.com
Tue Oct 7 14:49:15 EDT 2008
On Oct 6, 2008, at 4:37 PM, David Reitter wrote:
> This discussion has cropped up back in 2005, and now again on
> aquamacs-bugs. Let's solve the mystery.
>
> File names don't appear to be decoded and shown correctly when I do
> M-x shell and then "ls". Interestingly, "ls" just leads to file
> names that are shown as "??"…"ls" must be guessing that the terminal
> only processes ASCII. This bit of communication would go via the
> LANG environment variable, part of a system's locale. If we try to
> set it to something sensible involving UTF-8:
>
> export LANG=de_DE.UTF-8
>
> then, suddenly, "ls" does the right thing! I'm not sure what the
> correct setting for the language bit would be - en_US.UTF-8 works
> just as well.
>
The format is:
lang_COUNTRY.ENCODING
e.g. en_US.UTF-8 is US English encoded in UTF-8.
> Now, the big question is, what is the right thing to do for Emacs on
> the Mac?
> Shouldn't M-x shell set the locale to something sensible, at least
> the LANG variable? Shouldn't it set the process coding system to
> UTF-8??
>
> I'd like to get these things right, and people with experience in
> unix architectures may have answers here.
>
I don't know if Emacs even has the ability to set environment
variables for inferior processes. I think this is the job of your
shell or system init files. I'd suggest adding this to your ~/.profile:
eval `locale | sed 's/^/export /'`
Setting the coding-system for process I/O like you did (C-x RET p) is
a part of setting your language environment. I'd suggest you set it to
UTF-8, which can be accomplished by going to Options -> Language ->
Set Language Environment -> UTF-8.
- Ian
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