From: Ryan Davis <ryand-ruby@...>
Date: 2010-10-21T03:42:46+09:00
Subject: Re: [Mac OS X] from where is coming __CF_USER_TEXT_ENCODING ?


On Oct 20, 2010, at 11:10 , Une Bévue wrote:

> 
> from a ruby script if i list the ENV hash i get (between others) :
> 
> __CF_USER_TEXT_ENCODING => 0x1F5:0:1
> 
> when the script is ran from a user and :
> 
> __CF_USER_TEXT_ENCODING => 0x0:0:1
> 
> when run via sudo.
> 
> however i have :
> imyt% sudo cat /var/root/.CFUserTextEncoding
> 0:1%
> 
> imyt% cat ~/.CFUserTextEncoding
> 0:1%
> 
> pretty the same.
> 
> could that explain the fact that when running a script via sudo i do
> have to force encoding ie :
>  File.open(MACSOUP_SIGNATURES_FILE,:encoding => "UTF-8")
> 
> and no need for ":encoding => "UTF-8"" when running as user.
> 
> i'm suing :
> ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10]

please don't sue ruby :P

> and notice that in both cases i do have :
> LANG => fr_FR.UTF-8

501 % env | grep CF
__CF_USER_TEXT_ENCODING=0x1F8:0:0
502 % ls -l ~/.CF*
ls: /Users/ryan/.CF*: No such file or directory

I'm set for English env in System Prefs on OSX so I was a bit surprised to see the env var.

"CF" is a prefix that stands for "Core Foundation", aka the bottom layer of cocoa... so you may want to fire up xcode's lovely help system and search around there.