[PATCH] More robust external diff output handling

[Dmitry Vasiliev]

Wouter van Heyst wrote:
> On Thu, Nov 09, 2006 at 06:19:10PM +0300, Dmitry Vasiliev wrote:
>> On Mandrake 10.1 with non-C locale settings external diff ignores LANG=C 
>> environment variable. I guess such behavior is because of all LC_* 
>> variables are also set and so LANG value is overridden. The attached patch 
>> fixed it by setting also LC_ALL=C variable so the diff output now should be 
>> handled more robustly within non-C environment.
> 
> LANGUAGE and LC_CTYPE get unset, LANG was C. To what exactly does diff
> pay attention to outside of those that LC_ALL is needed?

I guess diff use LC_MESSAGES to determine locale which use for info/error 
messages so alternative strategy could be to unset LC_MESSAGES but I think set 
LC_ALL=C is more robust and portable.

-- 
Dmitry Vasiliev (dima at hlabs.spb.ru)
     http://hlabs.spb.ru