[Rd] Setting LC_CTYPE=en_US.UTF-8 failed

[Duncan Murdoch]

On 06/06/2019 7:28 a.m., Duncan Murdoch wrote:
> On 06/06/2019 6:22 a.m., Tomas Kalibera wrote:
>> On 6/5/19 3:49 AM, Steven Penny wrote:
>>> Using this in my "~/.profile":
>>>
>>>      export LC_ALL=en_US.UTF-8
>>>
>>> Yields this:
>>>
>>>      $ Rscript -e 'print(9)'
>>>      During startup - Warning message:
>>>      Setting LC_CTYPE=en_US.UTF-8 failed
>>>      [1] 9
>>>
>>> This is confusing as the exact same environment works fine with other
>>> languages:
>>>
>>>      $ python3 -c 'print(9)'
>>>      9
>>>
>>>      $ ruby -e 'puts 9'
>>>      9
>>
>> The locale is probably not available on your system, please
>> install/generate it.
> 
> I think Steven is running the Windows build, not a POSIX build, so
> that's not a legal value.  He could try the Cygwin build, but I think it
> has other problems, and isn't supported by R Core.  As far as I know
> there is no Windows locale that fully supports UTF-8.
> 

The Windows name for a UTF-8 locale is supposed to be en_US.65001 (see
<https://docs.microsoft.com/en-us/cpp/c-runtime-library/locale-names-languages-and-country-region-strings?view=vs-2019> 
if it hasn't disappeared by the time you read this).  However, when I 
tried that a few years ago, it didn't work.  Maybe it does now.

Duncan Murdoch