how to transform decial point "3.15" to "3,15" comma?

[AsmMan via Digitalmars-d-learn]

On Monday, 15 September 2014 at 23:43:47 UTC, Cassio Butrico 
wrote:
> On Monday, 15 September 2014 at 23:24:13 UTC, AsmMan wrote:
>> On Monday, 15 September 2014 at 23:17:51 UTC, AsmMan wrote:
>>> On Monday, 15 September 2014 at 22:45:50 UTC, Cassio Butrico 
>>> wrote:
>>>> how to transform decial point "3.15" to "3,15" comma?
>>>>
>>>> Hello everyone, I am making a registry of real amounts,
>>>> and need trasformar fractional numbers,
>>>> so print coretamente.
>>>>
>>>> there is some routine that do this?
>>>
>>> Is the , (comma) the system decimal separator? if so, you can 
>>> use C intero and include locale.h header (in D, the 
>>> respective module) call setlocale(LC_NUMERIC, "") function 
>>> and then printf("%g", 3.5) will output (if decimal separator 
>>> is the comma): 3,5
>>>
>>> I haven't tested it in D but I think D's writefln() will 
>>> behave exactly same as C's printf().. but it didn't you're 
>>> free to call C's printf()
>>
>> The code is the following:
>>
>> import std.stdio;
>> import std.c.locale;
>>
>> void main()
>> {
>> 	setlocale(LC_NUMERIC, "");
>> 	writeln(3.5); // 3,5
>> }
>>
> Okay,
>
> Thanks everyone, that was it

you're welcome! :)