Well, it looks like we have this more or less exact word in
``tools.memory:commas``, and something very close in ``money:format-money``.
On Fri, Jun 16, 2017 at 4:38 PM, Alexander Ilin <ajs...@yandex.ru> wrote:
> Hello!
>
> Wow, this is way more general than what I came up with:
>
> ```
> : num>grouped-str ( n -- str )
> number>string <reversed> 3 <groups> "," join reverse ;
> ```
>
> Maybe your code should be included in the prettyprinter or somewhere
> similar, next to `number>string`, perhaps?
>
> 17.06.2017, 02:33, "John Benediktsson" <mrj...@gmail.com>:
>
> Note: that word doesn't work properly for negative numbers. This is
> better:
>
> : number>string-with-commas ( str -- str' )
> [
> abs number>string "." split1
> [ reverse 3 <groups> "," join reverse ] dip
> [ "." glue ] when*
> ] [ neg? [ "-" prepend ] when ] bi ;
>
>
>
> On Fri, Jun 16, 2017 at 4:29 PM, John Benediktsson <mrj...@gmail.com>
> wrote:
>
> We don't have that kind of locale support right now, but you could use
> something like:
>
> : number>string-with-commas ( str -- str' )
> number>string "." split1
> [ reverse 3 <groups> "," join reverse ] dip
> [ "." glue ] when* ;
>
>
>
> On Fri, Jun 16, 2017 at 4:18 PM, Alexander Ilin <ajs...@yandex.ru> wrote:
>
> Hello!
>
> Is there a standard way to output a number with comma separators
> grouping the thousands?
>
> ```
> 1,000,000 num>str-grouped
>
> "1,000,000"
> ```
>
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