From: Barrie Jarman <hscbaj@...>
Date: 2006-03-01T01:48:38+09:00
Subject: Re: Formatting to "Thousands"

Implemented this into the float class.
Adds check to make sure 0 is handled properly and adds for two decimal 
places (sorry, probably wasn't specific enough before).

def to_finance
  if self != 0
   number = sprintf("%.2f", self)
    number.to_s.reverse.gsub!(/(\d\d\d)(?=\d)(?!\d*\.)/, '\1,').reverse
   else
    sprintf("%.2f", self)
   end
end

"James Edward Gray II" <james@grayproductions.net> wrote in message 
news:47AC1DDA-5D15-461F-AEB2-40B5E23903B1@grayproductions.net...
> On Feb 28, 2006, at 5:08 AM, Barrie Jarman wrote:
>
>> A colleague of mine wishes to format a float to include commas at 
>> thousand
>> values, for example
>> 12345.21 becomes
>> 12,345.21
>>
>> Is there any inbuilt functionality to format this, or are we better of
>> writing something ourselves...
>
> It's not built-in, but it's also pretty easy to roll one:
>
> def commify( number )
>   number.to_s.reverse.gsub!(/(\d\d\d)(?=\d)(?!\d*\.)/, '\1,').reverse
> end
>
> Hope that helps.
>
> James Edward Gray II
>
>
> 



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