From: Michael Libby <michael.c.libby@...>
Date: 2008-12-10T23:46:54+09:00
Subject: Re: Displaying long floats without scientific notation

On Wed, Dec 10, 2008 at 8:28 AM, sa 125 <s_ayalon@hotmail.com> wrote:
> Hello -
>
> I need to display the long forms of numbers read from a database table
> without scientific notation.
>
> For example, a number read as 1.5e-6 should be displayed as "0.0000015",
> and so on.
>
> Is there an easy way to do this in ruby, or do I need to write a
> function to do it? I was thinking about using a lot of
> number.to_s.split...

Use a formatted print statement.

printf("%.7f\n", 0.0000015)

You will need to adjust the first parameter to taste.

You can read about string formatting at your command line with: ri
Kernel.sprintf

There is also an alternative syntax, see: ri String.%

-Michael

-- 
Michael C. Libby
www.mikelibby.com