From: Thomas Preymesser <thopre@...>
Date: 2008-02-14T18:26:38+09:00
Subject: Re: my noob "numbering lines" programe. How to improve?

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On 13/02/2008, Adam Akhtar <adamtemporary@gmail.com> wrote:
>
>
>   numdigits =3D 1
>   x =3D 1
>   while (x < totalnumlines)
>     x =3D x * 10
>     numdigits =3D numdigits + 1
>   end


you don't need such a loop. this can be replaced with

  numdigits =3D Math.log10(totalnumlines).to_i+1

-Thomas




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