From: dblack@...
Date: 2006-08-25T08:52:24+09:00
Subject: Re: Alternative to String#to_i ?

Hi --

On Fri, 25 Aug 2006, Jeremy Lizt wrote:

> Thanks to everyone for the quick response. The Integer suggestion works
> great, but I'll point out one wrinkle that I encountered:
>
> Integer nil # => 0
>
> That was a small surprise. (These zeros keep popping up when you may
> not expect them!) My little conversion method now works fine and looks
> like this:
>
>  def string_to_i(str)
>    if str.nil? then return nil else Integer str end
>  rescue nil
>  end

I can't resist:

   def string_to_i(str)
     Integer(str) rescue nil unless str.nil?
   end

:-)


David

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