From: dblack@...
Date: 2007-07-08T00:02:11+09:00
Subject: Re: array and data types

Hi --

On Sat, 7 Jul 2007, zabouth wrote:

> i have looked at all the ruby manual but i cant find no way of doing
> this I am very new to ruby
> so here is my problem
> ok first here is my code
>
> sum = "5:5:5"
> sum = sum.split(":")
> sum = sum.inject {|sum, x| sum + x }
> puts sum
>
> problem is that when you use split it splits the values into strings
> what i need to know is how do i change all the values in the array sum
> eg
> "5","5","5"
> to floating point numbers
> i just cant work it out any help would be much appreciated

Use to #to_f method:

   sum.split(":").inject(0) {|acc, x| acc + x.to_f }


David

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