From: dblack@...
Date: 2006-04-08T22:04:22+09:00
Subject: Re: Ruby string

Hi --

On Sat, 8 Apr 2006, Peter wrote:

> string = "this is a String"
> string.capitalize = "This is a string"
> That works but changes my capital "a String" to lowercase.
>
> I only want to capitalize first letter.
> So I try"
> string[0..0].capitalize
> irb => "T"
> OK
> string[0..0].capitalize!
> irb => "T"
> irb string
> irb => "this is a string"
>
> I am a noob but I don't get that.
> Where is my capitalised first letter.

What you've done is to create a new string, consisting of the single
character 't'.  Then you've done an in-place capitalize on that
string; then you've discarded it :-)

I can't think of a better way to do this than what's already been
posted, though it really does feel like there should be.


David

-- 
David A. Black (dblack@wobblini.net)
Ruby Power and Light, LLC (http://www.rubypowerandlight.com)

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http://www.manning.com/black