From: Frederick Cheung <frederick.cheung@...>
Date: 2008-07-01T18:27:33+09:00
Subject: Re: meaning of %w


On 1 Jul 2008, at 10:22, Junkone wrote:

> On Jul 1, 5:08 am, Ryan Davis <ryand-r...@zenspider.com> wrote:
>> On Jul 1, 2008, at 01:52 , Junkone wrote:
>>
>>> what is the meaning of %w. atlest in my copy of rubydoc, i could not
>>> find the w attribute in sprintf flag characters
>>
>> %w doesn't have to do with sprintf afaik.
>>
>> Maybe you mean this instead:
>>
>> http://www.zenspider.com/Languages/Ruby/QuickRef.html#12
>
> in rails, this is how it create the options for select box.
> <%= select(:rawdata, :symbol, %w{ AUD.USD-IDEALPRO-CASH EUR.GBP-
> IDEALPRO-CASH EUR.JPY-IDEALPRO-CASH EUR.USD-IDEALPRO-CASH GBP.USD-
> IDEALPRO-CASH USD.CAD-IDEALPRO-CASH USD.CHF-IDEALPRO-CASH }) %>
>
> what does the %w signify.

Exactly what the link Ryan posted says. It creates an array by  
splitting the string you give it.

Fred