From: Saeed Bhuta <saeed.bhuta@...>
Date: 2010-03-24T23:10:54+09:00
Subject: Re: Manipulating an Array Element

Rob Biedenharn wrote:
> On Mar 24, 2010, at 9:28 AM, Saeed Bhuta wrote:
> 
>>>> string manipulation
>>> Provide more details, get more help :)
>>
>>    #puts images
>>
>>    #go through images names to get platform number
>>    images.each { |img|
>>    img.to_s
>>    #extract characters one to four from image name
>>                img[0,4]
> 
> Assuming your problem is here^
> 
> img.to_s does not convert the image to a string (img is a dom element,
> right?)
> 
> Try something like img.to_s[0,4] or img['src'][0,4] (but please look
> in the documentation for Hpricot to see how to get the part you want
> as a string).
> 
> -Rob
> 
>> Posted via http://www.ruby-forum.com/.
>>
> 
> Rob Biedenharn    http://agileconsultingllc.com
> Rob@AgileConsultingLLC.com

Thanks Rob, I did:
platNo = img['src'].to_s
#extract the platform number from the image name
puts platNo[1,1]

And it returns the value I need.

Once again, many thanks.

Saeed
-- 
Posted via http://www.ruby-forum.com/.