From: Gennady Bystritsky <Gennady.Bystritsky@...>
Date: 2010-04-10T10:33:59+09:00
Subject: Re: global variable in ruby

On Apr 9, 2010, at 6:21 PM, Amishera Amishera wrote:

> Trying to use some global variable
> 
> $buffer = Array.new
>  4
>  5 def save_log(data, file_name)
>  6         puts 'save log called '+file_name
>  7         open(file_name, 'w') { |f| f.write(data) }
>  8 end
>  9
> 10 def get_citations_from_page(data, start_point, end_point)
> 11         citations = get_substring_within_inclusive(data,
> start_point, end_point)
> 12         u_arr = getURLsFromPage('http://www.xxxx.com/', citations)
> 13         u_arr.each {
> 14                 |t|
> 15                 if
> (!beginsWith(t[1],'http://www.xxxx.com//gp/reader'))
> 16                         buffer.push t[0]+'%%%'+t[1]
> 17                 end
> 18         }
> 19 end
> 
> getting error:
> 
> xxxx_citations.rb:16:in `get_citations_from_page': undefined local
> variable or method `buffer' for main:Object (NameError)
>  from xxxx_citations.rb:13:in `each'
>  from xxxx_citations.rb:13:in `get_citations_from_page'
>  from xxxx_citations.rb:26:in `retrieve_citations'
>  from xxxx_citations.rb:46
>  from xxxx_citations.rb:42:in `open'
>  from xxxx_citations.rb:4
> 
> Why? How to solve it?

Maybe because you meant $buffer ? ;-)

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