From: "List.rb" <list.rb@...>
Date: 2009-02-25T00:53:18+09:00
Subject: Re: Error in While Loop





On Feb 24, 2009, at 5:57 AM, Naresh Ramaswamy <tech4me@in.com> wrote:

> Following is my Ruby Code Wherein I am reading an XML file.
> I am afraid why my loop is not getting incremented for value of i.
> Attached is the XML file for your referance.
>
> ********************************
> require 'rexml/document'
> require 'rio'
> include REXML
>
> $doc = Document.new File.new("script_data.xml")
>
> $TXN = XPath.match($doc, "//TXN[@value]")
>
> $i = 0
>
> def check
>  @a = $TXN.size
>  while $i <= @a #|| $TXN[@i] != 0 do
>      loop_1
>      @b = $TXN[$i].size
>      @j=1
>      while @j <= @b || $TXN[$i][@j] != nil do
>          loop_2
>          @c = $TXN[$i][@j].size
>          @k=1
>          while @k <= @c || $TXN[$i][@j][@k] != nil do
>              loop_3
>              @k +=2;
>          end
>          @j +=2; @k = 1;
>      end
>    $i +=1;
>  end
> end
>
> def loop_1
>  puts $TXN[$i]
>  puts "AT LOOP 1"
> end
>
> def loop_2
>  p $TXN[$i][@j]
>  p "value of i #{$i}, j is #{@j}"
>  puts "AT LOOP 2"
> end
>
> def loop_3
>  puts $TXN[$i][@j][@k]
>  p "value of i #{$i}, j is #{@j}, k is #{@k}"
>  puts "AT LOOP 3"
> end
>
> check
> ****************************************
>
> regards,
> Naresh
>
> Attachments:
> http://www.ruby-forum.com/attachment/3337/script_data.xml
>
> -- 
> Posted via http://www.ruby-forum.com/.
>

Doesn't File.new create a new file?  Cant recall off hand..