From: "bmunat@..." <bmunat@...>
Date: 2007-07-11T22:19:21+09:00
Subject: Re: Update existing doc with REXML

Hmm, Document#write takes the output stream as an argument... so, I
think you want:

doc.write(f)

Hope that helps,

Ben



On Jul 9, 6:59 am, peri <mtperit...@gmail.com> wrote:
> I have been searching around the forums and the documentation, but I
> do not see any examples/topics on how to open an existing XML document
> and update a value (element's text value, for example) using REXML.
> Is it even possible?  All I have for a workaround is overwriting the
> existing file using document.write.  Am I missing something obvious
> here?
>
> Below is an example I am trying to work with:
> #===========================================
> doc = Document.new File.read('cars.xml')
>
> doc.root.each_element("//vehicle[make='Ford']") do |file_node|
>   file_node.elements['method'].text = "U"
> end
>
> File.open('cars.xml','w') do |f|
>   f.write doc.write
> end