From: Phrogz <phrogz@...>
Date: 2007-12-11T12:28:24+09:00
Subject: Re: REXml help - Insert newlines into large xml file

On Dec 10, 6:49 pm, Sean Nakasone <seannakas...@yahoo.com> wrote:
> Hello, I have a large xml file that does not have any newlines in it.  Can
> someone please provide some code to use REXML to simply read in an xml,
> insert newlines after the xml sections or elements, then spit it out to
> stdout.  This way I'd at least be able to open the xml file in an editor
> so I can read what kind of format it has.  I don't know anything about
> REXML so it needs to be a somewhat complete script.  thank you.

irb(main):001:0> require 'rexml/document'

irb(main):002:0> doc = REXML::Document.new( "<root><child><grandkid/></
child></root>" )

irb(main):003:0> doc.write $stdout
<root><child><grandkid/></child></root>=> [<?xml ... ?>, <root> ... </
>]

irb(main):004:0> doc.write $stdout, 0
<root>
  <child>
    <grandkid/>
  </child>
</root>


You can use IO.read("somefile.xml") to read the contents into a single
string.
You can pass a file to the REXML::Document#write method instead of
$stdout, e.g.

File.open( "with_newlines.xml", "w" ){ |file|
  doc.write( file, 0 )
}