The code should be xml_split. 
$ cat f.xml
<?xml version="1.0" encoding="utf-8"?>
<TheRoot>
 <Message>
  <MyNumber>001</MyNumber>
  <Registration>222</Registration>
  <GPS>
   <Year>2009</Year>
  </GPS>
  <LbtSession>
   <Year>2009</Year>
  </LbtSession>
 </Message>
 <Message>
  <MyNumber>887</MyNumber>
  <Registration>333</Registration>
  <Client>None</Client>
  <Type>Position</Type>
 </Message>
</TheRoot>
$ 
$ xml_split -vc Message f.xml
generating main file f-00.xml
generating f-01.xml
generating f-02.xml

$ cat f-00.xml
<?xml version="1.0" encoding="utf-8"?>
<TheRoot>
 <?merge  subdocs = 0 :f-01.xml?>
 <?merge  subdocs = 0 :f-02.xml?>
</TheRoot>
$ 
$ cat f-01.xml
<Message>
  <MyNumber>001</MyNumber>
  <Registration>222</Registration>
  <GPS>
   <Year>2009</Year>
  </GPS>
  <LbtSession>
   <Year>2009</Year>
  </LbtSession>
 </Message>
$ 
$ 
$ cat f-01.xml
<Message>
  <MyNumber>001</MyNumber>
  <Registration>222</Registration>
  <GPS>
   <Year>2009</Year>
  </GPS>
  <LbtSession>
   <Year>2009</Year>
  </LbtSession>
 </Message>
$

[download]
This is my first time using xml_split.

In reply to Re^3: Splitting xml file into multiple files by Anonymous Monk
in thread Splitting xml file into multiple files by xmlsql

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.