could not find ParserDetails.ini in /usr/lib/perl5/vendor_perl/5.8.3/XML/SAX; also need some advice about XML parsing modules on CPAN

[Ken Wolcott]

Hi;
 I have a Fedora Core 2 full install to which I installedXML::Simple 
manually (ie: download, extract, perl Makefile.PL, make, make test, sudo 
make install).  Some of the tests did not run since I did not have 
Tie::IxHash (?) installed.   The error message (could not find 
ParserDetails.ini in /usr/lib/perl5/vendor_perl/5.8.3/XML/SAX) is 
received when I try to run the enclosed perl program using the enclosed 
data file.  I also have enclosed the output.

Should I install Tie::IxHash?  I would like to have my XML output (after 
values are updated) formatted the same way my XML input was formatted.  
Will that help?

Do I need to upgrade *XML::SAX* 
<http://search.cpan.org/author/MSERGEANT/XML-SAX-0.12/SAX.pm>?

Since I want the initial formatting to be retained (is this possible) 
and I want the XML output to pass strict XML checking, do I need to give 
up on XML::Simple, or did I miss some options that would give me these 
characteristics?  I've been browsing about on CPAN for some while and 
there's quite a bit to research.  I need to implement this quickly though...

The expected size/complexity of the input XML is quite small and 
simple.  I just need the ability to quickly and reliably examine and 
possibly change the values associated with a specified set of XML tags.  
I need to be able to a quickly add or remove XML tags from my list to 
examine/modify.  It looked like XML::Simple fit the bill, but I see that 
the XML output that the closing XML tag is not strictly compliant (as 
"<tag1> value </tag1>" is "correct" while "<tag1> value </>" is not).  I 
need to preserve the XML output in ClearCase that remains in a human 
"readable" form, ie: well-formatted...

Thanks in advance for your comments and advice,
Ken Wolcott
*********************
?xml version="1.0" encoding="UTF-8"?>
<index>
<version>1.0.10.6</version>
<type>acq</type>
<maxhwversion>1</maxhwversion>
<file>acq.img:b0e2699994df482d069d4e9d6e037abe</file>
</index>
*********************
*********************
#!/usr/bin/perl
use strict;
use warnings;
use XML::Simple;
use Data::Dumper;
my $label = "XXXXXXXXXXX"; # sanitized :-)
my $version = substr ($label, 7, (length ($label) - 11));
my $tag;
my $changes = 0;
my $xml_source = "index.xml";
my $hashref = XMLin ($xml_source);
print "contents of hash prior to modification:\n";
print "#######################################\n";
print Dumper ($hashref);
print "#######################################\n";
$tag = "version";
if ($hashref -> {$tag} ne $version) {
   $hashref -> {$tag} = $version;
   $changes++;
}
if ($changes) {
   print "contents of hash after modification:\n";
   print "#######################################\n";
   print Dumper ($hashref);
   print "#######################################\n";
}
*********************
**./xml_simple.pl
could not find ParserDetails.ini in /usr/lib/perl5/vendor_perl/5.8.3/XML/SAX
contents of hash prior to modification:
#######################################
$VAR1 = {
         'version' => 'XXXXXXXXXX',
         'file' => 'file:md5sum',
         'maxhwversion' => '1',
         'type' => 'acq'
       };
#######################################
contents of hash after modification:
#######################################
$VAR1 = {
         'version' => 'XXXXXXXXXXXXXXXXXX',
         'file' => 'file:md5sum',
         'maxhwversion' => '1',
         'type' => 'acq'
       };
#######################################
<opt file="file:md5sum" maxhwversion="1" type="acq" version="XXXXXXXXX" />
*******************
*********************
perl -v
This is perl, v5.8.3 built for i386-linux-thread-multi
*********************
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