Mirod, Here is an example.
In the following example I am checking for a tag named 'Filter' and inside the sub I am trying to read 'Name' attribute of the filter tag. What I need is a way to warn the user that the 'Filter' tag that he/she is looking for is not available in the XML provided.... and

In case the Filter tag is available but not the 'Name' attribute then I need to warn the user about this! 
my $Tree = new XML::Twig (
   TwigHandlers => {
     Filter =>
       sub {
         my ( $filterTwig, $filter ) = @_;
         my $filterName = $filter -> att( 'Name' );
         $filter -> set_att( Name => "$uniqueFilter" );
      }
  }
);
$Tree->safe_parsefile("c:/check.xml");
warn $@ if $@;

[download]
XML
In the following example when <Filter Name="IP"/> is not available Is there a way to get a warning or error? 
<?xml version="1.0" encoding="UTF-8"?>
<Settings Version="1.0">
   <Name>Capture</Name>
   <Buffer Size="16777216"/>
   <Filters Mode="Accept">
      <Filter Name="IP"/>
   </Filters>
</Settings>

[download]

In reply to Re^2: XML::Twig error handling by ramya2005
in thread XML::Twig error handling by ramya2005

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