Oh yes, as stated by Preceptor XML::Twig is my choice too.
It tempt you to resolve such simple problems in a oneliner: 
perl -e "use XML::Twig; $t= XML::Twig->new( pretty_print => 'indented'
+,twig_handlers => {'/errors/error/desc'=>sub{print  $_[1]->text,qq(\n
+);},});$t->parsefile($ARGV[0]);" error.xml

[download]
hth
L*
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

In reply to Re: XML Array/Hash Issue by Discipulus
in thread XML Array/Hash Issue by nickt9999

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