Yup, start_tag_handlers is enough, but the flushing has to be done from end_tag_handler
#!/usr/bin/perl --
use strict; use warnings;
use XML::Twig;
my $str = <<'EOF';
<NoTe KunG="FoO" ChOp="SuEy">
<To KunG="FoO">
<Person KunG="FoO">Satan</Person>
</To>
<Beef KunG="FoO"><SaUsAGe KunG="FoO">is Tasty</SaUsAGe></Beef>
</NoTe>
EOF
{
my $t = XML::Twig->new(
pretty_print => 'indented',
force_end_tag_handlers_usage => 1,
start_tag_handlers => {
_all_ => sub {
$_->set_tag( lc $_->tag );
if( $_->has_atts ){
my $atts = $_->atts ;
$_->set_atts ({
map {
lc( $_ ) => $atts->{$_}
} keys %{ $atts }
});
}
return
},
},
end_tag_handlers => { _all_ => sub { $_->flush; return }, },
);
$t->parse($str);
$t->flush();
}
__END__
<note chop="SuEy" kung="FoO">
<to kung="FoO">
<person kung="FoO">Satan</person>
</to>
<beef kung="FoO">
<sausage kung="FoO">is Tasty</sausage>
</beef>
</note>