tree.pl

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig. 22.25: tree.pl
# Using Data::Dumper to print the results of tree-based parsing.

use warnings;
use strict;
use Data::Dumper;
use XML::Parser;

my $xml =<<"DONE";
<letter><contact type = "from"><name>John</name>
   <phone>555-1234</phone></contact>
   <salutation format = "formal">Dear Sir:</salutation>
</letter>
DONE

my $parser = new XML::Parser( Style => 'Tree', ErrorContext => 2 );

my $tree = $parser->parse( $xml );

print( Data::Dumper->Dump( [ $tree ] ) );

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