Viewing file:  xpath.pl (1 KB) -rw-r--r--
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#!/usr/bin/perl
# $Id$
use XML::LibXML;
use strict;
use warnings;
my $parser = XML::LibXML->new();
my $xpath = shift @ARGV;
if ( scalar @ARGV ) {
foreach ( @ARGV ) {
my $doc = $parser->parse_file( $_ );
my $result = $doc->find( $xpath );
handle_result( $result );
undef $doc;
}
}
else {
# read from std in
my @doc = <STDIN>;
my $string = join "", @doc;
my $doc = $parser->parse_string( $string );
my $result = $doc->find( $xpath );
exit handle_result( $result );
}
sub handle_result {
my $result = shift;
return 1 unless defined $result;
if ( $result->isa( 'XML::LibXML::NodeList' ) ) {
foreach ( @$result ) {
print $_->toString(1) , "\n";
}
return 0;
}
if ( $result->isa( 'XML::LibXML::Literal' ) ) {
print $result->value , "\n";
return 0;
}
if ( $result->isa( 'XML::LibXML::Boolean' ) ){
print $result->to_literal , "\n";
return 0;
}
return 1;
}
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