1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#!/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;
}
|
