1#!./perl -Tw
2# [perl #33173] shellwords.pl and tainting
3
4use strict;
5use warnings;
6
7BEGIN {
8    if ( $ENV{PERL_CORE} ) {
9        require Config;
10        no warnings 'once';
11        if ($Config::Config{extensions} !~ /\bList\/Util\b/) {
12            print "1..0 # Skip: Scalar::Util was not built\n";
13            exit 0;
14        }
15        if (exists($Config::Config{taint_support}) && not $Config::Config{taint_support}) {
16            print "1..0 # Skip: your perl was built without taint support\n";
17            exit 0;
18        }
19    }
20}
21
22use Text::ParseWords qw(shellwords old_shellwords);
23use Scalar::Util qw(tainted);
24
25print "1..2\n";
26
27print "not " if grep { not tainted($_) } shellwords("$0$^X");
28print "ok 1\n";
29
30print "not " if grep { not tainted($_) } old_shellwords("$0$^X");
31print "ok 2\n";
32