8 use lib qw(blib/lib blib/arch);
9 use Scalar::Util qw(tainted);
14 print "not " if tainted(1);
19 print "not " if tainted($var);
22 my $key = (keys %ENV)[0];
26 print "not " unless tainted($var);
29 print "not " unless tainted($ENV{$key});
32 print "not " if @ARGV and not tainted($ARGV[0]);