#!/usr/local/bin/perl -T
use warnings;
use strict;
use Scalar::Util qw( tainted );

print "ARGV: " . ( tainted( @ARGV ) + 0 ) . "\n";
print "ARGV[0]: " . ( tainted( $ARGV[0] ) + 0 ) . "\n" if defined $ARGV[0];

##</code><code>##

ARGV: 0
ARGV[0]: 1