#!/usr/bin/perl

use strict;
use warnings;

print do{@ARGV=$0;<>};

##</code><code>##

print do{local(@ARGV,$/)=$0;<>}; # the usual idiom
print do{@ARGV=$0;local$/;<>};
print do{@ARGV=$0;$/='';<>};     # bad
print do{open$_,"<$0";<$_>};
print do{@ARGV=$0;*/;<>};        # wtf
print do{@ARGV=$0;<>};           # wow