#!/usr/bin/perl
use warnings;
use strict;

open my $fh, '>', '1.log' or die $!;
my $stdout = *STDOUT;
my $stderr = *STDERR;

*STDOUT = $fh;
*STDERR = $fh;

print "stdout 1\n";
warn "stderr 1\n";

*STDOUT = $stdout;
*STDERR = $stderr;

print "stdout 2\n";
warn "stderr 2\n";


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,