To get the output of STDERR, eval comes along with a neat variable that captures the errors during the evaluation process.

To capture STDOUT, you have two options:

• Log STDOUT from the beginning
• Print it a file. Then open that file and print it to the screen. This is what I hacked up and I am *certain* there is a better way for one of these.

Log from beginning:

BEGIN{
    open(STDOUT,">stdout.log")||die"$!";
}
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#2

#!/usr/bin/perl
use strict;

open(LOG,"log.txt") ||die"$!";
select LOG;

#...do stuff here
close LOG;

select STDOUT; 
# I love ar0n :)
my $thing = do { local @ARGV = "foo.txt"; <> };
print $thing;
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That way you get the stuff printed to the file and to STDOUT. I am sure there is a better way to do it. Monks, enlighten me(us). :)
UPDATE: I just noticed I really messed up on the question. Forgive me.

Tiptoeing up to a Perl hacker.
Dave AKA damian