in reply to Sticking output onto the end of your script.

Use Inline::Files: 
use Inline::Files;
open STDOUT, ">";
print "Hello, world\n";

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When you run it, all the output will be below your program: 
use Inline::Files;
open STDOUT, ">";
print "hello, world\n";
__STDOUT__
hello, world

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-- Randal L. Schwartz, Perl hacker
Be sure to read my standard disclaimer if this is a reply.

In Section Seekers of Perl Wisdom