If you jump back to the beginning, just take care not to jump too far, because otherwise you will get the sourcecode of the script as "DATA", e.g. the following script prints its own sourcecode...

#! /usr/bin/perl
seek (DATA,0,0);
print <DATA>;
__DATA__
warn "Just another perl hacker\n";
[download]

Best regards,
perl -e "s>>*F>e=>y)\*martinF)stronat)=>print,print v8.8.8.32.11.32"