in reply to Re^4: __END__ without __BEGIN__?
in thread __END__ without __BEGIN__?

No it doesnt, that's just a shell heredoc. 
in somefile...
bla bla bal
#!perl
execute()
__END__
bla bla bla

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end then... 
> perl -x somefile

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see perlrun.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In Section Seekers of Perl Wisdom