Re^2: Recognizing Perl in text

# Inject 'BEGIN { exit }' at the beginning. ...

But wouldn't that make any gibberish pass with "syntax OK"?

$ echo 'BEGIN { exit }' | cat - perl-5.12.2.tar.gz  >foo
$ perl -c foo 
foo syntax OK
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Didn't know Perl is written in Perl ;)

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Re^3: Recognizing Perl in text by Your Mother (Archbishop) on Jan 06, 2011 at 16:58 UTC
I think you're right! Sorry for that... you could do it without the block but it becomes less "safe" and side-effect free.	[reply]