A NUL byte is illegal in filenames on most OSses

And so is the pipe in Windows, yet. 

>perl -wle"open my $fh, '>', 'a|' or die $!"
Invalid argument at -e line 1.

>dir /b a
File Not Found

[download]

It doesn't behave any different from the underlaying system functionality.

So I'm expected to know the underlying function call used for each system and ignore the documentation?

There's actually a documented 'trick' that makes use of NUL characters (if you want to open a file containing trailing whitespace - this predates 3-arg open).

People use my ... if ...; too even though it's documented to be invalid Perl. The solution is to provide a better alternative (state vars and 3-arg open).

Perl core developers may be smart, but there are only a few.

You've been defending the behaviour up until now, yet you now say it's only present because noone's gotten around to fixing it?

Is that even the case, or did they reject a fix?

In reply to Re^2: Why do poisoned null attacks still work ? by ikegami
in thread Why do poisoned null attacks still work ? by pubnoop

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