Does the STDERR get closed automatically when I fork?
It's really trivial to test: 
$ perl -wle 'fork; warn $$'
1787 at -e line 1.
1786 at -e line 1.
$

[download]
So, the answer is no.

Also, from perldoc -f fork

File descriptors (and sometimes locks on those descriptors) are shared, while everything else is copied.

In reply to Re: Fork child by JavaFan
in thread Fork child by Anonymous Monk

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