There's always print's documentation:

Note that if you're storing FILEHANDLEs in an array, or if you're using any other expression more complex than a scalar variable to retrieve it, you will have to use a block returning the filehandle value instead: 
print { $files[$i] } "stuff\n";
print { $OK ? STDOUT : STDERR } "stuff\n";

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In reply to Re: hash element as file handle by FunkyMonk
in thread hash element as file handle by halfcountplus

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