From: Roger Pack <rogerpack2005@...>
Date: 2009-05-08T21:50:50+09:00
Subject: Re: how to find and close opened file descriptor

> And now I am assuming the maximum file no is 1023. Is there any way that
> I can get the maximum file no?

You could run a loop at the beginning of your script which detects it :)

count = 0
all = []
begin
 loop { all << File.open('test','w') }
rescue Exception
 count = all.length
 for file in all do; file.close; end
end
count

But getting back to your original question, another way to close 
descriptors is
GC.each_object(IO) do |io| io.close; end

I guess.  Not totally sure what you mean by "doesnt create file 
descriptors for each inherited object" ?
Thanks.
-=r
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