How about this:
i = 0
while line=file.gets
tab=line.split
c8=tab[7].to_f
i = i + 1
end
puts c8 / i
···
-----Original Message-----
From: list-bounce@example.com [mailto:list-bounce@example.com] On Behalf Of
Marcin Kulisz
Sent: May 1, 2007 3:33 PM
To: ruby-talk ML
Subject: Re: file & split
Tim Hunter wrote:
a) It's "+=" not "=+"
yep it's working better then before 
b) You probably need to convert c8 to a number before you can add it
puts sum += c8.to_i
I've done it in this line "c8=tab[7].to_f" but I still don't know how to
divide sum by amount of rows
eeeh it's a crazy work, and it's a bit late
--
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