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cato/gist:882444

Created March 23, 2011 01:12
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gistfile1.rb
#!/usr/bin/env ruby
a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]
a.each do |i|
puts i.to_s
if i % 4 == 0 then
puts ','
end
end
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